Jacobi-Trudi Determinants over Finite Fields
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Author(s)
Anzis, Ben
Chen, Shuli
Gao, Yibo
Kim, Jesse
Li, Zhaoqi
Patrias, Rebecca
Date Issued
July 16, 2018
Publisher
Springer International Publishing
Version
Author's final manuscript
Abstract
Abstract
In this paper, we work toward answering the following question: given a uniformly random algebra homomorphism from the ring of symmetric functions over
$${\mathbb{Z}}$$
Z
to a finite field
$${\mathbb{F}_{q}}$$
F
q
, what is the probability that the Schur function
$${s_{\lambda}}$$
s
λ
maps to zero? We show that this probability is always at least 1/q and is asymptotically 1/q. Moreover, we give a complete classification of all shapes that can achieve probability 1/q. In addition, we identify certain families of shapes for which the events that the corresponding Schur functions are sent to zero are independent. We also look into the probability that Schur functions are mapped to nonzero values in
$${\mathbb{F}_{q}}$$
F
q
.
MIT Department
Massachusetts Institute of Technology. Department of Mathematics
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DOI of Published Version
https://doi.org/10.1007/s00026-018-0399-8
