unoriented cobordism

См. также в других словарях:

• Cobordism — A cobordism (W;M,N). In mathematics, cobordism is a fundamental equivalence relation on the class of compact manifolds of the same dimension, set up using the concept of the boundary of a manifold. Two manifolds are cobordant if their disjoint… …   Wikipedia

• Complex cobordism — In mathematics, complex cobordism is a generalized cohomology theory related to cobordism of manifolds. Its spectrum is denoted by MU. It is an exceptionally powerful cohomology theory, but can be quite hard to compute, so often instead of using… …   Wikipedia

• List of cohomology theories — This is a list of some of the ordinary and generalized (or extraordinary) homology and cohomology theories in algebraic topology that are defined on the categories of CW complexes or spectra. For other sorts of homology theories see the links at… …   Wikipedia

• List of important publications in mathematics — One of the oldest surviving fragments of Euclid s Elements, found at Oxyrhynchus and dated to circa AD 100. The diagram accompanies Book II, Proposition 5.[1] This is a list of important publications in mathematics, organized by field. Some… …   Wikipedia

• Dold manifold — In mathematics, a Dold manifold is one of the manifolds P(m,n) = (Sm×CPn)/τ (where τ acts as −1 on the sphere Sm and a complex conjugation on complex projective space CPn) constructed by Dold (1956) that he used to give explicit generators… …   Wikipedia

• Characteristic class — In mathematics, a characteristic class is a way of associating to each principal bundle on a topological space X a cohomology class of X. The cohomology class measures the extent to which the bundle is twisted particularly, whether it possesses… …   Wikipedia

• Daniel Quillen — Born June 22, 1940(1940 06 22) Orange, New Jersey Died April 30, 2011(2011 04 30) (aged 7 …   Wikipedia

• Brown–Peterson cohomology — In mathematics, Brown–Peterson cohomology is a generalized cohomology theory introduced byharvtxt|Brown|Peterson|1966, depending on a choice of prime p . It is described in detail by harvtxt|Ravenel|2003|loc=Chapter 4.Its spectrum is usually… …   Wikipedia

• Stiefel–Whitney class — In mathematics, the Stiefel–Whitney class arises as a type of characteristic class associated to real vector bundles E ightarrow X. It is denoted by w ( E ), taking values in H^*(X; /2), the cohomology groups with mod 2 coefficients. The… …   Wikipedia