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math.AG2015★ 2 cited
Section rings of -divisors on minimal rational surfaces
Aaron Landesman, Peter Ruhm, Robin Zhang
We give bounds on the degree of generation and relations of section rings associated to arbitrary -divisors on projective spaces of all dimensions and Hirzebruch surfac…
math.AG2015★ 3 cited
Spin canonical rings of log stacky curves
Aaron Landesman, Peter Ruhm, Robin Zhang
Consider modular forms arising from a finite-area quotient of the upper-half plane by a Fuchsian group. By the classical results of Kodaira-Spencer, this ring of modular forms may…