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Intereting Posts

Why are ordered spaces normal?
How to evaluate $\int_0^\infty \frac{1}{x^n+1} dx$
Does there exist a regular map $\mathbb{A}^1\to\mathbb{P}^1$ which is surjective?
Nonstandard models of Presburger Arithmetic
If a function $f(x)$ is Riemann integrable on $$, is $f(x)$ bounded on $$?
What is the value of $\sum\limits_{i=1}^\infty\frac{1}{p_{p_i}}$ where $p_{i}$ is the $i$th prime?
Examples of mathematical induction
Separable differential equations: detaching dy/dx
If $F$ be a field, then $F$ is a principal ideal domain. Does $F$ have to be necessarily a field?
Transformation of state-space that preserves Markov property
Finitely generated ideal in Boolean ring; how do we motivate the generator?
2- or 3-vertex-connected cubic planar bipartite graphs with only one Hamilton cycles
Proving that the set of natural numbers is well-ordered
Prove $\tan(A+B+Y)=\frac{\tan A+\tan B+\tan Y-\tan A\tan B\tan Y}{1-\tan A \tan B-\tan B\tan Y-\tan Y\tan A}$
Open set in $\mathbb{R}$ is a union of at most countable collection of disjoint segments