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Intereting Posts

Is a twisted de Rham cohomology always the same as the untwisted one?
Contraction of compact sets
Why does the natural ring homomorphism induce a surjective group homomorphism of units?
Irrationality of powers of $\pi$
Linearly ordered sets “somewhat similar” to $\mathbb{Q}$
Defining the width of a Gaussian function
Eigenvectors of the $2\times2$ zero matrix
How to show that if $\sum_na_n=\infty$ and $a_n\downarrow 0$ then $\sum\limits_n\min(a_{n},\frac{1}{n})=\infty$?
Positivity of the alternating sum associated to at most five subspaces
Product of two primitive polynomials
Levin's u-transformation
There always exists a sequence of consecutive composite integers of length $n$ for all $n$.
A bounded net with a unique limit point must be convergent
Is the series $\sum \sin^n(n)$ divergent?
How do I reflect a function about a specific line?