17 citations · 105 across the 28 of their papers we have counts for
5 papers · 1 filter
Noncommutative rigidity of the moduli stack of stable pointed curves
Shinnosuke Okawa, Taro Sano
We prove that the second Hochschild cohomology group of the moduli stack of stable -pointed genus curves vanishes for all but finitely many .
Compact moduli of noncommutative projective planes
Tarig Abdelgadir, Shinnosuke Okawa, Kazushi Ueda
We introduce the notion of the moduli stack of relations of a quiver. When the quiver with relations is derived-equivalent to an algebraic variety, the corresponding compact moduli…
Exceptional sheaves on the Hirzebruch surface
Shinnosuke Okawa, Hokuto Uehara
We investigate exceptional sheaves on the Hirzebruch surface , as the first attempt toward the classification of exceptional objects on weak del Pezzo surfaces.
Noncommutative quadric surfaces and noncommutative conifolds
Shinnosuke Okawa, Kazushi Ueda
We introduce a compact moduli of noncommutative quadrics, and show that it is the weighted projective space of weight (2,4,4,6). We also introduce a compact moduli of potentials fo…
Quantum entanglement, Calabi-Yau manifolds, and noncommutative algebraic geometry
Shinnosuke Okawa, Kazushi Ueda
We relate SLOCC equivalence classes of qudit states to moduli spaces of Calabi-Yau manifolds equipped with a collection of line bundles. The cases of 3 qutrits and 4 qubits are als…