Introduction
Creation Functions Sheaf(M,X) : ModMPol, Sch -> ShfCoh StructureSheaf(X) : Sch -> ShfCoh CanonicalSheaf(X) : Sch -> ShfCoh Twist(S,n) : ShfCoh, RngIntElt -> ShfCoh
Accessor Functions Module(S) : ShfCoh -> ModMPol Scheme(S) : ShfCoh -> Sch FullModule(S) : ShfCoh -> ModMPol GlobalSectionSubmodule(S) : ShfCoh -> ModMPol SaturateSheaf(~S) : ShfCoh ->
Basic Constructions TensorProduct(S,T) : ShfCoh, ShfCoh -> ShfCoh Dual(S) : ShfCoh -> ShfCoh SheafHoms(S,T) : ShfCoh, ShfCoh -> ShfCoh, Map DirectSum(S,T) : ShfCoh, ShfCoh -> ShfCoh
Sheaf Homomorphisms SheafHomomorphism(S,T,h) : ShfCoh, ShfCoh, ModMPolHom -> ShfHom Domain(f) : ShfHom -> ShfCoh Codomain(f) : ShfHom -> ShfCoh Degree(f) : ShfHom -> RngIntElt ModuleHomomorphism(f) : ShfHom -> ModMPolHom Kernel(f) : ShfHom -> ShfCoh, ShfHom Image(f) : ShfHom -> ShfCoh, ShfHom, ShfHom Cokernel(f) : ShfHom -> ShfCoh, ShfHom Expand(hms) : SeqEnum[ShfHom] -> ShfHom
Divisor Maps and Riemann-Roch spaces DivisorMap(S) : ShfCoh -> Map,Sch DivisorToSheaf(X, I) : Sch, RngMPol -> ShfCoh Example Sheaf_shf:rr-scroll (H108E1) Example Sheaf_shf:dp3to6 (H108E2)
Predicates IsLocallyFree(S) : ShfCoh -> BoolElt, RngIntElt IsIsomorphic(S,T) : ShfCoh, ShfCoh -> BoolElt, ShfHom IsArithmeticallyCohenMacaulay(S) : ShfCoh -> BoolElt
Miscellaneous CohomologyDimension(S,r,n) : ShfCoh, RngIntElt, RngIntElt -> RngIntElt IntersectionPairing(S, T) : ShfCoh, ShfCoh -> RngIntElt
Examples Example Sheaf_big_ex (H108E3)
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