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Mathematics
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ali
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undergraduate mathematics student

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3
Show that $U=\{(x,y) \in \mathbb{R}^2 \mid x \notin \mathbb{Z}, y \notin \mathbb{Z}\}$ is open
Apr 14, 2021
2
Proving continuity of: $F \in \mathbb{M}_{+}^3 \rightarrow F^{\mathrm{T}}F\in \mathbb{S}^3$
Feb 16, 2023
2
Finding Cyclic Permutation Products
Jul 3, 2020
1
Is this first order differential equation solvable for p?
Oct 25, 2019
1
If $(G:H)$ and $|H|=n$ are relatively prime,$H$ is a normal subgroup then if $x \in G$ and $x^n = e$ then $x \in H $
Oct 23, 2020
1
Showing that this function is unbounded on every open interval
Jan 14, 2021
1
Locus of point of intersection of two lines when the equation of them is given.
Oct 17, 2019
1
If $u(.,t) \in H^2(\mathbb{R})$, then $u (.,t) \in C^1(\mathbb{R})$?
Dec 14, 2023
1
$H^1(\mathbb{R})$ function has a finite moment?
Dec 17, 2023
1
What is wrong with using the $H^1_0$ inner product here?
Jun 2