Publications

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Linear methods in band theory

Two approximate methods for solving the band-structure problem in an efficient and physically transparent way are presented and discussed in detail. The variational principle fo...

1975 Physical review. B, Solid state 6468 citations

Enumerative Combinatorics

This book is the first of a two-volume basic introduction to enumerative combinatorics at a level suitable for graduate students and research mathematicians. It concentrates on ...

1997 Cambridge University Press eBooks 6347 citations