Sputnik

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1,053 reputation

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visits	member for	2 years
	seen	Feb 7 at 19:29
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26 Questions

votes activity newest

31	The direct sum $\oplus$ versus the cartesian product $\times$
8	Painting the faces of a cube with distinct colours
8	Can one show that $\sum_{n=1}^N\frac{1}{n} -\log N - \gamma \leqslant \frac{1}{2N}$ without using the Euler-Maclaurin formula?
8	The Mayer-Vietoris sequence
6	A type of isomorphism on $\mathbb{Z}^r$

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1,053 Reputation

+5	The simplest $\Delta$-complex structure on $S^2$
+20	The direct sum $\oplus$ versus the cartesian product $\times$
+5	Property of abelianization
+5	Painting the faces of a cube with distinct colours

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7 Answers

votes activity newest

20	Strategies for Effective Self-Study
9	“Casual” mathematical facts with practical consequences
7	Why is “working in $\mathbb {Z}_m$” essentially the same as “working with congruences modulo m”?
7	How many usernames are there and how do you calculate it?
5	Which one result in maths has surprised you the most?

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28 Tags

9 soft-question × 2	4 calculus
9 applications	3 analytic-number-theory × 3
7 combinatorics × 3	3 number-theory × 3
7 abstract-algebra	3 sequences-and-series × 3
7 elementary-number-theory	0 algebraic-topology × 8

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10 Accounts

$Mathematics Stack Exchange$	Mathematics	1,053 rep	516
	Super User	264 rep	110
	Raspberry Pi	175 rep	17
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	153 rep	15
	Area 51	151 rep

20 Badges

recent class name

Yearling × 2	Nice Answer
Popular Question	Self-Learner
Necromancer	Peer Pressure
Caucus	Enthusiast
Good Question	Disciplined

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