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Jun
30
answered Convergent $x_n,y_n$ and $x_n^{y_n}$ diverges
Jun
28
answered In the Hahn-Banach theorem, what is the purpose of the 'dominating function'?
Jun
28
asked coproduct of lattices preserving filtered property of positive elements
Jun
25
answered Is the Cauchy-Schwarz inequality ever used in Physics?
Jun
23
answered Cauchy sequences of two metric spaces with only different distance functions
Jun
21
answered How should one picture a topology/ topological space?
Jun
16
answered Homotopy/fundamental group question: Why group axioms fail when defined on paths?
Jun
10
answered a curve does not need to be injective?
Jun
9
answered Definition of a Cartesian Closed Category
Jun
9
answered Version of the Axiom of Induction for Real Induction?
Jun
9
answered Proving triangular inequality in general
Jun
9
answered Let $G$ be a finite group, $ord(G)=p^2$ ($p$ is a prime) prove that there is a subgroup of order $p$ in $G$
Jun
9
answered Representing real numbers from matrices of non-negative-reals.
Jun
8
answered Evaluate $\lim_{x\to 1}\frac{\sin(x\pi)}{1-x^2}$ without l'hopital rule
Jun
8
answered What are some results that shook the foundations of one or more fields of mathematics?
Jun
7
answered Is the algebraic “square root of 2” proof consistent with axioms of algebra?
Jun
5
answered Is there a counter-example to this problem on convergence of a bounded, strictly increasing sequence?
Jun
5
answered About the Heine-Cantor theorem.
Jun
4
answered Given any linear map from basis to a space W, it can be expanded to a linear map from whole space to a space W
Jun
4
answered Induction on finite subset of natural numbers