2 papers
math.OA2021
Pedersen--Takesaki operator equation in Hilbert -modules
R. Eskandari, X. Fang, M. S. Moslehian +1
We extend a work of Pedersen and Takesaki by giving some equivalent conditions for the existence of a positive solution of the so-called Pedersen--Takesaki operator equation $XHX=K…
math.AG2016
Linear degenerations of flag varieties
Giovanni Cerulli Irelli, Xin Fang, Evgeny Feigin +2
Linear degenerate flag varieties are degenerations of flag varieties as quiver Grassmannians. For type A flag varieties, we obtain characterizations of flatness, irreducibility and…