3 papers
math.AC2025
The Smith form of Sylvester and Bézout matrices for zero-dimensional ideals
Etna Lindy, Vanni Noferini
Let be a field and let be such that the ideal is zero-dimensional. We study the Sylvester and Bézout resultant polynom…
math.NA2025
On rank-2 Nonnegative Matrix Factorizations and their variants
Etna Lindy, Vanni Noferini, Paul Van Dooren
We consider the problem of finding the best nonnegative rank-2 approximation of an arbitrary nonnegative matrix. We first revisit the theory, including an explicit parametrization…
cs.DS2025
A -Approximate Correlation Clustering Algorithm in Dynamic Streams
Mélanie Cambus, Fabian Kuhn, Etna Lindy +2
Grouping together similar elements in datasets is a common task in data mining and machine learning. In this paper, we study streaming algorithms for correlation clustering, where…