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Intereting Posts

Equivalent statements to fixed-point theorem
What does it mean that we can diagonalize the metric tensor
$SL(n,\mathbb R)$ diffeomorphic to $SO(n) \times \mathbb R^{n(n+1)/2-1}$?
Irreducibility of $f(x)=x^4+3x^3-9x^2+7x+27$
Proof Strategy – Prove that each eigenvalue of $A^{2}$ is real and is less than or equal to zero – 2011 8C
How does one evaluate $\sqrt{x + iy} + \sqrt{x – iy}$?
Suppose that G is a group and N < G a normal subgroup. Prove G/N is simple
Can two integer polynomials touch in an irrational point?
Show that the set $\{ x \in : f(x) = g(x)\}$ is closed in $\Bbb R$.
What is a short exact sequence telling me?
For integer $k > 1$, is $\sum_{i=0}^{\infty} 1/k^{2^i}$ transcendental or algebraic, or unknown?
Uniform Convergence verification for Sequence of functions – NBHM
How do I evaluate the limit $\lim_{n\to\infty}n((1+1/n)^n-e)$?
How to solve exact equations by integrating factors?
Continuity of the Metric and Convergence Sequences