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Lagrangian Matroids and Cohomology

✍ Scribed by R.F. Booth; A.V. Borovik

Book ID
105764913
Publisher
Springer
Year
2000
Tongue
English
Weight
110 KB
Volume
4
Category
Article
ISSN
0218-0006

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πŸ“œ SIMILAR VOLUMES

Oriented Lagrangian Matroids
Oriented Lagrangian Matroids
✍ Richard F. Booth; Alexandre V. Borovik; Israel M. Gelfand; Neil White πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 201 KB

In this paper we present a definition of oriented Lagrangian symplectic matroids and their representations. Classical concepts of orientation and this extension may both be thought of as stratifications of thin Schubert cells into unions of connected components. The definitions are made first in ter

Topological Lagrangians and cohomology
Topological Lagrangians and cohomology
✍ M.F. Atiyah; L. Jeffrey πŸ“‚ Article πŸ“… 1990 πŸ› Elsevier Science 🌐 English βš– 703 KB

Witten [12] has interpreted the Donaldson invariants of four-manifolds by means of a topological Lagrangian. We show that this Lagrangian shouM be understood in terms of an infinite-dimensional analogue of the Gauss-Bonnet formula. Starting with a formula of Mathai and Quillen for the Thorn class, w