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douglas.adams (43)in #mathematics • 9 years ago
RE: Cryptography 101 (An Interactive Class) : More Introduction to Groups - Week 2
S_n has order n! The order of S_n is the number of permutations of n elements? So, you have n blank spaces and can choose from n different elements to fill the first space…
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douglas.adams (43)in #mathematics • 9 years ago
RE: Cryptography 101 (An Interactive Class) : An Introduction to Group Theory - Week 1
Oh, ok. Thanks
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douglas.adams (43)in #art • 9 years ago
RE: Thank You For HATING My Art!
Your art is actually pretty cool! "Saturn's Hexagon" is dizzying and disconcerting
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douglas.adams (43)in #mathematics • 9 years ago
RE: Cryptography 101 (An Interactive Class) : An Introduction to Group Theory - Week 1
The set of even integers is an additive group. The identity is 0, since 0 + g = g for any integer g (even or otherwise). Addition is associative: if g1, g2, and g3 are even…
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douglas.adams (43)in #mathematics • 9 years ago
RE: Cryptography 101 (An Interactive Class) : An Introduction to Group Theory - Week 1
Great idea for an interactive class! I have been meaning to learn about cryptographic schemes, and this is helpful.
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