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cp4space.hatsya.com | ||
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www.johndcook.com
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| | | | | The Bitcoin key mechanism is based on elliptic curve cryptography over a finite field. This post gives a brief overview. | |
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blog.computationalcomplexity.org
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| | | | | Just as I was complaining that we haven't seen many surprising breakthroughs in complexity recently, we get an earthquake of a result to st... | |
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www.jeremykun.com
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| | | | | Last time we defined and gave some examples of rings. Recapping, a ring is a special kind of group with an additional multiplication operation that "plays nicely" with addition. The important thing to remember is that a ring is intended to remind us arithmetic with integers (though not too much: multiplication in a ring need not be commutative). We proved some basic properties, like zero being unique and negation being well-behaved. | |
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www.imperialviolet.org
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