-
1
-
2
On Rationality of Nonnegative Matrix Factorization
Published 2017“…NMF has a wide variety of applications, in- cluding bioinformatics, chemometrics, communication com- plexity, machine learning, polyhedral combinatorics, among many others. A longstanding open question, posed by Cohen and Rothblum in 1993, is whether every rational matrix M has an NMF with minimal d whose factors W and H are also rational. …”
Conference item -
3
Cutting plane algorithms for variational inference in graphical models
Published 2008Get full text
Thesis -
4
Exact information ratios for secret sharing on small graphs with girth at least 5
Published 2019-06-01“…In this paper, the information ratios of all but one graph-based schemes on 8 or 9 vertices with a girth at least 5 and all graph-based schemes on 10 vertices and 10 edges with a girth at least 5 are determined using two polyhedral combinatoric tools: the entropy method and covering with stars. …”
Get full text
Article