geometry, complex numbers, complex line
$dim = 1$: Riemann surface, super Riemann surface
group cohomology, nonabelian group cohomology, Lie group cohomology
cohomology with constant coefficients / with a local system of coefficients
differential cohomology
Given an algebraic variety or scheme $X$, then its Néron-Severi group is the quotient of its Picard scheme $Pic_X$ by the connected component $Pic_X^0$ of the neutral element.
Last revised on May 30, 2014 at 09:12:07. See the history of this page for a list of all contributions to it.