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math.CO2021★ 2 cited
Expanding K-theoretic Schur Q-functions
Yu-Cheng Chiu, Eric Marberg
We derive several identities involving Ikeda and Naruse's -theoretic Schur - and -functions. Our main result is a formula conjectured by Lewis and the second author which…
math.CO2020
Filtering cohomology of ordinary and Lagrangian Grassmannians
The 2020 Polymath Jr. REU "q-binomials, the Grassmannian group", : +31
This paper studies, for a positive integer , the subalgebra of the cohomology ring of the complex Grassmannians generated by the elements of degree at most . We build in two…