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Rectangular matrix multiplication revisited. (English) Zbl 0872.68052
Summary: We give a constant \(\alpha> 0.294\) and, for any \(\varepsilon >0\), an algorithm for multiplying an \(N\times N\) matrix by an \(N\times N^\alpha\) matrix with complexity \(O(N^{2+ \varepsilon})\).

68Q15 Complexity classes (hierarchies, relations among complexity classes, etc.)
Full Text: DOI
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