Ali Jafarian, Alexey I. Popov, Heydar Radjavi, Common Invariant Subspaces from Small Commutators, Indiana University Mathematics Journal, Vol. 67, No. 1 (2018), pp ...

Y. Saad, Krylov Subspace Methods for Solving Large Unsymmetric Linear Systems, Mathematics of Computation, Vol. 37, No. 155 (Jul., 1981), pp. 105-126 ...

Two weeks ago, a modest-looking paper was uploaded to the arXiv preprint server with the unassuming title On the invariant subspace problem in Hilbert spaces. The paper is just 13 pages long and ...