borowiec a , cegla w , et al (eds ) theoretical physics fin de siecle

... wmar@ift.uni.wroc.plInstitute of Theoretical Physics, University of Wroclaw, pl. Maksa Borna 9, PL-50-204 Wroclaw, POLAND ,, PawelMA´SLANKA e-mail: pmaslan@krysia.uni.lodz.plDepartment of Theoretical Physics II, L´od´z ... Czstochowa, POLAND ,, Michael KNYAZEV e-mail: knyazev@iaph.bas-net.byInstute of Applied Physics, National Academy of Sciences of Belarus,Academicheskaya ul. 1 6, BY-220072 Minsk, BELARUS ,, Sylwia KONDEJ ... Physics, University of Wroclaw, pl. Maksa Borna 9, PL-50-204 Wroclaw, POLAND ,, Witold KARWOWSKI e-mail: wkar@ift.uni.wroc.plInstitute of Theoretical Physics, University of Wroclaw, pl. Maksa...

... )= 0 ( 6) is a pair of relationsFj(u, x, t, U, X, T )= 0,j= 1, 2 ( 7) with some transformation between (x, t) and (X, T ), in which Fjdepends onthe derivatives of u(x, t) and U(X, T ), such that ... Sornette, Nice, France, and Los Angeles, CA, USAS. Theisen, Golm, Germany W. Weise, Trento, Italy, and Garching, GermanyJ. Wess, M¨unchen, GermanyJ. Zittartz, K¨oln, Germany3BerlinHeidelbergNew ... condens´e, CEA Saclay, F–91191 Gif-sur-YvetteCedex, France; conte@drecam.saclay.cea.frSummary. Whether integrable, partially integrable or nonintegrable, nonlinearpartial differential equations...