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Year Citation  Score
2019 Harsoula M, Karamanos K, Contopoulos G. Characteristic times in the standard map. Physical Review. E. 99: 032203. PMID 30999408 DOI: 10.1103/PhysRevE.99.032203  1
2018 Tzemos AC, Efthymiopoulos C, Contopoulos G. Origin of chaos near three-dimensional quantum vortices: A general Bohmian theory. Physical Review. E. 97: 042201. PMID 29758605 DOI: 10.1103/PhysRevE.97.042201  0.01
2018 Harsoula M, Contopoulos G. Global and local diffusion in the standard map. Physical Review. E. 97: 022215. PMID 29548074 DOI: 10.1103/PhysRevE.97.022215  1
2009 Apostolatos TA, Lukes-Gerakopoulos G, Contopoulos G. How to observe a non-Kerr spacetime using gravitational waves. Physical Review Letters. 103: 111101. PMID 19792360 DOI: 10.1103/PhysRevLett.103.111101  0.01
2005 Contopoulos G, Harsoula M. Systems with escapes. Annals of the New York Academy of Sciences. 1045: 139-67. PMID 15980310 DOI: 10.1196/annals.1350.012  1
Low-probability matches
2020 Tzemos AC, Contopoulos G. Chaos and ergodicity in an entangled two-qubit Bohmian system Physica Scripta. 95: 065225. DOI: 10.1088/1402-4896/ab606f  0.01
2020 Efthymiopoulos C, Harsoula M, Contopoulos G. Manifold spirals in barred galaxies with multiple pattern speeds Astronomy & Astrophysics. 636: A44. DOI: 10.1051/0004-6361/201936871  0.01
2019 Efstathiou K, Contopoulos G. Orbits in the H(2)O molecule. Chaos (Woodbury, N.Y.). 11: 327-334. PMID 12779466 DOI: 10.1063/1.1356068  0.01
2019 Tzemos AC, Contopoulos G, Efthymiopoulos C. Bohmian trajectories in an entangled two-qubit system Physica Scripta. 94: 105218. DOI: 10.1088/1402-4896/ab2445  0.01
2018 Tzemos AC, Contopoulos G. Integrals of motion in 3D Bohmian trajectories Journal of Physics a: Mathematical and Theoretical. 51: 075101. DOI: 10.1088/1751-8121/aaa092  0.01
2017 Contopoulos G, Tzemos AC, Efthymiopoulos C. Partial integrability of 3d Bohmian trajectories Journal of Physics a: Mathematical and Theoretical. 50: 195101. DOI: 10.1088/1751-8121/aa685d  0.01
2016 Contopoulos G, Harsoula M, Efthymiopoulos C. Analytical study of chaos and applications The European Physical Journal Special Topics. 225: 1053-1070. DOI: 10.1140/epjst/e2016-02654-3  0.01
2016 Harsoula M, Efthymiopoulos C, Contopoulos G. Analytical forms of chaotic spiral arms Monthly Notices of the Royal Astronomical Society. 459: 3419-3431. DOI: 10.1093/mnras/stw748  0.01
2016 Tzemos AC, Contopoulos G, Efthymiopoulos C. Origin of chaos in 3-d Bohmian trajectories Physics Letters A. 380: 3796-3802. DOI: 10.1016/j.physleta.2016.09.016  0.01
2016 Delis N, Contopoulos G. Analytical and numerical manifolds in a symplectic 4-D map Celestial Mechanics and Dynamical Astronomy. 126: 313-337. DOI: 10.1007/S10569-016-9697-9  0.01
2015 Contopoulos G, Harsoula M. Convergence regions of the Moser normal forms and the structure of chaos Journal of Physics a: Mathematical and Theoretical. 48: 335101. DOI: 10.1088/1751-8113/48/33/335101  0.01
2015 Harsoula M, Contopoulos G, Efthymiopoulos C. Analytical description of the structure of chaos Journal of Physics a: Mathematical and Theoretical. 48: 135102. DOI: 10.1088/1751-8113/48/13/135102  0.01
2015 Efthymiopoulos C, Harsoula M, Contopoulos G. Resonant normal form and asymptotic normal form behaviour in magnetic bottle Hamiltonians Nonlinearity. 28: 851-870. DOI: 10.1088/0951-7715/28/4/851  0.01
2014 Efthymiopoulos C, Contopoulos G, Katsanikas M. Analytical invariant manifolds near unstable points and the structure of chaos Celestial Mechanics and Dynamical Astronomy. 119: 331-356. DOI: 10.1007/s10569-014-9546-7  0.01
2013 Contopoulos G, Harsoula M. 3D chaotic diffusion in barred spiral galaxies Monthly Notices of the Royal Astronomical Society. 436: 1201-1214. DOI: 10.1093/MNRAS/STT1640  0.01
2013 Lukes-Gerakopoulos G, Contopoulos G. Mind the Resonances: Final stages of accretion into bumpy black holes Journal of Physics: Conference Series. 453: 012005. DOI: 10.1088/1742-6596/453/1/012005  0.01
2012 DELIS N, EFTHYMIOPOULOS C, CONTOPOULOS G. QUANTUM VORTICES AND TRAJECTORIES IN PARTICLE DIFFRACTION International Journal of Bifurcation and Chaos. 22: 1250214. DOI: 10.1142/S0218127412502148  0.01
2012 Contopoulos G, Delis N, Efthymiopoulos C. Order in de Broglie–Bohm quantum mechanics Journal of Physics a: Mathematical and Theoretical. 45: 165301. DOI: 10.1088/1751-8113/45/16/165301  0.01
2012 Efthymiopoulos C, Delis N, Contopoulos G. Wavepacket approach to particle diffraction by thin targets: Quantum trajectories and arrival times Annals of Physics. 327: 438-460. DOI: 10.1016/j.aop.2011.10.006  0.01
2012 Contopoulos G, Harsoula M, Lukes-Gerakopoulos G. Periodic orbits and escapes in dynamical systems Celestial Mechanics and Dynamical Astronomy. 113: 255-278. DOI: 10.1007/s10569-012-9412-4  0.01
2011 Contopoulos G, Efthymiopoulos C. Galactic dynamics Scholarpedia. 6: 10670. DOI: 10.4249/scholarpedia.10670  0.01
2011 CONTOPOULOS G, LUKES-GERAKOPOULOS G, APOSTOLATOS TA. ORBITS IN A NON-KERR DYNAMICAL SYSTEM International Journal of Bifurcation and Chaos. 21: 2261-2277. DOI: 10.1142/S0218127411029768  0.01
2011 Apostolatos TA, Lukes-Gerakopoulos G, Contopoulos G. Searching for non-Kerr objects Journal of Physics: Conference Series. 283: 012002. DOI: 10.1088/1742-6596/283/1/012002  0.01
2011 Contopoulos G, Harsoula M. Chaotic spiral galaxies Celestial Mechanics and Dynamical Astronomy. 113: 81-94. DOI: 10.1007/s10569-011-9378-7 10.1007/s10569-011-9378-7 10.1007/s10569-011-9378-7 10.1007/s10569-011-937  0.01
2011 Contopoulos G, Harsoula M. Chaotic spiral galaxies Celestial Mechanics and Dynamical Astronomy. 113: 81-94. DOI: 10.1007/S10569-011-9378-7  0.01
2010 Harsoula M, Kalapotharakos C, Contopoulos G. Asymptotic orbits in barred spiral galaxies Monthly Notices of the Royal Astronomical Society. 411: 1111-1126. DOI: 10.1111/j.1365-2966.2010.17748.x  0.01
2010 Lukes-Gerakopoulos G, Apostolatos TA, Contopoulos G. Observable signature of a background deviating from the Kerr metric Physical Review D. 81. DOI: 10.1103/PhysRevD.81.124005  0.01
2010 Contopoulos G, Harsoula M. Stickiness effects in chaos Celestial Mechanics and Dynamical Astronomy. 107: 77-92. DOI: 10.1007/S10569-010-9282-6  0.01
2009 Efthymiopoulos C, Kalapotharakos C, Contopoulos G. Origin of chaos near critical points of quantum flow. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics. 79: 036203. PMID 19392031 DOI: 10.1103/PhysRevE.79.036203  0.01
2009 Apostolatos TA, Lukes-Gerakopoulos G, Deligiannis J, Contopoulos G. An observational criterion to look for an inspiral in a non-Kerr spacetime Journal of Physics: Conference Series. 189: 012002. DOI: 10.1088/1742-6596/189/1/012002  0.01
2009 Contopoulos G. Order and chaos in spiral galaxies Celestial Mechanics and Dynamical Astronomy. 104: 3-21. DOI: 10.1007/S10569-008-9181-2  0.01
2009 Contopoulos G. Order and Chaos in Dynamical Systems Milan Journal of Mathematics. 77: 101-126. DOI: 10.1007/S00032-009-0102-Y  0.01
2008 Lukes-Gerakopoulos G, Basilakos S, Contopoulos G. Dynamics and chaos in the unified scalar field cosmology Physical Review D. 77. DOI: 10.1103/PhysRevD.77.043521  0.01
2008 Tsoutsis P, Kalapotharakos C, Efthymiopoulos C, Contopoulos G. Invariant manifolds and the response of spiral arms in barred galaxies Astronomy & Astrophysics. 495: 743-758. DOI: 10.1051/0004-6361:200810149  0.01
2008 Contopoulos G, Efthymiopoulos C. Ordered and chaotic Bohmian trajectories Celestial Mechanics and Dynamical Astronomy. 102: 219-239. DOI: 10.1007/S10569-008-9127-8  0.01
2007 Voglis N, Harsoula M, Contopoulos G. Orbital structure in barred galaxies Monthly Notices of the Royal Astronomical Society. 381: 757-770. DOI: 10.1111/J.1365-2966.2007.12263.X  0.01
2007 Efthymiopoulos C, Kalapotharakos C, Contopoulos G. Nodal points and the transition from ordered to chaotic Bohmian trajectories Journal of Physics a: Mathematical and Theoretical. 40: 12945-12972. DOI: 10.1088/1751-8113/40/43/008  0.01
2006 Efthymiopoulos C, Contopoulos G. Chaos in Bohmian quantum mechanics Journal of Physics a: Mathematical and General. 39: 1819-1852. DOI: 10.1088/0305-4470/39/8/004  0.01
2006 Efthymiopoulos C, Contopoulos G. Chaos in Bohmian quantum mechanics Journal of Physics a: Mathematical and General. 39: 8563-8563. DOI: 10.1088/0305-4470/39/26/021  0.01
2005 Contopoulos G, Harsoula M. Stability and instability in the anisotropic Kepler problem Journal of Physics a: Mathematical and General. 38: 8897-8920. DOI: 10.1088/0305-4470/38/41/005  0.01
2005 Contopoulos G, Harsoula M. Chaotic Motions in The Field of Two Fixed Black Holes Celestial Mechanics and Dynamical Astronomy. 92: 189-217. DOI: 10.1007/S10569-004-6878-8  0.01
2004 Efthymiopoulos C, Giorgilli A, Contopoulos G. Nonconvergence of formal integrals: II. Improved estimates for the optimal order of truncation Journal of Physics a: Mathematical and General. 37: 10831-10858. DOI: 10.1088/0305-4470/37/45/008  0.01
2004 Contopoulos G, Harsoula M. Chaos in the case of two fixed black holes Journal of Mathematical Physics. 45: 4932-4956. DOI: 10.1063/1.1782672  0.01
2004 Kalapotharakos C, Voglis N, Contopoulos G. Chaos and secular evolution of triaxial N-body galactic models due to an imposed central mass Astronomy & Astrophysics. 428: 905-923. DOI: 10.1051/0004-6361:20041492  0.01
2004 Contopoulos G, Efstathiou K. Escapes and Recurrence in a Simple Hamiltonian System Celestial Mechanics and Dynamical Astronomy. 88: 163-183. DOI: 10.1023/B:CELE.0000016816.87061.11  0.01
2003 Contopoulos G, Efthymiopoulos C, Giorgilli A. Non-convergence of formal integrals of motion Journal of Physics a: Mathematical and General. 36: 8639-8660. DOI: 10.1088/0305-4470/36/32/306  0.01
2003 Polymilis C, Contopoulos G, Dokoumetzidis A. Celestial Mechanics and Dynamical Astronomy. 85: 105-144. DOI: 10.1023/A:1022070326091  0.01
2002 Contopoulos G. Dynamical spectra and the onset of chaos. Annals of the New York Academy of Sciences. 867: 14-40. PMID 12088036 DOI: 10.1111/j.1749-6632.1998.tb11248.x  0.01
2002 Contopoulos G, Voglis N, Efthymiopoulos C. Space Science Reviews. 102: 37-50. DOI: 10.1023/A:1021368900847  0.01
2002 Contopoulos G, Voglis N, Kalapotharakos C. Celestial Mechanics and Dynamical Astronomy. 83: 191-204. DOI: 10.1023/A:1020147216999  0.01
2001 Contopoulos G. Foundations of Physics. 31: 89-114. DOI: 10.1023/A:1004155905361  0.01
2000 Contopoulos G, Bozis G. Complex force fields and complex orbits Journal of Inverse and Ill-Posed Problems. 8. DOI: 10.1515/jiip.2000.8.2.147  0.01
2000 England MN, Hunter, Jr. JH, Contopoulos G. Gaseous Vortices in Barred Spiral Galaxies The Astrophysical Journal. 540: 154-169. DOI: 10.1086/309307  0.01
2000 Contopoulos G, Harsoula M, Voglis N. Celestial Mechanics and Dynamical Astronomy. 78: 197-210. DOI: 10.1023/A:1011197104118  0.01
2000 Contopoulos G, Efthymiopoulos C, Voglis N. Celestial Mechanics and Dynamical Astronomy. 78: 243-263. DOI: 10.1023/A:1011165706843  0.01
2000 Contopoulos G. Celestial Mechanics and Dynamical Astronomy. 76: 291-292. DOI: 10.1023/A:1008363011533  0.01
1999 Kandrup HE, Siopis C, Contopoulos G, Dvorak R. Diffusion and scaling in escapes from two-degrees-of-freedom Hamiltonian systems. Chaos (Woodbury, N.Y.). 9: 381-392. PMID 12779836 DOI: 10.1063/1.166415  0.01
1999 Contopoulos G, Harsoula M, Voglis N, Dvorak R. Destruction of islands of stability Journal of Physics a: Mathematical and General. 32: 5213-5232. DOI: 10.1088/0305-4470/32/28/303  0.01
1999 Contopoulos G, Voglis N. Open Systems Information Dynamics. 6: 137-148. DOI: 10.1023/A:1009637014772  0.01
1999 Contopoulos G, Voglis N, Efthymiopoulos C. Celestial Mechanics and Dynamical Astronomy. 73: 1-16. DOI: 10.1023/A:1008376523356  0.01
1999 Voglis N, Contopoulos G, Efthymiopoulos C. Celestial Mechanics and Dynamical Astronomy. 73: 211-220. DOI: 10.1023/A:1008307332442  0.01
1999 Voglis N, Contopoulos G, Efthymiopoulos C. Detection of Ordered and Chaotic Motion using The Dynamical Spectra International Astronomical Union Colloquium. 172: 211-220. DOI: 10.1017/S0252921100072560  0.01
1998 Voglis N, Contopoulos G, Efthymiopoulos C. Method for distinguishing between ordered and chaotic orbits in four-dimensional maps Physical Review E. 57: 372-377. DOI: 10.1103/PHYSREVE.57.372  0.01
1998 Dvorak R, Contopoulos G, Efthymiopoulos C, Voglis N. “Stickiness” in mappings and dynamical systems Planetary and Space Science. 46: 1567-1578. DOI: 10.1016/S0032-0633(97)00203-1  0.01
1997 Efthymiopoulos C, Contopoulos G, Voglis N, Dvorak R. Stickiness and cantori Journal of Physics a: Mathematical and General. 30: 8167-8186. DOI: 10.1088/0305-4470/30/23/016  0.01
1997 Contopoulos G, Voglis N, Efthymiopoulos C, Froeschlé C, Gonczi R, Lega E, Dvorak R, Lohinger E. Celestial Mechanics and Dynamical Astronomy. 67: 293-317. DOI: 10.1023/A:1008275829979  0.01
1997 Founargiotakis M, Farantos S, Skokos C, Contopoulos G. Bifurcation diagrams of periodic orbits for unbound molecular systems: FH2 Chemical Physics Letters. 277: 456-464. DOI: 10.1016/S0009-2614(97)00931-7  0.01
1997 Skokos C, Contopoulos G, Polymilis C. Structures in the phase space of a four dimensional symplectic map Celestial Mechanics and Dynamical Astronomy. 65. DOI: 10.1007/BF00053508  0.01
1997 Siopis C, Kandrup HE, Contopoulos G, Dvorak R. Universal properties of escape in dynamical systems Celestial Mechanics and Dynamical Astronomy. 65: 57-68. DOI: 10.1007/BF00048438  0.01
1997 Contopoulos G, Grousouzakou E. Regular and irregular periodic orbits Celestial Mechanics and Dynamical Astronomy. 65: 33-56. DOI: 10.1007/BF00048437  0.01
1996 Contopoulos G, Voglis N. The Role of Chaos in Barred Galaxies International Astronomical Union Colloquium. 157: 321-338. DOI: 10.1017/S0252921100049952  0.01
1996 Contopoulos G, Grousouzakou E, Polymilis C. Distribution of periodic orbits and the homoclinic tangle Celestial Mechanics and Dynamical Astronomy. 64: 363-381. DOI: 10.1007/BF00054553  0.01
1996 Contopoulos G, Voglis N. Spectra of stretching numbers and helicity angles in dynamical systems Celestial Mechanics and Dynamical Astronomy. 64: 1-20. DOI: 10.1007/BF00051601  0.01
1995 SIOPIS CV, CONTOPOULOS G, KANDRUP HE. Escape Probabilities in a Hamiltonian with Two Channels of Escape Annals of the New York Academy of Sciences. 751: 205-212. DOI: 10.1111/j.1749-6632.1995.tb27523.x  0.01
1995 CONTOPOULOS G. Order and Chaos in Three-Dimensional Systems Annals of the New York Academy of Sciences. 751: 112-130. DOI: 10.1111/j.1749-6632.1995.tb27517.x  0.01
1995 SIOPIS CV, KANDRUP HE, CONTOPOULOS G, DVORAK R. Universal Properties of Escapea Annals of the New York Academy of Sciences. 773: 221-230. DOI: 10.1111/j.1749-6632.1995.tb12171.x  0.01
1995 SMITH H, CONTOPOULOS G. Spectra and Lyapunov Numbers in Pulsating Systemsa Annals of the New York Academy of Sciences. 773: 189-204. DOI: 10.1111/j.1749-6632.1995.tb12169.x  0.01
1995 CONTOPOULOS G, VOGLIS N, EFTHYMIOPOULOS C, GROUSOUZAKOU E. Invariant Spectra of Dynamical Systemsa Annals of the New York Academy of Sciences. 773: 145-167. DOI: 10.1111/j.1749-6632.1995.tb12167.x  0.01
1995 Contopoulos G, Polymilis C. Recurrence time in the homoclinic tangle Celestial Mechanics & Dynamical Astronomy. 63: 189-197. DOI: 10.1007/BF00693413  0.01
1994 Voglis N, Contopoulos GJ. Invariant spectra of orbits in dynamical systems Journal of Physics a: Mathematical and General. 27: 4899-4909. DOI: 10.1088/0305-4470/27/14/017  0.01
1994 Kaufmann DE. Self-Consistent Models of Barred Spiral Galaxies Publications of the Astronomical Society of the Pacific. 106: 202. DOI: 10.1086/133371  0.01
1994 Contopoulos G, Papadaki H, Polymilis C. The structure of chaos in a potential without escapes Celestial Mechanics & Dynamical Astronomy. 60: 249-271. DOI: 10.1007/BF00693324  0.01
1994 Contopoulos G, Barbanis B. Periodic orbits and their bifurcations in a 3-D system Celestial Mechanics & Dynamical Astronomy. 59: 279-300. DOI: 10.1007/BF00692876  0.01
1993 CONTOPOULOS G. Noise and Chaos in Galactic Dynamics Annals of the New York Academy of Sciences. 706: 100-110. DOI: 10.1111/j.1749-6632.1993.tb24684.x  0.01
1993 Contopoulos G, Kandrup HE, Kaufmann D. Fractal properties of escape from a two-dimensional potential Physica D: Nonlinear Phenomena. 64: 310-323. DOI: 10.1016/0167-2789(93)90262-Y  0.01
1993 Contopoulos G. Classical periodic orbits and quantum mechanical eigenvalues and eigenfunctions Celestial Mechanics and Dynamical Astronomy. 56: 325-336. DOI: 10.1007/BF00699744  0.01
1993 Contopoulos G, Papadaki H. Newtonian and relativistic periodic orbits around two fixed black holes Celestial Mechanics & Dynamical Astronomy. 55: 47-85. DOI: 10.1007/BF00694394  0.01
1992 CONTOPOULOS G, KAUFMANN DE. Nonlinear Self-consistent Models of Barred Galaxiesa Annals of the New York Academy of Sciences. 675: 126-139. DOI: 10.1111/j.1749-6632.1992.tb56796.x  0.01
1992 Contopoulos G, Vandervoort PO. A rotating Staeckel potential The Astrophysical Journal. 389: 118. DOI: 10.1086/171191  0.01
1991 CONTOPOULOS G. Chaos Around Two Fixed Black Holes Annals of the New York Academy of Sciences. 631: 143-155. DOI: 10.1111/J.1749-6632.1991.TB52639.X  0.01
1991 Contopoulos G. The generation of spiral characteristics Celestial Mechanics and Dynamical Astronomy. 50: 251-281. DOI: 10.1007/BF00048767  0.01
1990 CONTOPOULOS G, VOGLIS N, HIOTELIS N. Galaxy Formation: Gas Dynamics Versus Stellar Dynamics Annals of the New York Academy of Sciences. 617: 178-189. DOI: 10.1111/j.1749-6632.1990.tb37805.x  0.01
1990 CONTOPOULOS G. Self-Consistent Models of Spiral Galaxies Annals of the New York Academy of Sciences. 596: 101-113. DOI: 10.1111/j.1749-6632.1990.tb27415.x  0.01
1989 Founargiotakis M, Farantos SC, Contopoulos G, Polymilis C. Periodic orbits, bifurcations, and quantum mechanical eigenfunctions and spectra The Journal of Chemical Physics. 91: 1389-1402. DOI: 10.1063/1.457151  0.01
1989 Contopoulos G, Grosb�l P. Orbits in barred galaxies The Astronomy and Astrophysics Review. 1: 261-289. DOI: 10.1007/BF00873080  0.01
1988 CONTOPOULOS G. Resonant Integrable Galactic Models Annals of the New York Academy of Sciences. 536: 1-14. DOI: 10.1111/j.1749-6632.1988.tb51557.x  0.01
1988 Contopoulos G, Giorgilli A. Bifurcations and complex instability in a 4-dimensional symplectic mapping Meccanica. 23: 19-28. DOI: 10.1007/BF01561006  0.01
1988 Contopoulos G. Nonuniqueness of families of periodic solutions in a four dimensional mapping Celestial Mechanics. 44: 393-409. DOI: 10.1007/BF01234274  0.01
1987 CONTOPOULOS G. Stochasticity in Galactic Models Annals of the New York Academy of Sciences. 497: 1-15. DOI: 10.1111/j.1749-6632.1987.tb48706.x  0.01
1987 Contopoulos G, Polymilis C. Approximations of the 3-particle toda lattice Physica D: Nonlinear Phenomena. 24: 328-342. DOI: 10.1016/0167-2789(87)90083-2  0.01
1987 Contopoulos G. Short and long period orbits Celestial Mechanics. 43: 147-162. DOI: 10.1007/BF01234562  0.01
1987 Contopoulos G. Critical cases of 3-dimensional systems Celestial Mechanics. 42: 239-250. DOI: 10.1007/BF01232960  0.01
1986 Contopoulos G. Bifurcations in systems of three degrees of freedom Celestial Mechanics. 38: 1-22. DOI: 10.1007/BF01234285  0.01
1985 Contopoulos G, Magnenat P. Simple three-dimensional periodic orbits in a galactic-type potential Celestial Mechanics. 37: 387-414. DOI: 10.1007/BF01261627  0.01
1984 Contopoulos G. Theoretical periodic orbits in 3-dimensional Hamiltonians Physica D: Nonlinear Phenomena. 11: 179-192. DOI: 10.1016/0167-2789(84)90442-1  0.01
1984 Contopoulos G. Orbits through the ergosphere of a Kerr black hole General Relativity and Gravitation. 16: 43-70. DOI: 10.1007/BF00764017  0.01
1983 Contopoulos G. Bifurcations, gaps, and stochasticity in barred galaxies The Astrophysical Journal. 275: 511. DOI: 10.1086/161551  0.01
1983 Contopoulos G. Infinite bifurcations, gaps and bubbles in Hamiltonian systems Physica D: Nonlinear Phenomena. 8: 142-156. DOI: 10.1016/0167-2789(83)90314-7  0.01
1983 Contopoulos G. Inverse feigenbaum bifurcations in hamiltonian systems Lettere Al Nuovo Cimento. 37: 149-155. DOI: 10.1007/BF02817916  0.01
1983 Contopoulos G. Termination of sequences of bifurcation in 3-dimensional Hamiltonian systems Lettere Al Nuovo Cimento. 38: 257-262. DOI: 10.1007/BF02814640  0.01
1983 Contopoulos G. The genealogy of periodic orbits in a plane rotating galaxy Celestial Mechanics. 31: 193-211. DOI: 10.1007/BF01686818  0.01
1982 Contopoulos G, Magnenat P, Martinet L. Invariant surfaces and orbital behaviour in dynamical systems of 3 degrees of freedom. II Physica D: Nonlinear Phenomena. 6: 126-136. DOI: 10.1016/0167-2789(82)90011-2  0.01
1981 Contopoulos G. Do successive bifurcations in Hamiltonian systems have the same universal ratio? Lettere Al Nuovo Cimento Series 2. 30: 498-502. DOI: 10.1007/BF02739647  0.01
1981 Contopoulos G. The 4?1 resonance Celestial Mechanics. 24: 355-366. DOI: 10.1007/BF01230395  0.01
1980 Contopoulos G. A dispersion relation for open spiral galaxies Journal of Astrophysics and Astronomy. 1: 79-95. DOI: 10.1007/BF02727952  0.01
1980 Contopoulos G, Michaelidis P. Bifurcations of triple-periodic orbits Celestial Mechanics. 22: 403-413. DOI: 10.1007/BF01306912  0.01
1978 Contopoulos G, Galgani L, Giorgilli A. On the number of isolating integrals in Hamiltonian systems Physical Review A. 18: 1183-1189. DOI: 10.1103/PhysRevA.18.1183  0.01
1978 Contopoulos G. Disappearance of integrals in systems of more than two degrees of freedom Celestial Mechanics. 17: 167-172. DOI: 10.1007/BF01371328  0.01
1978 Contopoulos G. Higher order resonances in dynamical systems Celestial Mechanics. 18: 195-204. DOI: 10.1007/BF01228716  0.01
1977 Contopoulos G. The Non-Linear Theory of Spiral Structure International Astronomical Union Colloquium. 45: 229-240. DOI: 10.1017/S0252921100067609  0.01
1976 Contopoulos G, Spyrou N. The Center of Mass in the Post-Newtonian Approximation of General Relativity The Astrophysical Journal. 205: 592. DOI: 10.1086/154316  0.01
1975 Contopoulos G. Inner Lindblad resonance in galaxies - Nonlinear theory. I The Astrophysical Journal. 201: 566. DOI: 10.1086/153922  0.01
1975 Contopoulos G, Vlahos L. Integrals of motion and resonances in a dipole magnetic field Journal of Mathematical Physics. 16: 1469-1474. DOI: 10.1063/1.522695  0.01
1973 Contopoulos G. The Particle Resonance in Spiral Galaxies. Nonlinear Effects The Astrophysical Journal. 181: 657. DOI: 10.1086/152080  0.01
1971 Contopoulos G. Preference of Trailing Spiral Waves The Astrophysical Journal. 163: 181. DOI: 10.1086/150756  0.01
1971 Contopoulos G. Collisionless Stellar Dynamics Astrophysics and Space Science. 13: 377-386. DOI: 10.1007/BF00649167  0.01
1970 Contopoulos G. Erratum: Resonance Effects in Spiral Galaxies The Astrophysical Journal. 162: 1057. DOI: 10.1086/150739  0.01
1970 Contopoulos G. Resonance Effects in Spiral Galaxies The Astrophysical Journal. 160: 113. DOI: 10.1086/150411  0.01
1970 Contopoulos G. Orbits in Highly Perturbed Dynamical Systems. II. Stability of Periodic Orbits The Astronomical Journal. 75: 108. DOI: 10.1086/110949  0.01
1970 Contopoulos G. Orbits in Highly Perturbed Dynamical Systems. I. Periodic Orbits The Astronomical Journal. 75: 96. DOI: 10.1086/110948  0.01
1968 Contopoulos G. Resonant Periodic Orbits The Astrophysical Journal. 153: 83. DOI: 10.1086/149638  0.01
1968 Contopoulos G, Hadjidemetriou JD. Characteristics of Invariant Curves of Plane Orbits The Astronomical Journal. 73: 86. DOI: 10.1086/110603  0.01
1968 CONTOPOULOS G. New Integrals of Motion and the Orbital History of the Moon Nature. 220: 1018-1018. DOI: 10.1038/2201018a0  0.01
1968 Contopoulos G, Barbanis B. Is the third integral a function of the Hamiltonian? Astrophysics and Space Science. 2: 134-145. DOI: 10.1007/BF00651501  0.01
1967 Contopoulos G. Integrals of motion in the elliptic restricted three-body problem The Astronomical Journal. 72: 669. DOI: 10.1086/110290  0.01
1967 Contopoulos G. Integrals of motion in the three-dimensional restricted problem The Astronomical Journal. 72: 191. DOI: 10.1086/110216  0.01
1966 Contopoulos G. Adiabatic Invariants and the “Third” Integral Journal of Mathematical Physics. 7: 788-797. DOI: 10.1063/1.1931208  0.01
1966 Contopoulos G. Recent developments in stellar dynamics Symposium - International Astronomical Union. 25: 3-18. DOI: 10.1017/S0074180900105200  0.01
1965 Contopoulos G. The "third" Integral in the Restricted Three-Body Problem. The Astrophysical Journal. 142: 802. DOI: 10.1086/148348  0.01
1965 Contopoulos G. Periodic and "tube" orbits The Astronomical Journal. 70: 526. DOI: 10.1086/109777  0.01
1964 Contopoulos G, Woltjer L. The "third" Integral in Non-Smooth Potentials. The Astrophysical Journal. 140: 1106. DOI: 10.1086/148009  0.01
1964 Contopoulos G, Bozis G. Escape of Stars during the Collision of Two Galaxies. The Astrophysical Journal. 139: 1239. DOI: 10.1086/147862  0.01
1963 Contopoulos G. A Classification of the Integrals of Motion. The Astrophysical Journal. 138: 1297. DOI: 10.1086/147724  0.01
1963 Contopoulos G. Resonance cases and small divisors in a third integral of motion. I The Astronomical Journal. 68: 763. DOI: 10.1086/109214  0.01
1963 Contopoulos G. Some Applications of a Third Integral of Motion. The Astronomical Journal. 68: 70. DOI: 10.1086/109073  0.01
1963 Contopoulos G. On the existence of a third integral of motion The Astronomical Journal. 68: 1. DOI: 10.1086/108903  0.01
1956 Contopoulos G. On the Motions of Stars in an Ellipsoidal Stellar System. The Astrophysical Journal. 124: 643. DOI: 10.1086/146271  0.01
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