Lubin

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5,701 reputation

519

bio	website	math.brown.edu/~lubinj
	location	Minnesota
	age	76
visits	member for	1 year, 6 months
	seen	22 hours ago
stats	profile views	1,089

Aged mathematician

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162 Answers

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48	Prove that $i^i$ is a real number
22	Critiques on proof showing $\sqrt{12}$ is irrational.
15	Who first called the Grothendieck's schéma scheme?
15	Is $\mathbb Q_r$ algebraically isomorphic to $\mathbb Q_s$ while r and s denote different primes?
13	“Negative” versus “Minus”

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5,701 Reputation

+20	Finding the remainder when $2^{100}+3^{100}+4^{100}+5^{100}$ is divided by $7$
+10	3 questions on field extensions
+15	p-adic isomorphism $\mathbb{Q}_p\not\cong \mathbb{Q}_q\iff p\ne q$
+10	Is $\mathbb Q_r$ algebraically isomorphic to $\mathbb Q_s$ while r and s denote different primes?

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1 Question

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23	Reference request for tricky problem in elementary group theory

104 Tags

96 abstract-algebra × 31	39 p-adic-number-theory × 10
67 field-theory × 22	32 homework × 17
66 complex-numbers × 7	28 polynomials × 15
53 proof-strategy × 3	28 galois-theory × 9
41 number-theory × 9	26 ring-theory × 6

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2 Accounts

$Mathematics Stack Exchange$	Mathematics	5,701 rep	519
	English Language & Usage	119 rep	3

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