You are currently browsing the monthly archive for February 2013.

This blog aims to show that mathematics is beautiful, useful and fun. The singular value decomposition has all these qualities. It is very elegant, and has a wide range of useful applications

via Singularly Valuable SVD.

The invariant subspace problem is still a problem

The invariant subspace problem is solved for Hilbert spaces?

The Lesson of Grace in Teaching

The random graph, 4.

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