Gamamal
Reputation
25,617
95/100 score
 2d accepted Albert, Bernard and Cheryl popular question (Please comment on my theory) Apr7 accepted How can we detect if a topological space has “holes”. Apr7 accepted Can the sum of reciprocals of a set without density converge? Mar16 accepted Cute problem a computer science classmate shared (adding non-coprimes to n smaller than n as fast as possible) Mar8 accepted Proving for every subset $A$ of $X$ $Int(Cl(A))$ is a regular open set. Mar6 accepted Is there a simple way to know whether the collection of all objects of a certain type is a set? Feb27 accepted Maximum weight of a topology on $\{ 1 , 2 , 3 , \ldots , n \}$ Feb27 accepted Topology in which there is a subbase smaller than any base. Feb24 accepted Really cute counting problem (Finding the $k$'th $n$-Champkowski number) Feb18 accepted Number theory text that uses algebra? Feb11 accepted Simple counting problem I invented (counting ways to end a board game) Feb11 accepted Does a positive constant $\nu$ exist so that $\varphi(n)>\nu\cdot n$ for all $n$? Feb5 accepted Solving inequality involving square root and division by logarithm. Feb3 accepted Using two coins to select a person fairly. Jan28 accepted Finding all continuous functions so that $f^n(x)=x$ for some $n$. Jan27 accepted Trigonometry book which develops geometric intuition. Jan22 accepted Every graph can be optimally colored greedily. Jan13 accepted Proof the Fibonacci numbers are not a polynomial. Jan12 accepted Quick way to check if a number is in a modular multiplicative cyclic group. Jan11 accepted Finding a non-piece wise function that gives us the $i$'th largest number.