Preface ......................................................... v
Outline of the Series .......................................... ix
List of Contributors .......................................... xxv
Section 1A Linear Algebra ...................................... 1
Alexander E. Guterman, Matrix Invariants over Semirings ...... 3
Kazimierz Szymiczek, Quadratic Forms ........................ 35
Section 2B Homological Algebra. Cohomology. Cohomological
Methods in Algebra. Homotopical Algebra ..................... 81
Ronald Brown, Crossed Complexes and Higher Homotopy
Groupoids as Noncommutative Tools for Higher Dimensional
Local-to-Global Problems .................................... 83
Section 4H Hopf Algebras and Related Structures .............. 125
Katsutoshi Amano, Akira Masuoka and Mitsuhiro Takeuchi,
Hopf Algebraic Approach to Picard-Vessiot Theory ........... 127
Gabriella Böhm, Hopf Algebroids ............................ 173
Tomasz Brzeziński, Comodules and Corings ................... 237
Michiel Hazewinkel, Witt vectors. Part 1 ................... 319
Jae-Hoon Kwon, Crystal Graphs and the Combinatorics of
Young Tableaux ............................................. 473
Section 6D Representation Theory of Algebras ................. 505
Xueqing Chen and Ki-Bong Nam, Tomáš Pospíchal, Quivers
and Representations ........................................ 507
Section 8 Applied Algebra .................................... 563
Marios Viana, Canonical Decompositions and Invariants for
Data Analysis .............................................. 565
Index ......................................................... 585
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