George Contopoulos

George Contopoulos's AcademicInfluence.com Rankings

George Contopoulos

Physics

#6115

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#8020

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Astronomy

#818

World Rank

#1411

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Physics

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George Contopoulos's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Order and Chaos in Dynamical Astronomy (2002) (238)
Orbits in barred galaxies (1989) (143)
Order and chaos (1994) (127)
Highlights of Astronomy (1974) (119)
Orbits in highly perturbed dynamical systems. I - Periodic orbits (1970) (99)
On the number of isolating integrals in Hamiltonian systems (1978) (98)
Asymptotic curves and escapes in Hamiltonian systems (1990) (96)
Invariant spectra of orbits in dynamical systems (1994) (95)
On the existence of a third integral of motion (1963) (76)
Simple three-dimensional periodic orbits in a galactic-type potential (1985) (75)
How to observe a non-Kerr spacetime using gravitational waves. (2009) (71)
Fractal properties of escape from a two-dimensional potential (1993) (65)
Observable signature of a background deviating from the Kerr metric (2010) (63)
Resonance Cases and Small Divisors in a Third Integral of Motion. I (1963) (62)
Types of escapes in a simple Hamiltonian system (1992) (61)
Chaos in Bohmian quantum mechanics (2006) (61)
Periodic orbits and chaos around two black holes (1990) (60)
A fast method for distinguishing between ordered and chaotic orbits. (1997) (58)
Diffusion and scaling in escapes from two-degrees-of-freedom Hamiltonian systems. (1999) (57)
Inner Lindblad resonance in galaxies: Nonlinear theory. II - Bars (1975) (53)
Stickiness effects in chaos (2010) (50)
Painleve analysis for the mixmaster universe model (1993) (46)
Universal properties of escape in dynamical systems (1996) (46)
Spectra of stretching numbers and helicity angles in dynamical systems (1996) (45)
Stickiness and cantori (1997) (45)
The mixmaster universe model, revisited (1994) (44)
Periodic orbits and chaos around two fixed black holes. II (1991) (43)
Orbits in Highly Perturbed Dynamical Systems. II. Stability of Periodic Orbits (1970) (42)
Nonconvergence of formal integrals: II. Improved estimates for the optimal order of truncation (2004) (41)
Stickiness in Chaos (2008) (41)
Method for distinguishing between ordered and chaotic orbits in four-dimensional maps (1998) (40)
Periodic and "tube" orbits (1965) (40)
Galaxies and chaos (2003) (38)
Periodic orbits, bifurcations, and quantum mechanical eigenfunctions and spectra (1989) (38)
Chaos in Astronomy (2009) (37)
A Classification of the Integrals of Motion. (1963) (37)
Transition spectra of dynamical systems (1997) (37)
Detection of Ordered and Chaotic Motion Using the Dynamical Spectra (1999) (36)
On a post-Galilean transformation appropriate to the post-Newtonian theory of Einstein, Infeld and Hoffmann (1967) (36)
Origin of chaos near critical points of quantum flow. (2009) (33)
Cantori, Islands and Asymptotic Curves in the Stickiness Region (1999) (33)
The Particle Resonance in Spiral Galaxies. Nonlinear Effects (1973) (31)
Comparison of stellar and gasdynamics of a barred galaxy (1989) (31)
Resonance Effects in Spiral Galaxies (1970) (30)
Non-convergence of formal integrals of motion (2003) (29)
Destruction of islands of stability (1999) (29)
“Stickiness” in mappings and dynamical systems (1998) (29)
Nodal points and the transition from ordered to chaotic Bohmian trajectories (2007) (29)
Periodic orbits and escapes in dynamical systems (2012) (28)
3D chaotic diffusion in barred spiral galaxies (2013) (28)
Orbits in a Non-Kerr Dynamical System (2011) (28)
Invariant manifolds and the response of spiral arms in barred galaxies (2008) (28)
Order in de Broglie–Bohm quantum mechanics (2012) (26)
Bifurcations and complex instability in a 4-dimensional symplectic mapping (1988) (26)
Escapes and Recurrence in a Simple Hamiltonian System (2004) (26)
Stellar dynamics of spiral galaxies: nonlinear effects at the 4/1 resonance (1986) (25)
Escape Probabilities in a Hamiltonian with Two Channels of Escape a (1995) (25)
Lyapunov characteristic numbers and the structure of phase-space (1989) (25)
Stickiness Effects in Conservative Systems (2010) (25)
The last remake of the mixmaster universe model (1995) (24)
Chaos and secular evolution of triaxial N-body galactic models due to an imposed central mass (2004) (23)
Universal Properties of Escape a (1995) (23)
Orbital structure in barred galaxies (2007) (23)
Infinite bifurcations, gaps and bubbles in Hamiltonian systems (1983) (22)
WAVES IN ASTROPHYSICS (1995) (22)
Integrals of motion in the elliptic restricted three-body problem. (1967) (22)
Approximations of the 3-particle toda lattice (1987) (21)
Asymptotic orbits in barred spiral galaxies (2010) (20)
The Center of Mass in the Post-Newtonian Approximation of General Relativity (1976) (20)
Periodic orbits and their bifurcations in a 3-D system (1994) (20)
Bifurcations in systems of three degrees of freedom (1986) (19)
The structure of chaos in a potential without escapes (1994) (19)
Resonant systems with three degrees of freedom (1985) (18)
Application of the Prendergast method to a logarithmic potential (1990) (18)
Stellar dynamics of spiral galaxies: self-consistent models (1988) (18)
Bifurcations, GAPS, and stochasticity in barred galaxies (1983) (18)
RESONANT PERIODIC ORBITS. (1968) (17)
Instabilities and Stickiness in a 3D rotating Galactic potential (2012) (17)
Newtonian and relativistic periodic orbits around two fixed black holes (1993) (17)
Structures in the phase space of a four dimensional symplectic map (1996) (17)
Qualitative changes in 3-dimensional dynamical systems (1986) (17)
Chaos in de Broglie - Bohm quantum mechanics and the dynamics of quantum relaxation (2017) (16)
Outer dynamics and escapes in barred galaxies (2006) (16)
Tables of the Third Integral (1966) (16)
Orbits in weak and strong bars (1980) (16)
Ordered and chaotic Bohmian trajectories (2008) (15)
The Structure and Evolution of confined Tori Near a Hamiltonian Hopf bifurcation (2010) (15)
Bohmian trajectories in an entangled two-qubit system (2019) (15)
Chaos in Relativity and Cosmology (1999) (15)
Invariant surfaces and orbital behaviour in dynamical systems of 3 degrees of freedom. II (1982) (15)
The 4∶1 resonance (1981) (14)
Adiabatic invariants and the ''third'' integral. (1966) (14)
Global and local diffusion in the standard map. (2018) (14)
Termination of sequences of bifurcation in 3-dimensional Hamiltonian systems (1983) (14)
BIFURCATION DIAGRAMS OF PERIODIC ORBITS FOR UNBOUND MOLECULAR SYSTEMS : FH2 (1997) (14)
Invariant Spectra of Dynamical Systems a (1995) (14)
Orbits through the ergosphere of a Kerr black hole (1984) (13)
Disappearance of integrals in systems of more than two degrees of freedom (1978) (13)
Dynamics and chaos in the unified scalar field cosmology (2008) (13)
Distribution of periodic orbits and the homoclinic tangle (1996) (13)
Stability and instability in the anisotropic Kepler problem (2005) (13)
Order and Chaos in Self-Consistent Galactic Models (2002) (13)
How far do bars extend (1980) (13)
Bifurcations of triple-periodic orbits (1980) (12)
Inverse feigenbaum bifurcations in hamiltonian systems (1983) (12)
A rotating Staeckel potential (1992) (12)
The "third" Integral in the Restricted Three-Body Problem. (1965) (12)
Chaos and ergodicity in an entangled two-qubit Bohmian system (2020) (12)
The genealogy of periodic orbits in a plane rotating galaxy (1983) (11)
Integrals of motion and resonances in a dipole magnetic field (1975) (11)
Origin of chaos in 3-d Bohmian trajectories (2016) (11)
Origin of chaos near three-dimensional quantum vortices: A general Bohmian theory. (2018) (11)
Non-Linear Effects in Non-Kerr spacetimes (2014) (11)
Analytical description of the structure of chaos (2015) (10)
Chaotic spiral galaxies (2011) (10)
DYNAMICAL SPECTRA OF BARRED GALAXIES (1997) (10)
The "third" Integral in Non-Smooth Potentials. (1964) (10)
Tables of plane galactic orbits (1965) (10)
Recurrence of Order in Chaos (2005) (9)
Analytical invariant manifolds near unstable points and the structure of chaos (2014) (9)
Preference of Trailing Spiral Waves (1971) (9)
Self-consistent spiral galactic models (1991) (9)
Resonance phenomena and the non-applicability of the ''third'' integral. (1967) (9)
Ergodicity and Born's rule in an entangled two-qubit Bohmian system. (2020) (9)
On the Motions of Stars in an Ellipsoidal Stellar System. (1956) (9)
Order and Chaos in Astronomy (2003) (9)
Convergence regions of the Moser normal forms and the structure of chaos (2015) (8)
Recurrence time in the homoclinic tangle (1995) (8)
Analytical forms of chaotic spiral arms (2016) (8)
Characteristic times in the standard map. (2018) (8)
Complex force fields and complex orbits (2000) (8)
The role of chaotic and ordered trajectories in establishing Born’s rule (2021) (8)
Theoretical periodic orbits in 3-dimensional Hamiltonians (1984) (8)
Partial integrability of 3d Bohmian trajectories (2017) (8)
Characteristics of Invariant Curves of Plane Orbits (1968) (8)
Chaos in Bohmian Quantum Mechanics: A Short Review (2020) (7)
Chaos in the case of two fixed black holes (2004) (7)
Wavepacket approach to particle diffraction by thin targets: Quantum trajectories and arrival times (2011) (7)
THE VIRAL THEOREM IN GENERAL RELATIVITY IN THE POST-NEWTONIAN APPROXIMATION. (1963) (7)
Do successive bifurcations in Hamiltonian systems have the same universal ratio? (1981) (6)
Diffusion of Chaotic orbits in barred Spiral Galaxies (2011) (6)
The Development of Nonlinear Dynamics in Astronomy (2001) (6)
Quantum Vortices and Trajectories in Particle Diffraction (2011) (6)
Systems with Escapes (2005) (6)
Order and chaos in spiral galaxies (2009) (6)
Spectra and Lyapunov Numbers in Pulsating Systems a (1995) (6)
Years of Study (2004) (6)
Regular and irregular periodic orbits (1996) (6)
Strongly Perturbed Dynamical Systems (1976) (6)
Short and long period orbits (1987) (6)
Higher order resonances in dynamical systems (1978) (6)
Order and Chaos in Dynamical Systems (2009) (6)
Recent developments in stellar dynamics (1966) (6)
Problems of Stellar Dynamics (1973) (5)
Relativistic Stellar Dynamics (1983) (5)
A Review of the “Third” integral (2020) (5)
Transactions of the International Astronomical Union (1971) (5)
INTEGRABILITY OF THE MIXMASTER UNIVERSE (1994) (5)
On the relative motions of stars in a galaxy (1957) (5)
Escape of stars during the collision of two galaxies (1964) (5)
Dynamical Spectra and the Onset of Chaos (1998) (5)
Integrals of motion in 3D Bohmian trajectories (2017) (5)
Mind the Resonances: Final stages of accretion into bumpy black holes (2013) (4)
The 4:1 resonance in barred galaxies (1988) (4)
Gravitational Theories of Spiral Structure (1970) (4)
The Homoclinic Tangle of A 1:2 Resonance in a 2-D Hamiltonian System (2003) (4)
Integrals of motion in the three-dimensional restricted problem (1967) (4)
Spectra of Dynamical Systems (1999) (4)
Integrals of Motion (1975) (4)
The generation of spiral characteristics (1990) (4)
SPECTRA OF STRETCHING NUMBERS OF ORBITS IN OSCILLATING GALAXIES (1996) (4)
Periodic orbits near the particle resonance in galaxies. (1978) (4)
Infinite bifurcations in the restricted three-body problem (1984) (4)
Order and Chaos in Three‐Dimensional Systems (1995) (4)
Collisionless Stellar Dynamics (1971) (4)
RESEARCH IN THE RESTRICTED THREE-BODY PROBLEM. (1970) (3)
The Structure of Chaos (1994) (3)
Chaos in astronomy : conference 2007 (2009) (3)
An application of the third integral of motion (1962) (3)
Ordered and Chaotic Orbits in Spiral Galaxies (2008) (3)
Integrable and stochastic behaviour in dynamical astronomy (1979) (3)
Resonant normal form and asymptotic normal form behaviour in magnetic bottle Hamiltonians (2015) (3)
Analytical and numerical manifolds in a symplectic 4-D map (2016) (3)
Hydrodynamic simulations of open normal spiral galaxies: OLR, corotation and 4/1 models (1994) (3)
Hydrodynamics in a collapsing gaseous protogalaxy (1991) (3)
Self‐Consistent Models of Spiral Galaxies (1990) (3)
Orbits in the H2O molecule (2001) (3)
Qualitative Characteristics of Dynamical Systems (1988) (3)
Gaseous Vortices in Barred Spiral Galaxies (1995) (3)
Families of Periodic Orbits. (1968) (3)
Ergodicity and Born's rule in an entangled three-qubit Bohmian system. (2021) (3)
Other Applications in Dynamical Astronomy (2002) (3)
Numerical Study of the Phase Space of a four Dimensional Symplectic Map (1999) (3)
Critical cases of 3-dimensional systems (1987) (2)
Galactic dynamics (2011) (2)
Bifurcations and Stability in Three-Dimensional Systems (1985) (2)
Chaotic Motions in The Field of Two Fixed Black Holes (2005) (2)
Bohmian quantum potential and chaos (2022) (2)
Nonuniqueness of families of periodic solutions in a four dimensional mapping (1988) (2)
Crossing of Various Cantori (2000) (2)
Some Applications of a Third Integral of Motion. (1963) (2)
Chaos and ergodicity in entangled non-ideal Bohmian qubits (2022) (2)
M ar 2 01 0 An observable signature of a background deviating from Kerr (2010) (2)
ADDENDUM: Chaos in Bohmian quantum mechanics (2006) (2)
Adventures in Order and Chaos: A Scientific Autobiography (2005) (2)
Ordered and ergodic motions of stars in galaxies (1983) (2)
Precessing ellipses as the building blocks of spiral arms (2021) (2)
Integrals of Motion in Time-periodic Hamiltonian Systems: The Case of the Mathieu Equation (2021) (2)
Topological Methods in Stellar Dynamics (1973) (2)
The Role of Chaos in Barred Galaxies (1996) (2)
Galactic Dynamics and N-Body Simulations (2013) (2)
A dispersion relation for open spiral galaxies (1980) (2)
Nonlinear Self‐consistent Models of Barred Galaxies a (1992) (2)
Classical periodic orbits and quantum mechanical eigenvalues and eigenfunctions (1993) (2)
ORDER AND CHAOS IN 3-D SYSTEMS (1999) (2)
Analytical study of chaos and applications (2016) (1)
Highlights of chaos research (2018) (1)
Noise and Chaos in Galactic Dynamics (1993) (1)
Stellar Dynamics of Barred Spirals (1979) (1)
Order and Chaos in Galaxies (2002) (1)
THE TRANSITION TO CHAOS IN GALACTIC MODELS OF TWO AND THREE DEGREES OF FREEDOM (1985) (1)
Order and chaos in time periodic Hamiltonian systems (2021) (1)
A New Route to Chaos: Generation of Spiral Characteristics (1991) (1)
Orbits and Integrals in Self-Consistent Systems (2002) (1)
Non periodic Orbits of a four dimensional symplectic Map (1996) (1)
Stochasticity in Galactic Models (1987) (1)
The Third Integral in a Self-consistent Galactic Model (2000) (1)
COLLISIONLESS STELLAR DYNAMICS. (1971) (1)
Resonance Phenomena in Spiral Galaxies (1970) (1)
Attractors in Conservative Systems (2006) (1)
Applications of the third integral in the galaxy. (1967) (1)
The four-armed response near the Lindblad resonances in galaxies (1979) (1)
Nonlinear Problems in Stellar Dynamics (1985) (1)
Invariant Spectra of Orbits in Multidimensional Symplectic Maps (1999) (1)
Report of the Extraordinary General Assembly, Poland 1973 (1974) (1)
Nonlinear Phenomena in Spiral Galaxies (1987) (1)
Inner Lindblad resonance in galaxies. Nonlinear theory. III. The response density. (1979) (1)
Periodic Orbits of the Restricted Problem for Various Values of the Mass-Ratio (1974) (1)
The Theory of Spiral Structure, Resonances (1974) (1)
Galaxy Formation: Gas Dynamics Versus Stellar Dynamics (1990) (1)
Invariant manifolds and the spiral arms of barred galaxies (2008) (1)
From One GS of the IAU to the Next... (1998) (1)
Formal integrals of one--dimensional time dependent Hamiltonians (1997) (1)
The past positions of the spiral arms of our Galaxy. (1976) (1)
Distribution of Periodic Orbits in 2-D Hamiltonian Systems (1999) (1)
Resonant Integrable Galactic Models (1988) (1)
International Astronomical Union, Information Bulletin. No._36. (1974) (0)
Born’s rule in multiqubit Bohmian systems (2022) (0)
Orbits in the H(2)O molecule. (2001) (0)
Trapping of Orbits in Barred Galaxies (1982) (0)
Analytical and numerical manifolds in a symplectic 4-D map (2016) (0)
Structure and Dynamics of the Galactic System (Structure et Dynamique du Système Galactique) (1971) (0)
PDFlib PLOP: PDF Linearization, Optimization, Protection Page inserted by evaluation version (2001) (0)
Report of the Executive Committee 1970–1973 (1974) (0)
Integrals of Motion in the Three-Dimensional Restricted Three-Body Problem (1967) (0)
Escapes from Stellar Systems (1988) (0)
Orbital Structure in Barred Galaxies and the Role of Chaos (2008) (0)
New Integrals of Motion and the Orbital History of the Moon (1968) (0)
An observational criterion to look for an inspiral in a non-Kerr spacetime (2009) (0)
S. Plakidis (22 May 1893 - 30 January 1991). (1991) (0)
Bohmian Trajectories in the Scattering Problem (2014) (0)
Angular Dynamical Spectra and their Applications (1999) (0)
Chaotic trajectories in complex Bohmian systems (2022) (0)
D. Kotsakis as a scientist. (1988) (0)
STELLAR ORBITS AND THE STABILITY OF SPIRAL STRUCTURE. (1967) (0)
Reports on astronomy. Parts 1, 2 & 3 (1976) (0)
Periodic orbits in a near Yang-Mills potential (2023) (0)
The Structure of Chaos (A Classification of the Homoclinic Tangles) (2004) (0)
Searching for non-Kerr objects (2011) (0)
Analytical invariant manifolds near unstable points and the structure of chaos (2014) (0)
Reports of Meetings of Commisions (1974) (0)
Is the third integral a function of the Hamiltonian? (1968) (0)
The effective Stability in the restricted Three Body Problem (1996) (0)
The Non-Linear Theory of Spiral Structure (1977) (0)
Order in Chaos (1995) (0)
Chaotic spiral galaxies (2011) (0)
Astrophysics: Dynamical Systems (2009) (0)
Department of Astronomy, University of Athens. Annual report 1978. (1976) (0)
Order and Chaos in General (2002) (0)
Perturbed precessing ellipses as the building blocks of spiral arms in a barred galaxy with two pattern speeds (2022) (0)
A Tribute To Heinz Eichhorn (1999) (0)
Analytical study of the structure of chaos near unstable points (2014) (0)
Welcoming Ceremony Report of the General Assembly (1974) (0)
Astronomical Department, University of Thessaloniki. Annual report 1967. (1970) (0)
Some Recent Developments in the Theory of Spiral Structure (1974) (0)
Reports on astronomy (1976) (0)
3 0 M ay 2 00 9 How to observe a non-Kerr spacetime Theocharis (2009) (0)
Bifurcations in Hamiltonian Dynamical Systems (1985) (0)
Recent Developments in Galactic Dynamics (1971) (0)
CHAOS IN RELATIVITY AND COSMOLOGY G.CONTOPOULOS', (2015) (0)
Chaos in 2-d Bohmian Trajectories (2022) (0)
Interference with Non-Interacting Free Particles and a Special Type of Detector (2022) (0)
Erratum: Resonance Effects in Spiral Galaxies (1970) (0)
The spiral arms of galaxies (2022) (0)
Analytical study of chaos and applications (2016) (0)
Bohmian Chaos in Multinodal Bound States (2022) (0)
Instabilities in systems of three degrees of freedom. (1979) (0)
Orbital structure in N-Body models of barred galaxies (2007) (0)
Periodic orbits and escapes in dynamical systems (2012) (0)
Desiderata for Future Work (1970) (0)
Review of the book 'Physics of Planetary Rings' by A. M. Fridman and N. N. Gorkavyi (Translation by D. ter Haar) (2000) (0)
Integrals of Motion in Time-periodic Hamiltonian Systems: The Case of the Mathieu Equation (2021) (0)
Manifold spirals in barred galaxies with multiple pattern speeds (2019) (0)

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What Schools Are Affiliated With George Contopoulos?

George Contopoulos is affiliated with the following schools:

National and Kapodistrian University of Athens

George Contopoulos's Academic­Influence.com Rankings

Why Is George Contopoulos Influential?

George Contopoulos's Published Works

Published Works

What Schools Are Affiliated With George Contopoulos?

George Contopoulos's AcademicInfluence.com Rankings