Joshua Ciappara

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15 Questions

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4	Inequality between limits inferior
3	Limit of ideals?
3	Formalisation of equivalence of “vectors” and “points”
3	Formulation of holomorph in abstract algebra
2	Sufficient conditions for functional extrema

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114 Reputation

+98	Why is $\;n^2-\frac{n^2}{2} =\frac{n^2}{2}\;$?
+10	Sufficient conditions for functional extrema
+5	Analysing functionals having no local extrema
+15	Right translation - left coset - orbits

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11 Answers

votes activity newest

9	Why is $\;n^2-\frac{n^2}{2} =\frac{n^2}{2}\;$?
5	How to solve $ x = 5^{1345}\bmod 58$? Fermat's little theorem
2	Do the rng axioms enforce any hidden restrictions (except the existence of an absorbing element) on the multiplication operator?
2	Define $f: I \rightarrow \mathbb{R}$ as $f(x)= \sup {f_n(x) : n \geq n_0 }$ for $ x \in I$, It's convex?
2	Minimizing the function $\sqrt{2x} - \left\lceil \frac{\sqrt{1+8x}}{2} \right\rceil$ for $x > 0$

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27 Tags

11 homework × 2	5 finite-groups × 3
9 fractions	5 modular-arithmetic
9 powers	5 elementary-number-theory
9 algebra-precalculus	4 abstract-algebra × 7
5 group-theory × 4	2 real-analysis × 4

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2 Accounts

$Mathematics Stack Exchange$	Mathematics	114 rep	9
	Physics	104 rep	2

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1 Active bounty

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+200	Who was responsible for finding sufficient conditions for functional extrema?

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