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 its ...
Z1, Z2, ⋯ is a sequence of iid k-vectors with common distribution P. G* is a group of transformations Zn → CZn + b, C ε G, where G is a Lie group of k2 matrices, dim G ≥ 1, G closed in the group of ...
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