oriented homology group
71Sheaf (mathematics) — This article is about sheaves on topological spaces. For sheaves on a site see Grothendieck topology and Topos. In mathematics, a sheaf is a tool for systematically tracking locally defined data attached to the open sets of a topological space.… …
72Blowing up — This article is about the mathematical concept of blowing up. For information about the physical/chemical process, see Explosion. For other uses of Blow up , see Blow up (disambiguation). Blowup of the affine plane. In mathematics, blowing up or… …
73Gene — The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) needed to contribute to a function. An official definition: According to the official Guidelines for Human Gene Nomenclature, a gene is defined as a DNA segment that… …
74Convergent evolution — These two succulent plant genera, Euphorbia and Astrophytum, are only distantly related, but have independently con …
75Morava K-theory — In stable homotopy theory, a branch of mathematics, Morava K theory is one of a collection of cohomology theories introduced in algebraic topology by Jack Morava in unpublished preprints in the early 1970s. For every prime number p (which is… …
76Biskit — Infobox Software name=Biskit developer=Raik Grünberg, Johan Leckner, and others operating system=UNIX, Linux, Mac OS X genre=Bioinformatics tool website= [http://biskit.pasteur.fr http://biskit.pasteur.fr] licence=GPL Biskit is an open source… …
77Clasper (mathematics) — In the mathematical field of low dimensional topology, a clasper is a surface (with extra structure) in a 3 manifold on which surgery can be performed. Contents 1 Motivation 2 Definition 3 Clasper calculus …
