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Intereting Posts

Fibonacci Sequence in $\mathbb Z_n$.
Top Cohomology group of a “punctured” manifold is zero?
The Ellipse Problem – finding an ellipse inside a triangle
Show that $\sqrt{4+2\sqrt{3}}-\sqrt{3}$ is rational using the rational zeros theorem
Example of modules that are projective but not free; torsion-free but not free
Is every Compact $n$-Manifold a Compactification of $\mathbb{R}^n$?
In Fitch, is a symbol not in a specified language automatically free?
factorization of a^n+1?
The cow in the field problem (intersecting circular areas)
Combinatorial Interpretation of a Binomial Identity
Why is $\sum_{n=-\infty}^{\infty}\exp(-(x+n)^2)$ “almost” constant?
A question about differentiation
Why are harmonic functions called harmonic functions?
Homology groups of the Klein bottle
An alternative way to calculate $\log(x)$