This morning Dave Richeson posted a humorous fake proof that depends on the famous approximation 22/7 for pi. It occurred to me that nearly everyone knows a...
1 replies - 1518 views - 01/31/13 by John Cook in Articles
The famous Riemann hypothesis is equivalent to the following not-so-famous conjecture: For...
0 replies - 2453 views - 11/30/12 by John Cook in Articles
G. H. Hardy called the following equation Ramanujan’s “most beautiful identity.” For |q| < 1,
If I understood it, I might say it’s beautiful, but...
1 replies - 3023 views - 10/29/12 by John Cook in Articles
0 replies - 1225 views - 03/25/12 by Snippets Manager in Uncategorized
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0 replies - 3338 views - 03/13/12 by Snippets Manager in Uncategorized
0 replies - 2480 views - 02/17/12 by Snippets Manager in Uncategorized
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0 replies - 2850 views - 02/02/12 by Snippets Manager in Uncategorized
2 replies - 1787 views - 01/30/12 by Snippets Manager in Uncategorized
The sampling theorem states that a continuous signal x(t) bandlimited to B Hz can be recovered from its samples x[n] = x(n*T), where n is an integer, if T is...
0 replies - 2206 views - 11/02/11 by Giuseppe Vettigli in Articles
3 replies - 8967 views - 08/21/11 by Snippets Manager in Uncategorized
