celtschk

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4,528 reputation

1925

bio	website
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	age	41
visits	member for	10 months
	seen	Oct 26 '12 at 6:50
stats	profile views	260

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85 Answers

votes activity newest

80	How to tell $i$ from $-i$?
45	Are all infinities equal?
17	What are imaginary numbers?
15	A field without a canonical square root of $-1$
13	A nontrivial subgroup of $G$ contained in every other nontrivial subgroup.

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4,528 Reputation

+5	“Liar functions”: is this a known concept?
+5	Are surreal numbers actually well-defined in ZFC?
+10	A field without a canonical square root of $-1$
+5	Are there infinitely many “super-palindromes”?

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16 Questions

votes activity newest

46	Are there infinitely many “super-palindromes”?
18	Brute force method of solving the cube: How many moves would it take?
17	Is there an easy way to see associativity or non-associativity from an operation's table?
11	Are surreal numbers actually well-defined in ZFC?
10	Are all $p$-adic number systems the same?

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90 Tags

112 complex-numbers × 6	18 definition × 2
93 teaching × 5	17 probability × 8
45 infinity	16 homework × 8
39 linear-algebra × 16	16 algebra-precalculus × 7
19 soft-question × 4	16 matrices × 6

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13 Accounts

	Mathematica	8,701 rep	1361
	Stack Overflow	6,078 rep	421
$Mathematics Stack Exchange$	Mathematics	4,528 rep	1925
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	861 rep	111
	Physics	541 rep	14

23 Badges

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Nice Question × 6	Organizer
Popular Question	Enthusiast
Good Question	Enlightened × 2
Custodian × 2	Pundit
Nice Answer × 5	Good Answer × 2

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