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Daniel Plácido

Master's student in Mathematics at UFMG, Brazil.

Currently interested in higher categories, planning for future projects related to Mathematical-Physics and Categorification.

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6 Give a reason why $\mathbb Z_{64}\times \mathbb Z_4$ and $\mathbb Z_{64}\times \mathbb Z_{2}\times \mathbb Z_{2}$ are not isomorphic. Dec 31 '20
6 How to prove $f(x)=a$ is a subspace Apr 15 '18
5 Pullback in the category of graphs Jul 27 '20
4 Flaw in a proof of uniqueness of products in a category? Jul 14 '20
4 Completeness of the category of enriched categories Apr 15 '20
4 Show that $\mathbb{Z}_5[x]/(x^2+x+1)\cong\mathbb{Z}_5[x]/(x^2+x+2)$ Sep 18 '18
3 In $\mathbb{Z}[\sqrt{d}]$, $d$ is not divisible by the square of any prime. Why? Oct 24 '18
3 Explicit homeomorphism $SL(2,\mathbb{C})\cong SU(2)\times\mathbb{R}^3$. Jun 28 '19
3 Linear algebra constructions on vector bundles Jul 28 '20
3 Why $T_pM$ instead of $TM_p$? Sep 16 '20
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