1 code implementation • 9 Aug 2019 • Amit Harlev, Charles R. Johnson, Derek Lim
The problem of determining $DS_n$, the complex numbers that occur as an eigenvalue of an $n$-by-$n$ doubly stochastic matrix, has been a target of study for some time.
Spectral Theory 15-04, 15A18, 15A29, 15B51
no code implementations • 7 Dec 2016 • Shaun Fallat, Charles R. Johnson, Alan D. Sokal
We show that, for Hankel matrices, total nonnegativity (resp.
Commutative Algebra Classical Analysis and ODEs Combinatorics 15B48 (Primary), 15A15, 15B05, 44A60 (Secondary)
