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Encyclopedia results for Neanderthal interaction with Cro Magnons

Neanderthal interaction with Cro Magnons





Encyclopedia results for Neanderthal interaction with Cro Magnons

  1. Interaction network

    Wikify date April 2012 Context date October 2009 Interaction network is a network of nodes that are connected by features. If the feature is a physical and molecular, the interaction network is molecular interactions usually found in cells. Interaction network has become a research topic in biology in recent years due to rapid progress in high throughput data production. See also Protein protein interaction Interactomics External links http interactomics.org Interactomics.org Biological interaction research information site. http www.bind.ca BIND database Canada http pbildb1.univ lyon1.fr virhostnet VirHostNet Vir us Host protein protein interaction Net works knowledgebase Category Systems biology Category Bioinformatics biology stub biotech stub ar ...   more details



  1. Mobile interaction

    Mobile interaction is the study of interaction between mobile users and computers. Mobile interaction is an aspect of human computer interaction that emerged when computers became small enough to enable mobile usage around 1990 s. Goals Mobile devices , in particular, mobile phone s, PDA s and mobile Digital audio player music player are an essential part of life for billion users. The goal of mobile interaction researchers is to understand the requirements and needs of mobile users. Compared with stationary devices mobile devices have specific, often restricted, input and output requirements. A goal that is often named is to overcome the limitations of mobile devices. However, exploiting the special opportunities of mobile usage can also be seen as a central goal. History One of the first work in the mobile interaction discipline was the concept of the Dynabook by Alan Kay in 1968. However, at that time the necessary hardware to build such system was not available. When the first laptop s were built in the early 1980th they were seen as transportable desktop computers. Mobile interaction became more important when mobile phones and PDAs became more common. In 1998 Chris Johnson organized the first workshop on MobileHCI human computer interaction with mobile devices which focussed on mobile interaction. References Enrico Bertini, Andrea Cal , Tiziana Catarci, Silvia Gabrielli and Stephen Kimani 2005 . Interaction Based Adaptation for Small Screen Devices. In User Modeling, Lecture Notes in Computer Science . Springer Berlin Heidelberg. 978 3 540 27885 6 Matt Jones interaction designer Matthew Jones and Gary Marsden 2006 . Mobile Interaction Design. Wiley & Sons. ISBN 978 0470090893 ... . ISSN 0001 0782 Christof Roduner 2006 . The Mobile Phone as a Universal Interaction Device Are There Limits? In Mobile Interaction with the Real World http www.hcilab.org events mirw2006 pdf mirw2006 roduner.pdf Category Human computer interaction ...   more details



  1. Interaction energy

    Unreferenced date December 2009 In physics , interaction energy is the contribution to the total energy that is caused by an interaction between the objects being considered. The interaction energy usually depends on the relative position of the objects. For example, math Q 1 Q 2 4 pi epsilon 0 Delta r math is the electrostatics electrostatic interaction energy between two objects with charges math Q 1 math , math Q 2 math . Supermolecular interaction energy A straightforward approach for evaluating the interaction energy is to calculate the difference between the energies of isolated objects and their assembly. In the case of two objects, A and B , the interaction energy can be written as math Delta E int E A,B left E A E B right math , where math E A math and math E B math are the energies of the isolated objects monomers , and math E A,B math the energy of their interacting assembly dimer . For larger system, consisting of N objects, this procedure can be generalized to provide a total many body interaction energy math Delta E int E A 1 , A 2 , .., A N sum i 1 N E A i math . By calculating the energies for monomers, dimers, trimers, etc., in an N object system, a complete set of two , three , and up to N body interaction energies can be derived. The supermolecular approach has an important disadvantage in that the final interaction energy is usually much smaller than the total energies from which it is calculated, and therefore contains a much larger relative uncertainty. In the case where energies are derived from quantum chemical calculations using finite atom centered basis functions, basis set superposition error basis set superposition errors can also contribute some degree of artificial stabilisation. See also Energy Force Interaction Perturbation theory quantum mechanics Potential DEFAULTSORT Interaction Energy Category Interaction Category Energy in physics es Energ a de interacci n fr nergie d interaction it Energia di interazione pl Energia oddzia ywania ...   more details



  1. Interaction technique

    Image Foldndrop.png thumb right Fold n Drop, a Crossing based interface crossing based interaction technique for dragging and dropping files between overlapping windows. An interaction technique , user ... free computing speech command . It is a widely used term in human computer interaction . In particular, the term new interaction technique is frequently used to introduce a novel user interface design idea. Definition Although there is no general agreement on the exact meaning of the term interaction technique , the most popular definition is from the computer graphics literature An interaction ... Graphics Principles and Practice , Addison Wesley. ref A more recent variation is An interaction technique ..., an interaction technique involves One or several input devices that capture user input, One ... that the command has been invoked. The user s view From the user s perspective, an interaction ... designer s perspective, an interaction technique is a well defined solution to a specific user interface design problem. Interaction techniques as conceptual ideas can be refined, extended, modified ... recognition . Level of granularity Interaction techniques are usually fine grained entities. For example, a desktop environment is too complex to be an interaction technique, whereas Expos Mac OS ... can be seen as a combination of many interaction techniques, some of which are not necessarily as explicit as GUI widget widgets . Interaction tasks and domain objects An interaction task is the unit ... Instrumental interaction an interaction model for designing post WIMP user interfaces. In Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. ref Interaction techniques are the glue between physical I O devices and interaction tasks or domain objects. ref name mbl ref name dragicevic .... ref Different types of interaction techniques can be used to map a specific device to a specific ..., the more complex the interaction technique. ref name buxton W. Buxton 1986 There s More to Interaction ...   more details



  1. Interaction nets

    Unreferenced date August 2009 Interaction nets are a low level graphical computation paradigm first proposed by Yves Lafont and based on Jean Yves Girard nowiki s nowiki proof net s for linear logic . An interaction net system comprises a set of agents, each with one principal port and zero or more auxiliary ports a set of rules between agents there is at most one rule for every pair of agents and a net on which the rules are to be applied. Compared to traditional term syntax, interaction nets enforce linearity each resource is used exactly once , from which we can derive strong Confluence term rewriting confluence . Thus, they provide a natural language for massive parallelism. They are also at the heart of the efficient and optimal, in Levy s sense, Evaluation strategy evaluator s for lambda calculus available today. External links Assisted drawing in LaTeX cite web last de Falco first Marc title tikz inet. A set of tikz based macros for drawing interaction nets. url http www.ctan.org tex archive help Catalogue entries tikz inet.html See also examples on http www.fauskes.net pgftikzexamples interaction nets . Software cite web last Vila a first Miguel title INblobs. An editor and interpreter for Interaction Nets url http haskell.di.uminho.pt jmvilaca INblobs See also on http hackage.haskell.org cgi bin hackage scripts package INblobs 0.1.1 its package on HackageDB . cite web last de Falco first Marc title INL. Interaction Nets Laboratory url http inl.sf.net DEFAULTSORT Interaction Nets Category Models of computation compu stub ...   more details



  1. Interaction point

    Unreferenced date October 2009 In particle physics , an interaction point IP is the place where particles collide. One differentiates between the nominal IP, which is the design position of the IP, and the real or physics IP, which is the position where the particles actually collide. The real IP is the primary vertex of the particle collision. For fixed target experiments, the IP is the point where beam and target interact. For colliders and collider experiments , it is the place where the beams interact. Experiments particle detector s at particle accelerator s are built around the nominal IPs of the accelerators. Therefore the whole region around the IP the experimental hall is called an interaction region. Particle colliders such as LEP , Hadron Elektron Ring Anlage HERA , Relativistic Heavy Ion Collider RHIC , Tevatron and Large Hadron Collider LHC can host several interaction regions and therefore several experiments taking advantage of the same beam. DEFAULTSORT Interaction Point Category Experimental particle physics ar zh ...   more details



  1. IT Interaction Model

    Orphan date February 2009 The IT interaction model is a holistic view of Management Information Systems in the context of the organization. According to Mark S. Silver , the model addresses the interaction of an information system s features with five elements of the organization. ref Citation last Silver first MS last2 Markus first2 ML last3 Beath first3 CM title The Information Technology Interaction Model A Foundation for the MBA Core Course journal Management Information Systems Quarterly volume 9 issue 3 pages 361 390 year 1995 month September url http www.bnet.fordham.edu itmodel ref Its external environment Its strategy Its structure and culture Its business processes Its IT infrastructure. The model considers the consequences of this interaction for system use, for organizational performance, for the organization s personnel, and for the firm s future flexibility. Moreover, the model relates various aspects of the interaction process to the phases of the development and implementation lifecycles. Tools such as Porter s five forces , value chain analysis and SWOT analysis can be used to analyze a company s strategy. Information flow diagrams can be used to analyze a company s business processes. References Reflist Category Management systems Category Information technology management ...   more details



  1. Intensive interaction

    Intensive Interaction is an approach for teaching communication skills to children and adults who have autism , severe Developmental disability learning difficulties and profound and multiple learning difficulties who are still at early stages of development. The approach focuses on teaching the Fundamentals of Communication the communication concepts and performances that precede speech development ... Interaction was developed during the 1980s by teachers working in schools in long stay hospitals ... enjoyment of the interaction. The natural adult style is to construct the interaction basically ..., rather than directive and driving to an objective. For the developers of Intensive Interaction ... with some, or extensive, social isolation. Thus, Intensive Interaction activities are literally ... dissemination of Intensive Interaction since the late 1980s has been a completely practitioner led initiative. Intensive Interaction is now common practice in special school s and adult services ... and other materials now available and a burgeoning community of Intensive Interaction practitioners. Who is Intensive Interaction for? It is intended that Intensive Interaction will address the needs ... 1998 Interaction in Action Reflections on the Use of Intensive Interaction. London David Fulton. Kellett, M. & Nind, M. 2003 Implementing Intensive Interaction in Schools Guidance for Practitioners ... of Intensive Interaction on the sociability of a man with severe intellectual disabilities ..., D. 1988 Interaction as Curriculum. British Journal of Special Education 15 2 55 57. Nind, M. & Hewett ... learning difficulties through Intensive Interaction. London David Fulton. Nind, M. & Hewett, D. 2001 A Practical Guide to Intensive Interaction Kidderminster British Institute of Learning Disabilities ... with people with severe learning difficulties through Intensive Interaction. London David Fulton ... ld intensiveinteraction Leeds NHS PFT Intensive Interaction Website Category Learning methods ...   more details



  1. Neanderthal 1 (album)

    Unreferenced date November 2006 orphan date November 2009 Infobox Album See Wikipedia WikiProject Albums Name Neanderthal 1 Type Album Artist Springbok Nude Girls Cover Nude Girls Neand1 album cover .jpg Released 1995 Recorded 1995 Genre Rock music Rock Length 46 43 Label Epic Records Epic Producer Theo Crous Reviews This album Neanderthal 1 br 1995 Next album Afterlifesatisfaction br 1997 Neanderthal 1 is the debut album from South Africa n band the Springbok Nude Girls . Released in 1995, it was produced independently and is now available through Epic Records Epic . Track listing Bubblegum On My Boots 4 33 Managing Mula 5 09 Stay 2 56 I Know What I Want 3 49 I Am Your Friend 5 08 Laura 4 28 Show Me Where 6 55 Untold Mysteries 4 56 6 Gun 3 50 Bruce Bleed 4 59 DEFAULTSORT Neanderthal 1 Album Category Springbok Nude Girls albums Category 1995 albums ...   more details



  1. Interaction design

    In design , human computer interaction , and software development , interaction design , often abbreviated .... ref name AboutFace3 cite book title About Face 3 The Essentials of Interaction Design last Cooper ... Like many other design fields interaction design also has an interest in form but its main focus is on behaviour. ref name AboutFace3 rp 1 What clearly marks interaction design as a design field as opposed ... so than focusing on how things are. ref name AboutFace3 rp xviii Interaction design is heavily ... are unequivicaly different.... History The term interaction design was first coined by Bill ... modeling and interaction design ref and Bill Verplank in the mid 1980s. It would be another 10 years ... examples of interaction design e.g. the input device , laptop, handheld and includes interviews with some of its best known practitioners. In 1990, Gillian Crampton Smith established an interaction ... ref In 2001, she helped found the Interaction Design Institute Ivrea , a small institute in Northern Italy dedicated solely to interaction design the institute moved to Milan in October 2005 and merged ... originally involved with IDII have now set up the Copenhagen Institute of Interaction Design CIID . Today, interaction design is taught in List of interaction design programs many schools worldwide ... that alter the position of the design within a particular dimension. Affective interaction design Throughout the process of interaction design, designers must be aware of key aspects in their designs ... Sharp first Helen last2 Rogers first2 Yvonne last3 Preece first3 Jenny title Interaction Design Beyond Human Computer Interaction edition 2nd page 184 pages 181 217 publisher John Wiley & Sons year ..., and McCarthy and Wright s Technology as Experience framework. The Five Dimensions of Interaction Design The dimensions of interaction Design was first introduced in the introduction of the book Designing Interactions . Gillian Crampton Smith stated that there were four dimensions to an interaction ...   more details



  1. Fermi's interaction

    Refimprove date December 2009 In particle physics , Fermi s interaction also known as Fermi coupling , is an old explanation of the weak force , proposed by Enrico Fermi , in which four fermions directly interact with one another at one vertex. ref name Feynman cite book last Feynman first R.P. title Theory of Fundamental Processes year 1962 publisher W.A. Benjamin Chapters 6&7 ref For example, this interaction explains beta decay of a neutron by direct coupling of a neutron two down quark s and an up quark with an electron , antineutrino and a proton two up quarks and a down quark . The interaction could also explain muon decay via a coupling of a muon, electron antineutrino, muon antineutrino and electron. Fermi first introduced this coupling in his description of beta decay in 1933. ref name griffiths cite book last Griffiths first David title Introduction to Elementary Particles year 2009 isbn 978 3 527 40601 2 pages 314 315 ref Feynman diagram Loop Order Tree Feynman diagram s describe the interaction remarkably well. Unfortunately, loop diagrams cannot be calculated reliably because Fermi s interaction is not renormalizable . The solution is to replace the four fermion contact interaction by a more complete theory see UV completion an exchange of a W and Z bosons W or Z boson as explained in the electroweak theory . The electroweak theory is renormalizable. Before the advent of the electroweak theory and the Standard Model , George Sudarshan and Robert Marshak , and also independently Richard Feynman and Murray Gell Mann , were able to determine the correct tensor structure vector geometric vector minus axial vector , nowrap V A of the four fermion interaction. Fermi constant The strength of Fermi s interaction is given by the Fermi coupling constant G sub F sub . The most ... Here g is the coupling constant of the weak interaction , and m sub W sub is the mass of the W boson ... s Interaction Category Particle physics Category Quantum field theory Quantum stub ar ...   more details



  1. Interaction picture

    Quantum mechanics cTopic Formulations In quantum mechanics , the Interaction picture or Dirac picture ... two pictures either the state vector or the operator physics operators carry time dependence, in the interaction ... operators acting at different times, which hold in the interaction picture, don t necessarily hold .... Definition Operators and state vectors in the interaction picture are related by a change of basis ... into the interaction picture, we divide the Schr dinger picture Hamiltonian quantum mechanics Hamiltonian ... interaction picture but in order for the interaction picture to be useful in simplifying the analysis ... A state vector in the interaction picture is defined as ref http www.nyu.edu classes tuckerman stat.mechII lectures lecture 21 node2.html The Interaction Picture , lecture notes from New York University ... state vector in the Schr dinger picture. Operators An operator in the interaction picture is defined ..., time varying electric field. Hamiltonian operator For the operator math H 0 math itself, the interaction ... H 1,S e i H 0,S t hbar math where the interaction picture perturbation Hamiltonian becomes a time dependent Hamiltonian unless math H 1,s ,H 0,s 0 math . It is possible to obtain the interaction picture ... ordered exponential integral. Density matrix The density matrix can be shown to transform to the interaction ... rho S math be the density matrix in the interaction picture and the Schr dinger picture, respectively ... in the interaction picture Time evolution of states Transforming the Schr dinger equation into the interaction ... by math i hbar frac d dt A I t left A I t ,H 0 right . math In the interaction picture the operators ... equation into the interaction picture gives math i hbar frac d dt rho I t left H 1,I t , rho I t right . math Use of interaction picture The purpose of the interaction picture is to shunt all the time ... dependence of the state vectors. The interaction picture is convenient when considering the effect of a small interaction term, H sub 1, S sub , being added to the Hamiltonian of a solved system, H ...   more details



  1. Selene (Cro character)

    Orphan date February 2009 Unreferenced date February 2009 This article refers to the fictional Cro character. For the Greek goddess, see Selene . class infobox style width 25em colspan 2 style text align center Cro character colspan 2 style text align center colspan 2 style font size larger background color c00 color 000 Selene Gender Female Color Purple Eye Color Green Age Unknown First appearance Family Mother Enemies Cro character Cro BR Ogg Cro character Ogg BR Gogg Cro character Gogg BR Bobb Cro character Bobb BR Nandy Cro character Nandy BR Phil Cro character Phil BR Esmeralda Cro character Esmeralda BR Pakka BR etc. Portrayer Ruth Buzzi Selene was a fiction al villain saber tooth tiger from the television series Cro . She was another villain in the show along with the Dire Wolves . Category American animated television series Category Fictional tigers Category Television characters animation char stub ...   more details



  1. 3D interaction

    In computing , 3D interaction is a form of human machine interaction where User computing users are able to move and perform interaction in Three dimensional space 3D space . Both human and machine process ... for interaction can be the real physical space, a virtual reality virtual space representation simulated ... in various other areas such as education, entertainment, and manufacturing. 3D interaction In 3D interaction, users carry out their tasks and perform functions by exchanging information with computer systems in 3D space. It is an intuitive type of interaction because humans interact in three dimensions ... space through interaction techniques and by utilizing interaction devices. 3D interaction techniques ... techniques and interaction devices must be made in order for the system to be usable and effective. Interfaces associated with 3D interaction are called 3D interfaces . Like other types of user interfaces ... with specific functionalities to do so. 3D interaction occurs when physical tools are controlled ... objects in the real world. Texture, sound, and speech can all be used to augment 3D interaction ... interaction occurs. Although it s a natural way for humans to move around in a three dimensional world ... to create 3D interaction. The users must have a way of performing actions in 3D as well. To that effect, special input and output devices have been developed to support this type of interaction. Some, such as the 3D mouse, were developed based on existing devices for 2D interaction. Input ... s and bodysuits allow gestural interaction to occur. These send hand or body position and movement information ... s send tactile feedback or feeling back to the user. 3D interaction techniques 3D interaction ... tasks in three dimensions are classified as Graphical menus Voice commands Gestural interaction Virtual ..., text, making it possible to annotate 3D scenes or 3D objects. See also Interaction technique Interaction design Human computer interaction Cave Automatic Virtual Environment Virtual reality ...   more details



  1. Fundamental interaction

    that elementary particle s interact with one another. An interaction is fundamental when it cannot ... , strong interaction strong nuclear force , weak interaction weak nuclear force and gravitation ... by exchanging boson s. The interaction of any pair of fermions in perturbation theory can then be modeled thus Two fermions go in interaction by boson exchange Two changed fermions go out. The exchange ... or vice versa during such an exchange in units of the reduced Planck s constant . Because an interaction results in fermions attracting and repelling each other, an older term for interaction is force ... , electromagnetism , the weak interaction , and the strong interaction . Their magnitude and behavior ... of different interaction types is seen as desirable. Two cases in point are the unified field ... interaction and the weak interaction into the electroweak interaction see below. Both magnitude ... scheme that is still the subject of ongoing research. center class wikitable Interaction Current ... on the particles and energies involved. ref Long distance behavior Range m Strong interaction Strong Quantum chromodynamics br QCD gluon s 10 sup 38 sup math 1 math br Strong interaction see discussion below 10 sup 15 sup Electromagnetic interaction Electromagnetic Quantum electrodynamics br QED photon s 10 sup 36 sup math frac 1 r 2 math Weak interaction Weak Electroweak interaction Electroweak ... virtual particles gauge bosons , which are the interaction carriers or force mediators. For example, photons mediate the interaction of electric charges , and gluons mediate the interaction of color ... reasons. Gravitation is the only interaction that acts on all particles having mass has an infinite range, like electromagnetism but unlike strong and weak interaction cannot be absorbed, transformed ... glued to the ground and animals can only jump so high. Gravitation was the first interaction ... deviations from general relativity are possible. Electroweak interaction Main Electroweak interaction ...   more details



  1. Interaction hypothesis

    The Interaction hypothesis is a second language acquisition theories theory of second language acquisition which states that the development of language proficiency is promoted by face to face interaction and communication . ref name Johnson1999 cite encyclopedia editor1 last Johnson editor1 first Keith editor2 last Johnson editor2 first Helen title Interaction Hypothesis encyclopedia Encyclopedic Dictionary of Applied Linguistics A Handbook for Language Teaching publisher Blackwell Publishers location ... cite book last Ellis first Rod title Classroom Second Language Development A Study of Classroom Interaction ..., NY isbn 978 0 805 85497 8 ref There are two forms of the Interaction Hypothesis the strong form and the weak form. The strong form is the position that the interaction itself contributes to language development. The weak form is the position that interaction is simply the way that learners find ... Similarly to Stephen Krashen Krashen s input hypothesis , the interaction hypothesis claims that comprehensible ... which interlocutors attempt to overcome. ref name RichardsSchmidt2002 cite encyclopedia title Interaction ... communicative strategies to help the interaction progress. The strategies used when negotiating meaning ... not yet mastered. ref name Ellis1997 The process of interaction may also result in learners ... of the target language of which they are not yet aware. ref name GassSelinker2008 Primacy of interaction Although there are several studies that link interaction with language acquisition, ref For an overview ..., NY isbn 978 0 805 85497 8 ref not all researchers subscribe to idea that interaction is the primary ... on the subject, Larsen Freeman and Long say that interaction is not necessary for language ... ref Gass and Selinker claim that as well as interaction facilitating learning, it may also function ... takes place. ref name GassSelinker2008 In addition, Rod Ellis Ellis notes that interaction is not always ... that the role of interaction in language acquisition is a complex one. ref name Ellis1997 References ...   more details



  1. Parasocial interaction

    File OTVbelweder front.jpg thumb right 200px Various performers are part of the parasocial interaction ... part of the parasocial interaction. Parasocial interaction or para social relationship is a term used ... cited 1956 academic paper, Mass Communication and Para social Interaction Observations on Intimacy ... social interaction Observations on intimacy at a distance volume 19 issue 3 pages 215 229 pmid 13359569 ... and Parasocial Interaction in a Television Situation Comedy publisher Dissertation.com year 2000 isbn 1 58112 105 9 ref Parasocial interaction has become an increasingly common phenomenon during the latter ... are based on illusion of interaction via television or radio rather than actual social interaction ... will often engage in the illusion of one on one interaction with the audience, for example ... relies on parasocial interaction. The talk show is such a popular format because of the actual ... be lacking in the interpersonal relationships of the viewer. Parasocial interaction has been linked ... , 21 187 202 ref In parasocial interaction there is no normal social interaction it is a very one ..., and it is very difficult for it to contact and influence it. Parasocial Interaction on the Internet Though most literature has focused on parasocial interaction as a television and film phenomenon ... of Alabama , published a study titled Scaling the Web A Parasocial Interaction Scale for World ... the web a parasocial Interaction Scale for World Wide Web Sites&ots JhS2Oze0pj&sig 97XNepB8UOWDi0VWUrqqX1SnhaY ref in which he proposed a method for measuring the effects of parasocial interaction ... Interaction PSI scale, developed by Rubin, Perse, and Powell 1985 , and modified the scale to more ... interaction theory could be linked to Internet use. The study concluded, first, that parasocial interaction is not dependent on the presence of a traditional persona on a website data showed ... elements of a website persona and encourage parasocial interaction by the visitor user with that persona ...   more details



  1. Weak interaction

    good article Standard model of particle physics Weak interaction often called the weak force or sometimes the weak nuclear force is one of the four fundamental interaction fundamental forces of nature, alongside the strong interaction strong nuclear force , electromagnetism , and gravitation gravity ... of particle physics the weak interaction is theorised as being caused by the exchange i.e., emission ... interaction. It is termed weak because its typical field strength is several orders of magnitude ... by a weak interaction over time. It has one unique property namely quark flavour changing that does not occur in any other interaction. In addition, it also breaks Parity physics parity symmetry and CP ... interaction which is to say, a force with no range i.e., entirely dependent on physical contact ref ... range. In 1968, the electromagnetic force and the weak interaction were unified, when they were shown to be two aspects of a single force, now termed the Electroweak interaction electro weak force . The theory of the weak interaction can be called Quantum Flavordynamics QFD , in analogy with the terms ... dating possible, as carbon 14 decays through the weak interaction to nitrogen 14 . It can also create ... interaction and some indication of their likelihood. The weak interaction is unique in a number of respects It is the only interaction capable of changing the flavor particle physics flavor of quarks i.e., of changing one type of quark into another . It is the only interaction which violates ... The weak interaction has a coupling constant an indicator of interaction strength of between 10 sup 7 sup and 10 sup 6 sup , compared to the strong interaction s coupling constant of about 1 and the Fine ... ref consequently the weak interaction is weak in terms of strength. ref name physnet The weak interaction ... url http physnet2.pa.msu.edu home modules pdf modules m281.pdf title The Weak Interaction author J. Christman ... around 10 sup 18 sup meters, the weak interaction has a strength of a similar magnitude to the electromagnetic ...   more details



  1. Interaction Styles

    advert date November 2011 Interaction Styles are groupings of the 16 types of the MBTI instrument of psychometrics and Jung ian psychology . The Interaction Styles model was developed by Linda Berens, PhD ... style text align center width 20 colspan 4 Temperament and Interaction Style style background EDDDBB ... 4 Temperaments and Interaction Styles in the MBTI. Development David Keirsey, who had mapped the four ... the Interaction Styles which were implicit in Keirsey s system with both the temperaments and the cognitive ... Responding creating the four Interaction Styles in addition to the four temperaments . This then matched ... s own cooperative and pragmatic categories. The Interaction Styles, however, more closely match ... and Others An Introduction to Interaction Styles Telos Publications, 2001 ISBN 0971214409 ref Directives ... directing Berens calls In Charge interaction style In Charge , and behaves like a Choleric, as the name itself even implies. The reserved directing is called Chart the Course interaction style .... The expressive informing is called Get Things Going interaction style Get Things Going and fits the description of the Sanguine, who is upbeat, enthusiastic and focused on interaction. The reserved informing Behind the Scenes interaction style Behind the Scenes is a calm peacemaker who sees ... version 2.0 of Understanding Yourself and Others An Introduction to Interaction Styles , in which she ... differing roles that people play in face to face interaction with one another in his book Brains ... informative directive factor he had introduced in Portraits of Temperament 1987 . Image Interaction ... and Feeling together . The result is that each of the four interaction styles share one of the 16 ... of behavior, while the interaction styles are the How . class wikitable Temperaments and Interaction Styles Interaction Style NF temperament Catalyst NF NT temperament Theorist NT SJ temperament Stabilizer SJ SP temperament Improviser SP In Charge interaction style In Charge Choleric Envisioner ...   more details



  1. Yukawa interaction

    In particle physics , Yukawa s interaction , named after Hideki Yukawa , is an interaction between a scalar field quantum field theory scalar field math phi math and a Dirac field math Psi math of the type math V approx g bar Psi phi Psi math scalar or math g bar Psi i gamma 5 phi Psi math pseudoscalar . The Yukawa interaction can be used to describe the strong nuclear force between nucleon s which are fermion s , mediated by pion s which are pseudoscalar meson s . The Yukawa interaction is also used in the Standard Model to describe the coupling between the Higgs field and massless quark and lepton fields i.e., the fundamental fermion particles . Through spontaneous symmetry breaking , these fermions acquire a mass proportional to the vacuum expectation value of the Higgs field. The action The action physics action for a meson field interacting with a Dirac field Dirac baryon field is math ... 2 partial mu phi partial mu phi V phi math . Here, math V phi math is a self interaction term. For a free ... in the article on the quartic interaction . The free field Dirac Lagrangian is given by math mathcal .... The Yukawa interaction term is math mathcal L mathrm Yukawa phi, psi g bar psi phi psi math where g ... interaction with Yukawa particle mass &mu , the potential between the two particles, known as the Yukawa ... potential except for the sign and the exponential factor. The sign will make the interaction attractive between all particles the electromagnetic interaction is repulsive for identical particles ... in an attractive potential. The exponential will give the interaction a finite range, so that particles ... phi math is known as the Higgs field . Majorana form It s also possible to have a Yukawa interaction between a scalar and a Majorana field . In fact, the Yukawa interaction involving a scalar and a Dirac spinor can be thought of as a Yukawa interaction involving a scalar with two Majorana spinors of the same ... from a Feynman diagram involving the Yukawa interaction. See also Standard Model References cite book ...   more details



  1. Interaction information

    The interaction information McGill 1954 or co information Bell 2003 is one of several generalizations ... information, the interaction information can be either positive or negative. This confusing property ... science. The Three Variable Case For three variables math X,Y,Z math , the interaction information ... X Z H Y Z H X,Y Z & & H X Z H X Y,Z end matrix math For the three variable case, the interaction .... Interaction information measures the influence of a variable math Z math on the amount of information ... between math X,Y math is due entirely to the influence of a common cause math Z math , the interaction information can be negative as well as positive. Negative interaction information indicates ... math Y,X math , whereas positive interaction information indicates that variable math Z math facilitates or enhances the correlation between math Y,X math . Interaction information is bounded. In the three ... Y Z , I Y Z X , I X Z Y math Example of Negative Interaction Information Negative interaction information seems much more natural than positive interaction information in the sense that such explanatory ..., math I rain dark cloud leq I rain dark math . The result is negative interaction information math I rain dark cloud math . Example of Positive Interaction Information Image Xor interaction.png right The case of positive interaction information seems a bit less natural. A prototypical example ... is positive interaction information math I X Y Z math . It may seem that this example relies on a peculiar ordering of math X,Y,Z math to obtain the positive interaction, but the symmetry of the definition for math I X Y Z math indicates that the same positive interaction information results regardless ... time they are totally dependent obviously , and we have the same positive interaction information ... Case One can recursively define the n dimensional interaction information in terms of the math n 1 math dimensional interaction information. For example, the four dimensional interaction information ...   more details



  1. Configuration interaction

    Electronic structure methods Configuration interaction CI is a post Hartree&ndash Fock linear variational method for solving the nonrelativistic Schr dinger equation within the Born&ndash Oppenheimer approximation for a Quantum chemistry quantum chemical multi electron system. Mathematically, configuration simply describes the linear combination of Slater determinant s used for the wave function. In terms of a specification of orbital occupation for instance, 1s sup 2 sup 2s sup 2 sup 2p sup 1 sup ... , interaction means the mixing interaction of different electronic configurations states . Due to the long CPU time and immense hardware required for CI calculations, the method is limited to relatively small systems. In contrast to the Hartree&ndash Fock method, in order to account for electron correlation , CI uses a variational wave function that is a linear combination of configuration state function s CSFs built from spin orbitals denoted by the superscript SO , math Psi sum I 0 c I Phi I SO c 0 Phi 0 SO c 1 Phi 1 SO ... math where is usually the electronic ground state of the system. If the expansion includes all possible Configuration state function CSF s of the appropriate symmetry, then this is a full configuration interaction procedure which exactly solves the electronic Schr dinger equation within the space spanned by the one particle basis set. The first term in the above expansion is normally the Hartree&ndash Fock determinant. The other CSFs can be characterised by the number ... configuration interaction . MRCI also gives better correlation of the ground state which is important ... and energies. See also Coupled cluster Electron correlation Multireference configuration interaction ... interaction QCI Quantum chemistry Quantum chemistry computer programs References cite book last ... Sherrill first2 Henry F. last2 Schaefer III contribution The Configuration Interaction Method Advances ... Hartree Fock methods de Configuration Interaction es Interacci n de configuraciones fr Interaction ...   more details



  1. Interaction frequency

    Interaction frequency is a sociological concept referring to the total number of social interactions per unit time. Interactions, or what Georg Simmel in his pioneering work called Wechselwirkungen, ref Simmel, Georg 1890 ber Sociale Differenzierung . http www.digbib.org Georg Simmel 1858 Ueber sociale Differenzierung. ref are the basis for society itself, according to Herbert Blumer . Overview Interaction can be either direct or indirect. Interaction is direct, Hugo O. Engelmann explained, when participants exchange roles. It is indirect when roles cannot be exchanged. Face to face conversations, phone calls, and on line chats are direct interactions. TV shows, radio programs, videos and books are forms of indirect interaction. In other words, interaction occurs when one person perceives the behavior of another, whether or not the other is present. ref Engelmann, Hugo O. 1980 Behavior, Interaction, and Social Organization . DeKalb, IL Northern Illinois University. p. 54. ref For dyads in small groups, direct interactions sum to n n 1 2, where n is the size of the population. Indirect interactions equal n n 1 . Indirect interactions, then, are roughly twice as likely as direct interactions. For large populations counting the number of direct interactions is not possible. However, as John Engelmann showed, the number can be estimated by multiplying the total number of miles traveled times the density of the population. ref Engelmann, John 1971 An Interaction Frequency Index and the Kinetic Molecular Theory, in Heuristics 3 May 44 46. ref A somewhat more sensitive estimate could be to multiply miles traveled times the square root of population density. ref Johnson, Warren 1990 ... Behavior. ref Interaction rests, first of all, on the fact that behavior varies in intensity. Individuals .... ref Hypothetically, as interaction frequency increases, interactive behavior becomes more intense ..., a share of violence seems to have shifted, intriguingly, from direct to indirect interaction. ref ...   more details



  1. RKKY interaction

    RKKY stands for Ruderman Kittel Kasuya Yosida and refers to a coupling mechanism of nuclear magnetic moments or localized inner d or f shell electron spins in a metal by means of an interaction through the conduction electrons. The RKKY interaction was originally proposed by M.A. Ruderman and Charles Kittel of the University of California, Berkeley as a means of explaining unusually broad Nuclear magnetic resonance nuclear spin resonance lines that had been observed in natural metallic silver. The theory uses second order perturbation theory to describe an indirect exchange coupling whereby the nuclear spin of one atom interacts with a conduction electron via the hyperfine structure hyperfine interaction , and this conduction electron then interacts with another nuclear spin thus creating a correlation energy between the two nuclear spins. Alternatively, instead of nuclear spins coupling to conduction spins via the hyperfine interaction, another scenario is for inner electron spins to couple to conduction spins via the exchange interaction . The theory is based on Bloch wave functions, and is therefore only applicable to crystalline systems. The derived exchange interaction takes the following form math H mathbf R ij frac mathbf I i cdot mathbf I j 4 frac left Delta k m k m right 2 m 2 pi 3 R ij 4 hbar 2 left 2 k m R ij cos 2 k m R ij sin 2 k m R ij right math where H represents the Molecular Hamiltonian Hamiltonian , math R ij math is the distance between the nuclei i and j, math mathbf I i math is the nuclear spin of atom i, math Delta k m k m math is a term that represents the strength of the hyperfine interaction, math m math is the effective mass solid state physics effective mass of the electrons in the crystal, and math k m math is the wave vector of the conduction electrons. In crystalline materials, the wave vectors of conduction electrons are very close to the Fermi surface . Tadao Kasuya of Nagoya University later proposed that a similar indirect exchange ...   more details



  1. Pi interaction

    In chemistry , effects or interactions are a type of non covalent interaction that involves Pi bond systems . Just like in an electrostatic interaction where a region of negative charge interacts with a positive charge, the electron rich system can interact with a metal cationic or neutral , an anion ... of interactions involve Metal Interactions involves interaction of a metal and the face of a system, the metal can be a cation known as Cation pi interaction cation interactions or neutral Polar interactions involves interaction of a polar molecule and quadrupole moment a system. File Polar pi.svg thumb center Polar interaction between water molecule and benzene Pi stacking Aromatic ... perfluoroarene interaction electron rich benzene ring interacts with electron poor hexafluorobenzene ... interactions interaction between low energy empty orbital acceptor and a high energy filled orbital donor . File Donoracceptor.svg thumb center border Donor acceptor interaction between hexamethylbenzene donor and tetracyanoethylene acceptor Anion interactions interaction of anion with system Cation pi interaction Cation interactions interaction of a cation with a system Metal interactions ... doi 10.1021 om800711g issue 22 ref Another metal interaction directly involved with catalysis involves ... of olefin palladium II .pi. Interaction in the 18 electron complex journal Organometallics volume 2 ... thumb right 150px Interaction between benzene and an anion, X sup sup Anion and aromatic systems typically electron deficient create an interaction that is associated with the repulsive forces ... in the solid state, there is also evidence that the interaction is present in solution. ref cite journal ..., in favorable alignment for catalysis assisted by cation interaction. A great deal of circumstantial ... with cations but the presence of cation interaction in biological system does not rule out the conventional ion pair interaction. In fact there is a good evidence for the existence of both type of interaction ...   more details




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