Steve D

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5,250 reputation

21332

bio	website	math.sunysb.edu/~sdalton
	location	Stony Brook, NY
	age	29
visits	member for	2 years, 9 months
	seen	15 mins ago
stats	profile views	1,208

Grad Student!

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118 Answers

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15	Ring such that $x^4=x$ for all $x$
11	$A_6 \simeq \mathrm{PSL}_2(\mathbb{F}_9) $ only simple group of order 360
10	Description of the set of prime ideals of the $R/m^2$
10	Can someone tell me what group this is?
9	Are there/Why aren't there any simple groups with orders like this?

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5,250 Reputation

+10	Is a finite group generated by representatives of its conjugacy classes?
+5	Second Stiefel-Whitney Class of a 3 Manifold
+10	Non-normal covering of a Klein bottle by torus.
+10	$G/H$ is a finite group so $G\cong\mathbb Z$

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21 Questions

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38	How can I introduce complex numbers to precalculus students?
17	Finite Groups with a subgroup of every possible index
15	Presentation of the fundamental group of a manifold minus some points
12	G a finite group, M a maximal subgroup; M abelian implies G solvable?
11	Different ways of representing a second cohomology class

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63 Tags

251 group-theory × 97	15 ring-theory
143 finite-groups × 47	14 commutative-algebra × 2
83 abstract-algebra × 27	13 soft-question × 3
26 algebraic-topology × 19	12 abelian-groups × 5
22 simple-groups × 3	12 contest-math × 2

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$Mathematics Stack Exchange$	Mathematics	5,250 rep	21332
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$TeX - LaTeX Stack Exchange$	TeX - LaTeX	269 rep	17
	Spanish Language & Usage	157 rep	4
	Academia	153 rep	5

31 Badges

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Constituent × 4	Cleanup
Caucus × 3	Vox Populi
Quorum	Suffrage
finite-groups	Nice Question × 5
Mortarboard	Good Question

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