3 papers
math.AG2023
Toric Schubert varieties and directed Dynkin diagrams
Eunjeong Lee, Mikiya Masuda, Seonjeong Park
A flag variety is a homogenous variety where is a simple algebraic group over the complex numbers and is a Boel subgroup of . A Schubert variety is a subvari…
math.AG2023
Newton-Okounkov polytopes of type flag varieties of small ranks arising from cluster structures
Yunhyung Cho, Naoki Fujita, Akihiro Higashitani +1
A flag variety is a smooth projective homogeneous variety. In this paper, we study Newton-Okounkov polytopes of the flag variety arising from its cluster structu…
math.AG2023
-cohomological rigidity for smooth toric Fano varieties of Picard number two
Yunhyung Cho, Eunjeong Lee, Mikiya Masuda +1
The -cohomological rigidity conjecture states that two smooth toric Fano varieties are isomorphic as varieties if there is a -preserving isomorphism between their integra…