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wvxvw

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146 reputation
 bio website visits member for 1 year, 3 months
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 location seen Apr 5 at 13:28
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6 Questions

views newest activity votes
 
2
votes
2
answers
244
views

Identity to simplify sum with binomial coefficient

homework combinatorics binomial-coefficients
may 26 '12 at 17:44 Egbert 1,891
 
1
vote
1
answer
135
views

Adjacent transposition - explain in layman terms

group-theory permutations
may 18 '12 at 16:05 wvxvw 146
 
1
vote
1
answer
114
views

Finding number of summands by using generating function

homework combinatorics generating-functions
jul 5 at 14:00 Marc van Leeuwen 23.6k
 
2
votes
2
answers
77
views

15Puzzle, sum of inversions - what's been summed?

group-theory permutations inverse
may 18 '12 at 9:56 Brian M. Scott 153k
 
1
vote
0
answers
68
views

Translate group definition into geometry system

homework group-theory analytic-geometry
jan 25 '12 at 22:04 wvxvw 146
 
0
votes
1
answer
36
views

Recurrence relation, error in generating function - where did I go wrong?

homework recurrence-relations generating-functions
jun 30 at 16:01 Brian M. Scott 153k
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