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Jun
26
answered Quadratic equations / Perfect square
Jun
21
answered Is $\sqrt {2 \sqrt {3 \sqrt {4 \ldots}}}$ algebraic or transcendental?
Jun
21
answered Show that $X$ is homeomorphic to exactly one of the spaces in the following list: $S^2, P^2, K, T_n, T_n\#P^2,T_n\#K, n > 0$
Jun
17
answered Does $\Delta \geq \max\{2em, \lg P + \lg \frac{1}{\epsilon} \}$ guarantees that $(\frac{em}{\Delta})^\Delta \leq \frac{\epsilon}{P}$?
Jun
16
answered How do authors make their problems/exercises for their math books?
Jun
15
answered Can we simply say this regarding the number of elements in the Galois Group?
Jun
13
answered Generating Functions Proof
Jun
12
answered determine the max flow function $f^*$ in a network given the maximum flow value
Jun
12
answered check if directed graph exists using ford fulkerson
Jun
11
answered Set of edges is MST?
Jun
11
answered Rank of matrices product with one invertible matrix
Jun
10
answered Find X value from an exponential system using a given Y ratio
Jun
2
answered for any $k$,there exist set $B$ (be a permutation of $A$),such $B+A=A$
Jun
1
answered Integer solutions of $m^2+(m+1)^2=n^4+(n+1)^4$
May
26
answered Set of all integer solutions to a linear diophantine equation
May
14
answered Theoretical way to prove no positive integer $n$ exists such that $n+3$ and $n^2+3n+3$ are both perfect cubes.
May
13
answered Number of conjugacy classes in a finite non-abelian simple group
May
9
answered Quadruple of Pythagorean triples with same area
May
9
answered Math problems that are impossible to solve
May
6
answered Give an example of a singular matrix in $M_{3×3}(Q)$ the entries of which are distinct prime positive integers, or show that no such matrix can exist.