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Jyrki Lahtonen earned this badge 18 times |
apr 5 at 15:24
reducible polynomial modulo every prime
mar 23 at 10:58
easier way of calculating the determinant for this matrix
mar 22 at 14:52
Is there a polynomial $p(x)$ with integer coefficients, such that $p(a)=p(b)=p(c)=p(d)=4$ and $p(e) = 10$?
aug 27 at 10:53
Unramification of a prime ideal in an order of a finite Galois extension of an algebraic number field
jul 28 at 8:30
Idempotents in $Z_n$
may 30 '12 at 19:15
Proving there are an infinite number of pairs of positive integers $(m,n)$ such that $\frac{m+1}{n}+\frac{n+1}{m}$ is a positive integer
apr 24 '12 at 23:41
Is it known or new?
mar 4 '12 at 7:37
Tensor product and compositum of fields
jan 11 '12 at 12:55
How to show if $ \lambda$ is an eigenvalue of $AB^{-1}$, then $ \lambda$ is an eigenvalue of $ B^{-1}A$?
dec 28 '11 at 13:44
Why are the eigenvalues of these “bitwise XOR matrices” integers?
nov 24 '11 at 4:28
Proving that $m+n\sqrt{2}$ is dense in R
oct 19 '11 at 5:27
Do all algebraic integers in some $\mathbb{Z}[\zeta_n]$ occur among the character tables of finite groups?
sep 30 '11 at 21:40
How can you show there are only 2 nonabelian groups of order 8?
jul 20 '11 at 13:33
How do we prove $n^n \mid m^m \Rightarrow n \mid m$?
