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B.cklund Transformation and the Schwarzian Derivative
"... A0O9/M ELEMENT NO. NO. NO. ACCESSION NO. ..."
Nonlinear Partial Differential Eauations and A V Related Problems of Pads Approximations
, 1984
"... During the period of the grant we continued our studies of one-four dimensional classical and quantum lattice and continuous completely integrable systems. Our technique is 02 based on the method of Backlund transformations and their algebraic, geometric and arithmetic properties. Methods of B~cklun ..."
Abstract
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During the period of the grant we continued our studies of one-four dimensional classical and quantum lattice and continuous completely integrable systems. Our technique is 02 based on the method of Backlund transformations and their algebraic, geometric and arithmetic properties. Methods of B~cklund
ON TIII: RDIrZRK~~ULE NONLINFAR DIFFUSION EQUII'Y~ON
"... We sLudy tile invariance properties (in the sense of Lie-Btlcklunll groul)s) of the nunlinear diffusion equation a){I all..-I (; (u)'- 1- = O. Wc show that an infinite nun~l~cr of one-s x ax;) L parameter Lie-155cklund groups are admitted if and only if the-2 conductivity C(u) = n(u + b). In t ..."
Abstract
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We sLudy tile invariance properties (in the sense of Lie-Btlcklunll groul)s) of the nunlinear diffusion equation a){I all..-I (; (u)'- 1- = O. Wc show that an infinite nun~l~cr of one-s x ax;) L parameter Lie-155cklund groups are admitted if and only if the-2 conductivity C(u) = n(u + b
