An algebraic approach to the topological degree of a smooth map

DOI10.1090/S0002-9904-1978-14509-1zbMath0425.55003MaRDI QIDQ3860511

David Eisenbud

Publication date: 1978

Published in: Bulletin of the American Mathematical Society (Search for Journal in Brave)

zbMATH Keywords

singular pointlocal ringlocal degree of a differentiable mapnon-regular valuessignature of a non-singular symmetric bilinear form

Mathematics Subject Classification ID

Degree, winding number (55M25) Singularities of differentiable mappings in differential topology (57R45) Theory of singularities and catastrophe theory (58K99) Differentiable maps on manifolds (58C25) General binary quadratic forms (11E16)

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