Let X, Y be two subspaces of summability domains of matrices with real or complex entries determined by speeds of the convergence, i.e.; by monotonically increasing positive sequences λ and μ. In this ...

The writer, whose comic will also feature Ambush Bug and Lady Quark, told ComicBook.com twice in the span of a short e-mail interview that he took on these characters mostly because nobody else wanted ...

Week 2 of DC's upcoming Convergence titles hits stores on April 15th, and one of the books offered is SUPERGIRL: MATRIX written by Keith Giffen and featuring the art of Timothy Green II. Giffen ...

Let X, Y be two sequence spaces defined by speeds of the convergence, i.e.; by monotonically increasing positive sequences. In this paper, we give necessary and sufficient conditions for a matrix A ...