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geometry of the coincidence site lattice * M. J. MARCINKOWSKI Engineering Materials Group , and Department of Mechanical Engineering, University of Maryland, College Park, Maryland 20742, USA The tensor ...
By Nirmala Prakash: pp. 414. US$7.60 (Tata McGraw‐Hill Publishing Co. Ltd., India, 1981.) 46 4 BOOK REVIEWS group theory and the lattice theory of /- groups is shown early on, during a general ...
We combine the projective geometry approach to Schroedinger equations on the circle and differential Galois theory with the theory of Poisson Lie groups to construct a natural Poisson structure ...
A new noncommutative differential calculus on function space of discrete Abelian groups is proposed. The derivatives are introduced with respect to the generators of the groups only. It is applied ...
of a special differential Galois group . We thus define the notion of being ‘Special Geometry ’ for a linear differential operator if it is irreducible, globally nilpotent, and such that it is homomorphic to its ...
Ivl ven tiones lnvent, math. 67, 123-131 (1982) mathematicae ~g~ Springer-Verlag 1982 S.V. Chmutov Chair of Differential Geometry , Department of Mathematics, Moscow State University, Moscow, 117234 ...
, with group theory, is an essential preliminary to the understanding of algebraic equations , of differential equations, of the relation between the differ en t branches of geometry , of automorphic functions ...
By means of a noncommutative differential calculus on function space of discrete Abelian groups and that of the regular lattice with equal spacing as well as the discrete symplectic geometry ...
by the lattices have been studied extensively in the frame- Epstein-Hurwitz zeta function [9, 10] approximately. This work of differential geometry or continuum geometry will be shown by using our algebraic ...
We extend harmonic map techniques to the setting of more general differential equations in conformal geometry . We discuss existence theorems and obtain an extension of Siu's strong rigidity to Kähler ...
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