3 papers
math.RT2026
Algebraicity of the Brascamp-Lieb constants
Calin Chindris, Harm Derksen
We show that the Brascamp-Lieb (BL) constant BL(-,p) is a semi-algebraic function on the set of feasible data. Consequently, it is algebraic in the sense that it satisfies a polyno…
math.CO2026
Counting 3-way contingency tables via quiver semi-invariants
Calin Chindris, Deepanshu Prasad
Let be the number of -way contingency tables of size with two of its three plane-sum margins fixed by $\mathbf{a}=(a_1…
math.RT2025
The Jordan type of a multiparameter persistence module
Calin Chindris, Min Hyeok Kang, Daniel Kline
Let be a poset and a sequence of finite substes of . The Jordan type of a -persistence module at , denote…