Coherent Sheaves
- Introduction
- Creation Functions
- Accessor Functions
- Basic Constructions
TensorProduct(S, T): ShfCoh, ShfCoh → ShfCoh
TensorPower(S, n): ShfCoh, RngIntElt → ShfCoh
Dual(S): ShfCoh → ShfCoh
SheafHoms(S, T): ShfCoh, ShfCoh → ShfCoh, Map
DirectSum(S, T): ShfCoh, ShfCoh → ShfCoh
Restriction(S, Y): ShfCoh, Sch → ShfCoh
Example: Cons Exs
- Sheaf Homomorphisms
- Divisor Maps and Riemann-Roch Spaces
DivisorMap(S): ShfCoh → Map, Sch
DivisorToSheaf(X, I): Sch, RngMPol → ShfCoh
RiemannRochBasis(X, I): Sch, RngMPol → SeqEnum, RngMPolElt, ShfCoh
IneffectiveDivisorToSheaf(X, I, J): Sch, RngMPol, RngMPol → ShfCoh
IneffectiveRiemannRochBasis(X, I, J): Sch, RngMPol, RngMPol → SeqEnum, RngMPolElt, ShfCoh
Example: Shf:rr Scroll
Example: shf:dp3to6
- Predicates
- Miscellaneous
- Examples