solar neutrinos, on the other hand, the matter effect is negligible, and the formalism of oscillations ... neutrinos. The MSW effect can also modify neutrino oscillations in the Earth, and future search for new oscillations and or leptonic CP violation may make use of this property. See also Neutrino oscillations References cite web author G. Brooijmans date 28 July 1998 url http www.fynu.ucl.ac.be librairie theses gustaaf.brooijmans node31.html title Neutrino Oscillations in Matter the MSW ... &nu sub &tau sub Oscillations page 40 publisher Universit catholique de Louvain accessdate 2010 .......56c..14S cite journal author L. Wolfenstein year 1978 title Neutrino oscillations in matter journal ... more details
harmonic motion . In the spring mass system, oscillations occur because, at the statics static ... grows stronger the further the system deviates from equilibrium. Damped and driven oscillations .... This is called damping. Thus, oscillations tend to decay with time unless there is some net .... In this case the oscillation is said to be driven oscillations driven . Some systems can be excited ... an oscillation. Coupled oscillations The harmonic oscillator and the systems it models have .... This leads to a coupling of the oscillations of the individual degrees of freedom. For example, two ... oscillations typically appears very complicated but a more economic, computationally simpler ... have in the classical limit an infinite number of normal modes and their oscillations occur in the form ... Foucault pendulum Helmholtz resonance Helmholtz resonator Oscillations in the Sun helioseismology , stars asteroseismology and Neutron star oscillations . Quantum harmonic oscillator swing seat Playground ... Oscillating gene Segmentation oscillator Human Neural oscillation Insulin release oscillations ... star oscillations Neutron stars Cyclic Model Quantum mechanical Neutrino oscillation s Chemical ... more details
planets through the use of earthquake oscillations. ref name DG Asteroseismology provides the tool .... Oscillations The oscillations studied by asteroseismologists are driven by thermal energy converted ... in the surface layers of some classes of stars. The resulting oscillations are usually studied ... star systems, stellar tides can also have a significant influence on the star s oscillations ... name Unno1989 Unno, W., Osaki, Y., Ando, H., Saio, H., Shibahashi, H., 1989, Nonradial Oscillations ... Dalsgaard . http www.phys.au.dk jcd oscilnotes chap 1.pdf Lecture Notes on Stellar Oscillations ... Dalsgaard . http www.phys.au.dk jcd oscilnotes chap 2.pdf Lecture Notes on Stellar Oscillations ... related field of study focused on the Sun . Oscillations in the Sun are excited by convection in its outer layers, and observing solar like oscillations in other stars is a new and expanding area of asteroseismology ... part of their mission. Microvariability and Oscillations of STars telescope MOST A Canadian ... SONG Stellar Oscillations Network Group SONG http www.helas eu.org European Helio and Asteroseismology ... more details
such oscillations more probable for pilots than for automobile drivers. An attempt to cause the aircraft ... to stabilize the vertical speed because the airspeed also constantly changes. Pilot induced oscillations ... lifting body program. The most dangerous pilot induced oscillations can occur during landing ... elevator starts the cycle over again. While Pilot Induced oscillations often start with fairly ... Induced Oscillations and Human Dynamic Behavior url http hdl.handle.net 2060 19960020960 work NASA ... more details
Neutral B meson oscillations or SubatomicParticle B SubatomicParticle AntiB oscillations is one of the manifestations of the neutral particle oscillation , a fundamental prediction of the Standard Model of particle physics . It is the phenomenon of B meson s changing or oscillating between their matter and antimatter forms before their decay. The strange B meson SubatomicParticle strange B meson can exist as either a bound state of a strange quark strange antiquark and a bottom quark , or a strange quark and bottom antiquark. The oscillations in the neutral B sector are analogous to the phenomena that produces long and short lived neutral kaon s. SubatomicParticle strange B SubatomicParticle strange AntiB mixing was observed by the Collider Detector at Fermilab CDF experiment at Fermilab in 2006 and by LHCb at CERN in 2011. Excess of matter over antimatter Main B factory The Standard Model predicts that regular matter strange B meson SubatomicParticle strange B mesons are slightly favored in these oscillations over their antimatter counterpart, making strange B mesons of especial LHCb Physics goals interest to particle physicists. The observation of the SubatomicParticle B SubatomicParticle AntiB mixing phenomena led physicists to propose the construction of B factories in the early 1990s. They realized that a precise SubatomicParticle B SubatomicParticle AntiB oscillation measure could pin down the unitarity triangle and perhaps explain the baryon asymmetry excess of matter over antimatter in the universe. To this end construction began on two B factories in the late nineties, one at the Stanford Linear Accelerator Center SLAC in California and one at KEK in Japan . These B factories, BaBar Experiment BaBar and Belle Experiment Belle , were set at the Upsilon meson SubatomicParticle Upsilon 4S Resonance particle resonance which is just above the threshold for decay into two ... that the oscillations decayed into matter 1 CP Violation Direct CP violation more often than into antimatter ... more details
Merge to Neural coding discuss Talk Neural coding Merger possibilities date July 2010 In neuroscience , phase of firing code is a neural coding scheme that combines the action potential spike count code with a time reference based on Neural oscillations oscillations . It has been shown that neurons in some cortical sensory areas encode rich naturalistic stimuli in terms of their spike times relative to the phase of ongoing network fluctuations, rather than only in terms of their spike count. ref http pop.cerco.ups tlse.fr fr vers documents thorpe sj 90 91.pdf Spike arrival times A highly efficient coding scheme for neural networks , SJ Thorpe Parallel processing in neural systems, 1990 ref ref name Montemurro Marcelo A. Montemurro, Malte J. Rasch, Yusuke Murayama, Nikos Logothetis Nikos K. Logothetis , Stefano Panzeri, Phase of Firing Coding of Natural Visual Stimuli in Primary Visual Cortex , Current Biology, Volume 18, Issue 5, 11 March 2008, Pages 375 380, ISSN 0960 9822, DOI 10.1016 j.cub.2008.02.023. http www.sciencedirect.com science article B6VRT 4S0GXTD 7 2 1da263ca26fd63019db891492e155167 ref Oscillations reflect local field potential signals. It is often categorized as a temporal code although the time label used for spikes is coarse grained. That is, four discrete values for phase are enough to represent all the information content in this kind of code with respect to the phase of oscillations in low frequencies. Phase of firing code is loosely based on the Place cell Phase precession phase precession phenomena observed in place cells of the hippocampus . Phase code has been shown in visual cortex to involve also high frequency oscillations. ref name Firing sequences Havenith, M. N., S. Yu, J. Biederlack, N H. Chen, W. Singer, D. Nikoli 2011 Synchrony makes neurons fire in sequence and stimulus properties determine who is ahead. Journal of Neuroscience , 31 23 8570 8584. ref Within a cycle of gamma oscillation, each neuron has it own preferred relative f ... more details
Orphan date March 2011 In 2007 an experiment at Gesellschaft f r Schwerionenforschung GSI Darmstadt reported observing Neutrino oscillation Decay oscillations GSI anomaly decay oscillations in the electron capture rates of highly ionized heavy atoms. ref cite journal last1 Litvinov first1 Yu. coauthor et al. year 2007 title Measurement of the and Orbital Electron Capture Decay Rates in Fully Ionized, Hydrogenlike, and Heliumlike Pr140 Ions journal Physical Review Letters volume 99 arxiv 0711.3709 doi 10.1103 PhysRevLett.99.262501 pmid 18233571 bibcode 2007PhRvL..99z2501L issue 26 pages 262501 ref Attempts have been made to relate the results to neutrino oscillations , but so far, this proposal is highly controversial. ref Cite journal last1 Kienert first1 H. coauthors et al. year 2008 title The GSI anomaly journal Journal of Physics Conference Series volume 136 pages 022049 doi 10.1088 1742 6596 136 2 022049 bibcode 2008JPhCS.136b2049K issue 2 ref References reflist cite journal last Walker first Philip M. year 2008 title Nuclear physics A neutrino s wobble? journal Nature journal Nature volume 453 issue 7197 pages 864 5 doi 10.1038 453864a pmid 18548060 bibcode 2008Natur.453..864W cite web url http web.mit.edu redingtn www netadv XperDecRat.html title The Net Advance of Physics VARIABILITY OF NUCLEAR DECAY RATES maintains a collection of research papers on the GSI K Capture Anomaly Category Nuclear physics nuclear stub ... more details
citation style date January 2011 Berend Wilhelm Feddersen born March 26, 1832 in Schleswig, died July 1, 1918 in Leipzig was a German physicist. Biography Feddersen lived from 1858 as a private scholar in Leipzig. In 1859 he succeeded in experiments with the Leyden jar to prove that every single electric spark discharge composed of damped oscillations. He realized that the arise from a LCR circuit coil, capacitor and resistor existing electrical circuit oscillations. Thus he became the co founder of wireless technology . Feddersen was co editor of the Biographical Dictionary and literary and on the history of exact sciences. He was a member of the Saxon Society of Sciences . Works Contributions to the knowledge of the electric spark. Inaugural Dissertation, Kiel 1854th Kiel CF Mohr, 1857. Discharge of the Leyden jar, intermittent, continuous, oscillatory discharge, while the law. Essays ... 1857 1866. Edited by T. Des Coudres. With a portrait of the author in photogravure and 3 lithographic plates. Leipzig W. Engelmann, 1908. Ostwald s Classics of the exact sciences. No 166 The discovery of electrical waves. Leipzig 1909th See also Heinrich Hertz Invention of radio Berend Wilhelm Feddersen, Wikipedia in German de Berend Wilhelm Feddersen Further reading Henke, Martin Fast acting spark in a fast mirror Berend Wilhelm Feddersen 1832 1918 and the analysis of the electrical oscillations. Hamburg Print on Demand, 2000. References Biographical encyclopedia of German speaking scientists ed. Dietrich von Engelhardt. Munich, 2003. Saur ISBN 3 598 11629 2. Herder Lexicon scientists. Freiburg Herder, 1979. ISBN 3 451 18031 6. Persondata NAME ALTERNATIVE NAMES SHORT DESCRIPTION DATE OF BIRTH March 26, 1832 PLACE OF BIRTH DATE OF DEATH July 1, 1918 PLACE OF DEATH Category 1832 births Category 1918 deaths Category German physicists de Berend Wilhelm Feddersen ru , sv Wilhelm Feddersen ... more details
unreferenced date December 2009 Orphan date December 2009 A transient X ray source first discovered in 1996 by the Italian Dutch BeppoSAX satellite, SAX J1808.4 3658 revealed X ray pulsations at the 401 Hz neutron star spin frequency when it was observed during a subsequent outburst in 1998 by NASA s Rossi X ray Timing Explorer RXTE satellite. The neutron star is orbited by a brown dwarf binary companion with a likely mass of 0.05 solar masses, every 2.01 hours. X ray burster X ray burst oscillations and quasi periodic oscillations in addition to coherent X ray pulsations have been seen from SAX J1808.4 3658, making it a Rosetta stone for interpretation of the timing behavior of low mass X ray binary low mass X ray binaries . These accreting millisecond X ray pulsar s are thought to be the evolutionary progenitors of recycled radio millisecond pulsar s. A total of thirteen accreting millisecond X ray pulsars have been discovered as of January 2011. Three of them are Intermittent millisecond X ray pulsars HETE J1900.1 2455, Aql X 1 and SAX J1748.9 2021 , i.e. they emit pulsations sporadically during the outburst. DEFAULTSORT Sax J1808.4 3658 Category Accreting millisecond pulsars Var star stub pt SAX J1808.4 3658 ... more details
multiple issues confusing July 2009 context July 2009 expert July 2009 In Introduction to quantum mechanics quantum mechanics , macroscopic quantum self trapping is a phenomenon occurring in the Phase matter state of matter called the Bose Einstein condensate between two superconductors linked by a non conducting barrier known as a Josephson effect Josephson junction . While the Quantum tunneling tunneling of a particle through classically forbidden barriers can be described by the particle s wave function , the wave function is merely a probability of tunneling. Although various factors can increase or decrease the probability of tunneling, one can not be certain that tunneling will never occur. When two condensates are placed in a double potential well and the phase and population differences are such that the system is in Mechanical equilibrium equilibrium , the population difference will remain fixed. This is not to say that tunneling does not occur rather, in the event that a particle tunnels through the barrier, another particle tunnels in the opposite direction. Because the identity of individual particles is lost in that case, no tunneling can be observed, and the system is considered to remain at Rest physics rest . External links http arxiv.org abs cond mat 9706220 Coherent oscillations between two weakly coupled Bose Einstein Condensates Josephson effects, oscillations, and macroscopic quantum self trapping Category Quantum mechanics quantum stub ... more details
Electron wake is the disturbance left after a high energy charged particle passes through condensed matter or plasma. Ions passing through can introduce periodic oscillations in the crystal lattice or plasma wave with the characteristic frequency of the crystal or plasma frequency . Interactions of the field created by these oscillations with the charged particle field alternate from constructive interference to destructive interference , producing alternating waves of electric field and displacement. The frequency of the wake field is determined by the nature of the penetrated matter, and the period of the wake field is directly proportional to the speed of the incoming charged particle. The amplitude of the first wake wave is the most important, as it produces a braking force on the charged particle, eventually slowing it down. Wake fields also can capture and guide light ions or positrons in the direction perpendicular to the wake. The larger the speed of the original charged particle, the larger the angle between the initial particle s velocity and the captured ion s velocity. References No footnotes date July 2009 http encyclopedia2.thefreedictionary.com Electron wake Encyclopedia article on the electron wake http ieeexplore.ieee.org iel5 4439904 4439905 04440675.pdf On the possibility of accelerating positron on an electron wake at saber See also Coulomb explosion Charged particle beam Linear particle accelerator Wake fields Wake fields Plasma acceleration Bremsstrahlung List of plasma physics articles DEFAULTSORT Electron Wake Category Atomic physics Category Plasma physics Category Scattering Category Accelerator physics physics stub ... more details
can generate oscillations oscillatory activity in many ways, driven either by mechanisms localized within individual neurons or by interactions between neurons. In individual neurons, oscillations can appear either as oscillations in membrane potential or as rhythmic patterns of action potentials ... scale macroscopic oscillations, which can be observed in the electroencephalography electroencephalogram ... between neurons can give rise to oscillations at a different frequency than the firing frequency of individual neurons. A well known example of macroscopic neural oscillations is alpha wave alpha activity . Neural oscillations were observed by researchers as early as Hans Berger , but their functional role is still not fully understood. The possible roles of neural oscillations include neural ... how oscillations are generated and what their roles are. Oscillatory activity in the brain is widely ... role of neural oscillations a unified interpretation, however, is still lacking. Image SimulationNeuralOscillations.png thumb right 400px Simulation of neural oscillations at 10 Hertz Hz . Upper panel ... oscillations that can be measured outside the scalp. TOC limit limit 3 Overview Neural oscillations ... trains , local field potentials and large scale oscillations which can be measured by electroencephalography . In general, oscillations can be characterized by their frequency , amplitude and Phase ... analysis . In large scale oscillations, amplitude changes are considered to result from changes in synchronization ... can synchronize. Neural oscillations and synchronization have been linked to many cognitive ... Rev Neurosci volume 6 pages 285&ndash 296 year 2005 pmid 15803160 issue 4 ref Neural oscillations have ... 3 pmid 13480240 issue 4 ref Consequently, neural oscillations have been linked to cognitive states ... 4 ref Although neural oscillations in human brain activity are mostly investigated using EEG recordings ... can also be observed in the form of subthreshold membrane potential oscillations i.e. in the absence ... more details
oscillations on different time scales are hypothesized, although the causes may be unknown. They include ... Anomalies in oscillations sometimes occur when they coincide, as in the Arctic dipole anomaly a combination of the Arctic and North Atlantic oscillations and the longer term Younger Dryas , a sudden ... Earth s climate oscillations and astronomical factors barycenter changes, solar variation , cosmic ... paleoclimatological natural oscillations may be masked by significant volcanic eruption ... oscillations journal Journal of Atmospheric and Solar Terrestrial Physics date May 15, 2010 volume ... title Scafetta on climate oscillations url http judithcurry.com 2011 04 14 scafetta on climate oscillations ... Extreme phases of short term climate oscillations such as ENSO can result in characteristic patterns ... in the form of heat wave s and cold wave s. Shorter term climate oscillations typically do not directly ... trends such as recent global warming and oscillations can be cumulative to global temperature ..., occurring at rates that do not coincide with known climate oscillations. The extinction of many ... oscillations. See also 100,000 year problem Climate pattern Collapse of civilization Historical ... Oscillations El Ni o s Extended Family An Introduction to the Cyclic Patterns that Determine Global ... Earth Changes Gallery Climate Oscillations Michael Wells Mandeville http www.ncpa.org ..., 2006 http www.usgcrp.gov usgcrp seminars 000320FO.html Natural Climate Oscillations of Short Duration ... NASA Climate Website climate oscillations Category Atmospheric chemistry Category Atmospheric dynamics ... more details
Wiktionary Longitudinal may refer to Longitudinal engine , an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, front to back Longitudinal mode , a particular standing wave pattern of a resonant cavity formed by waves confined in the cavity Longitudinal redundancy check , in telecommunication, a form of redundancy check that is applied independently to each of a parallel group of bit streams. Longitudinal study , a research study that involves repeated observations of the same items over long periods of time often many decades Longitudinal voltage , in telecommunication, a voltage induced or appearing along the length of a transmission medium Longitudinal wave , a wave with oscillations or vibrations along or parallel to their direction of travel Longitudinal longitudinally are also anatomical terms of location . See also Longitude Transversality disambiguation disambig de Longitudinal ... more details
The interferometric visibility also known as interference visibility or fringe visibility or just visibility quantifies the contrast of Interference wave propagation interference in any system which has wave like properties, such as optics , quantum mechanics , water waves, or electrical signals. Generally, two or more waves are combined and as the phase between them is changed e.g. in an interferometer the power physics power or intensity physics intensity probability or population in quantum mechanics of the resulting wave oscillates forming an interference pattern . The ratio of the size or amplitude of these oscillations to the sum of the powers of the individual waves is defined as the visibility. Visibility in optics In linear optical interferometer s like the Mach Zehnder interferometer , Michelson interferometer , and Sagnac interferometer interference manifests itself as oscillations in the outgoing intensity, also called fringes . Under these circumstances, the interferometric visibility is also known as the Michelson visibility ref http scienceworld.wolfram.com physics FringeVisibility.html ref or the fringe visibility. For this type of interference, the sum of the intensities or powers of the two interfering waves equals the average of the fringes. It follows that the visibility can be written as, math text Visibility text real frac text amplitude text average . math This can also be rewritten as math text Visibility text real frac max min max min , math where max is the maximum of the oscillations and min the minimum of the oscillations. If the two optical fields are ideally monochromatic consist of only single wavelength point sources then the predicted visibility will be math text Visibility text ideal frac 2 sqrt I 1I 2 I 1 I 2 , math where math I 1 math and math I 2 math indicates the intensity of the respective wave. Any dissimilarity between the optical fields will decrease the visibility from the ideal. In this sense, the visibility is a measure ... more details
Unreferenced stub auto yes date December 2009 In particle physics the semileptonic decay of a hadron refers to a decay through the weak interaction in which one lepton and the corresponding neutrino is produced in addition to one or more hadron s. An example of a semileptonic decay is SubatomicParticle Kaon0 &rarr SubatomicParticle Electron SubatomicParticle Electron antineutrino SubatomicParticle Pion This is to be contrasted with purely hadronic decays, such as SubatomicParticle Kaon0 SubatomicParticle Pion SubatomicParticle Pion , which are also mediated by the weak force. Semileptonic decays of neutral kaon s have been used to study kaon Oscillation kaon oscillations . See also Kaon Pion CP violation CPT symmetry DEFAULTSORT Semileptonic Decay Category Particle physics Category Electroweak theory hu R szben leptonikus boml s Particle stub ... more details
The Telescopio Carlos S nchez is a 1.52 m Dall Kirkham type infrared telescope with an equatorial mount and an f 13.8 Cassegrain focus. It is located at Observatorio del Teide on Tenerife , and is operated by the Instituto de Astrof sica de Canarias . It was built in 1971 by the United Kingdom and has been used for a wide range of infrared observational programmes, from large scale Galactic Centre mapping to stellar oscillations. The name of the telescope was adopted in honour of Prof. Carlos S nchez Magro, Astrophysics Professor at the University of La Laguna. External links http www.iac.es telescopes tcs tcseng.htm Carlos S nchez Telescope webpage See also List of largest optical reflecting telescopes Category Telescopes observatory stub ... more details
According to the neural binding hypothesis, neuron s within neuronal assemblies fire in synchronization synchrony to link different features of neuronal representations together. ref cite journal author Ward LM title Synchronous neural oscillations and cognitive processes journal Trends Cogn. Sci. volume 7 issue 12 pages 553 9 year 2003 month December pmid 14643372 doi url ref These features can include, shape, motion, color, depth, and other aspects of perception. Neural oscillation s have been suggested as the mechanism of binding. See also Binding problem Recurrent thalamo cortical resonance References Reflist Category Neural coding Neuroscience stub ... more details
wiktionary bao Bao may refer to Baozi , a Chinese steamed bun Bao mancala game , a mancala game from East Africa Bao Xishun , the world s tallest living man Bao Zheng , a Chinese judge of Song China Bao King of Fighters , the King of Fighters character Stir frying Bao technique , A Chinese stir frying technique b nh bao , a Vietnamese dumpling with pork meat inside, variated from the Chinese dumpling Baozi barium oxide BAO stands for Baryon Acoustic Oscillations , in physical cosmology Bao surname , a common pronunciation for some Chinese surnames, such as and See also BAO disambiguation disambig de Bao pt Bao ... more details
otheruses4 the aircraft flight control railcar yaw dampers Yaw damper railroad A Yaw angle yaw damper is a device used on many aircraft usually jets and turboprops to damp reduce the rolling and yawing oscillations due to Dutch roll mode. ref http www.boeing 727.com Data systems infoyawdampers.html Boeing 727 Yaw Damper ref It involves yaw rate sensors and a processor that provides a signal to an actuator connected to the rudder. The use of the yaw damper helps to provide a better ride for passengers, and on some aircraft is a required piece of equipment to ensure that the aircraft stability remains within certification values. See also Flight dynamics References reflist Aircraft components aviation lists Category Aircraft controls da Yaw damper de Gierd mpfer it Smorzatore d imbardata pt Yaw damper ... more details
Evoked activity is brain activity that is the result of a task, sensory input or motor output. It is opposed to spontaneous activity spontaneous brain activity during the absence of any explicit task. Most experimental studies in neuroscience investigate brain functioning by administering a task or stimulus and measure the resulting changes in neuronal activity and behavior. In EEG research, evoked activity or evoked response evoked responses specifically refers to activity that is phase locked to the stimulus onset and is opposed to induced activity , which is a stimulus related change in the amplitude of neural oscillations oscillatory activity . See also spontaneous activity evoked potential ongoing brain activity evoked field Category Neuroscience ... more details
A diurnal cycle is any pattern that recurs every 24 hours as a result of one full rotation of the Earth . ref http en.mimi.hu meteorology diurnal cycle.html ref In climatology , the diurnal cycle is one of the most basic forms of climate pattern s. The most familiar such pattern is the diurnal temperature variation . Such a cycle may be approximately sinusoidal , or include components of a Truncated distribution Definition truncated sinusoid due to the sun s rising and setting . Practical Example In telecommunications, the daily temperature cycle from the sun warming the earth causes a diurnal sinusoidal phase shift as the fiber optics or wire cabling expands and contracts. See also Circadian rhythm Diel vertical migration References Reflist Climate oscillations Category Climate patterns climate stub de Tagesgang nl Dagelijkse gang ... more details
Vibration refers to mechanical oscillations about an equilibrium point. Vibrations or The Vibrations may also refer to The Vibrations , an African American soul vocal group from Los Angeles, California, United states Vibrations film Vibrations film , a 1996 film directed and written by Michael Paseornek Vibrations Milt Jackson album Vibrations Milt Jackson album , a 1964 album by vibraphonist Milt Jackson Vibrations The Three Sounds album Vibrations The Three Sounds album , a 1966 album by the jazz group The Three Sounds Vibrations Roy Ayers album Vibrations Roy Ayers album , a 1976 album Roy Ayers album disambig ... more details
. In digital circuits, parasitic oscillations may only occur on particular logic transitions and may ... is placed close to a loudspeaker, parasitic oscillations may occur. This is caused by positive feedback ... input. See Audio feedback . Conditions for parasitic oscillations Feedback control theory developed ... Bode plots, a design engineer checks whether there is a frequency where both conditions for oscillations are met the phase is zero positive feedback and the loop gain is 1 or greater. When parasitic oscillations ... more details
of hidden oscillations are internal nested limit cycles in two dimensional systems. Here hidden oscillations ... s sixteenth problem Hilbert s 16th problem . Other examples of hidden oscillations are counterexamples ... for Searching for Hidden Oscillations in the Aizerman and Kalman Problems journal Doklady Mathematics ... Hidden Oscillations in Nonlinear Systems. The Aizerman and Kalman Conjectures and Chua s Circuits journal ... url http www.math.spbu.ru user nk PDF 2011 TiSU Hidden oscillations attractors Aizerman Kalman conjectures.pdf ... more details
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