Macaulay2
»
Documentation
Packages
»
OldToricVectorBundles
::
Table of Contents
next | previous | forward | backward | up |
index
|
toc
OldToricVectorBundles : Table of Contents
OldToricVectorBundles
-- cohomology computations of equivariant vector bundles on toric varieties
addBase
-- changing the basis matrices of a toric vector bundle in Klyachko's description
addBaseChange
-- changing the transition matrices of a toric vector bundle
addDegrees
-- changing the degrees of a toric vector bundle
addFiltration
-- changing the filtration matrices of a toric vector bundle in Klyachko's description
areIsomorphic
-- checks if two vector bundles are isomorphic
base
-- the basis matrices for the rays
cartierIndex
-- the Cartier index of a Weil divisor
charts
-- the number of maximal affine charts
cocycleCheck
-- checks if a toric vector bundle fulfills the cocycle condition
cokernel(ToricVectorBundleKlyachko,Matrix)
-- the cokernel of a morphism to a vector bundle
cotangentBundle
-- the cotangent bundle on a toric variety
deltaE
-- the polytope of possible degrees that give non zero cohomology
details
-- the details of a toric vector bundle
dual(ToricVectorBundle)
-- the dual bundle of a toric vector bundle
eulerChi
-- the Euler characteristic of a toric vector bundle
existsDecomposition
-- checks if a list of matrices of weight vectors for each maximal cone admits a decomposition
exteriorPower(ZZ,ToricVectorBundle)
-- the 'l'-th exterior power of a toric vector bundle
fan(ToricVectorBundle)
-- the underlying fan of a toric vector bundle
filtration
-- the filtration matrices of the vector bundle
findWeights
-- finds the possible weight vectors for the maximal cones
HH^ZZ ToricVectorBundle
-- the i-th cohomology group of a toric vector bundle
hh^ZZ ToricVectorBundle
-- the rank of the i-th cohomology group of a toric vector bundle
HH^ZZ(ToricVectorBundle,List)
-- the i-th cohomology of a toric vector bundle for a given list of degrees
HH^ZZ(ToricVectorBundle,Matrix)
-- the i-th cohomology of a toric vector bundle in a given degree
hirzebruchFan
-- the fan of the n-th Hirzebruch surface
image(ToricVectorBundleKlyachko,Matrix)
-- the image of a vector bundle under a morphism
isGeneral
-- checks whether a toric vector bundle is general
isomorphism
-- the isomorphism if the two bundles are isomorphic
isVectorBundle
-- checks if the data does in fact define an equivariant toric vector bundle
kernel(ToricVectorBundleKlyachko,Matrix)
-- the kernel of a morphism to a vector bundle
maxCones(ToricVectorBundle)
-- the list of maximal cones of the underlying fan
net(ToricVectorBundleKaneyama)
-- displays characteristics of a toric vector bundle
net(ToricVectorBundleKlyachko)
-- displays characteristics of a toric vector bundle in Klyachko's description
pp1ProductFan
-- the fan of n products of PP^1
projectiveSpaceFan
-- the fan of projective n space
randomDeformation
-- a random deformation of a given toric vector bundle
rank(ToricVectorBundle)
-- the rank of the vector bundle
rays(ToricVectorBundle)
-- the rays of the underlying fan
regCheck
-- checking the regularity condition for a toric vector bundle
ring(ToricVectorBundle)
-- the graded ring of the bundle
symmetricPower(ZZ,ToricVectorBundle)
-- the 'l'-th symmetric power of a toric vector bundle
tangentBundle
-- the tangent bundle on a toric variety
tensor(ToricVectorBundle,ToricVectorBundle)
-- the tensor product of two toric vector bundles
ToricVectorBundle
-- the class of all toric vector bundles
toricVectorBundle
-- the trivial bundle of rank 'k' for a given fan
ToricVectorBundle ** ToricVectorBundle
-- the tensor product of two toric vector bundles
ToricVectorBundle ++ ToricVectorBundle
-- the direct sum of two toric vector bundles
ToricVectorBundle == ToricVectorBundle
-- checks for equality
toricVectorBundle(ZZ,Fan,List,List)
-- a toric vector bundle of rank 'k' with given filtrations or degrees
ToricVectorBundleKaneyama
-- the class of all toric vector bundles in Kaneyama's description
ToricVectorBundleKlyachko
-- the class of all toric vector bundles in Klyachko's description
twist
-- twists a toric vector bundle with a line bundle
weilToCartier
-- the line bundle given by a Cartier divisor