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14h
comment Irreducibility of $x^4+x^3+x^2+x+1$
Lucian: sure they are.
1d
answered Irreducibility of $x^4+x^3+x^2+x+1$
1d
reviewed Edit spectrum of convolution integral operator
1d
revised spectrum of convolution integral operator
Grammar and improved formatting
2d
revised Question about Paul Erdős’ proof on the infinitude of primes
deleted 9 characters in body; edited title
2d
reviewed Leave Closed attempt Legendre conjecture
2d
reviewed Leave Closed Maximin problem as LP?
Jan
22
comment Is zero an even number?
goblin: True. One more downvote, please!
Jan
21
comment Is zero an even number?
quid: I still don't have the peer pressure badge. Feel free to downvote.
Jan
21
answered Is zero an even number?
Jan
21
revised Number of ways to pick N numbers from 0,1,…,N-1, with possible duplication, with sum equal 0 mod N
edited tags
Jan
21
reviewed Leave Closed Which one is true?
Jan
21
comment Integration of $\frac{x^2+2}{x+2}$
This does not answer the question, which was "can someone explain the algebraic jump that allows A to be equal to B".
Jan
20
reviewed Leave Closed Probability of sum of dice rolls combinatorics
Jan
20
reviewed Leave Closed Roots of permutations
Jan
20
reviewed Leave Closed Does $\int_0^1 \sqrt{\frac{1+x}{\sin{x}}}$ converge?
Jan
20
reviewed Leave Closed Letters of the word “PARAMETER”
Jan
20
reviewed Reopen Lang's Linear Algebra: what's next?
Jan
20
reviewed Leave Closed Number of circular permutation of word 'CIRCULAR'
Jan
20
reviewed Leave Closed Prove $\sum_{n=1}^{\infty }\frac{\zeta (2n)}{(2^{2n})(n)}=\log(\pi /2)$