activity
20112024
most citedTensor GMRES and Golub-Kahan Bidiagonalization methods via the Einstein product with applications to image and video processing

11 citations · 12 across the 9 of their papers we have counts for

collaborators
Showing 2024Show all

1 paper · 1 filter

math.NA2024

On the invertibility of matrices with a double saddle-point structure

Fatemeh P. A. Beik, Chen Greif, Manfred Trummer

We establish necessary and sufficient conditions for invertibility of symmetric three-by-three block matrices having a double saddle-point structure \fb{that guarantee the unique s…