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9 papers · 1 filter
1-point Gromov-Witten invariants of the moduli spaces of sheaves over the projective plane
Wei-Ping Li, Zhenbo Qin
The Gieseker-Uhlenbeck morphism maps the Gieseker moduli space of stable rank-2 sheaves on a smooth projective surface to the Uhlenbeck compactification, and is a generalization of…
Toroidalization of Locally Toroidal Morphisms from N-folds to Surfaces
Krishna Hanumanthu
The toroidalization conjecture of D. Abramovich, K. Karu, K. Matsuki, and J. Wlodarczyk asks whether any given morphism of nonsingular varieties over an algebraically closed field…
The integral Chow ring of the stack of hyperelliptic curves of even genus
Dan Edidin, Damiano Fulghesu
Let be an even positive integer. In this paper we compute the integral Chow ring of the stack of smooth hyperelliptic curves of genus .
Algebraic cycles and completions of equivariant K-theory
Dan Edidin, William Graham
Let be a complex, linear algebraic group acting on an algebraic space . The purpose of this paper is to prove a Riemann-Roch theorem (Theorem 5.3) which gives a description…
Nonabelian localization in equivariant K-theory and Riemann-Roch for quotients
Dan Edidin, William Graham
We prove a localization formula in equivariant algebraic -theory for an arbitrary complex algebraic group acting with finite stabilizer on a smooth algebraic space. This extends…
On projective varieties with nef anticanonical divisors
Qi Zhang
We prove a structure theorem for projective varieties with nef anticanonical divisors.