User JSchlather - Mathematics Stack Exchange

bio	website	homepages.uc.edu/~schlatjj
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	age	23
visits	member for	2 years, 8 months
	seen	2 days ago
stats	profile views	1,374

	9,735 reputation	bio	website	homepages.uc.edu/~schlatjj	visits	member for	2 years, 8 months
31748 badges		location			seen	2 days ago

26

84

votes

1

answer

2

kviews

Does the open mapping theorem imply the Baire category theorem?

dec 10 at 23:50 Pedro Lauridsen Ribeiro 37

30

80

votes

2

answers

2

kviews

Can we ascertain that there exists an epimorphism $G\rightarrow H$?

abstract-algebra group-theory finite-groups morphism

may 4 at 1:53 user32240 4,931

15

34

votes

7

answers

1

kviews

How to explain to the layperson what mathematics is, why it's important, and why it's interesting

soft-question

dec 26 '11 at 23:42 Bruno 7,044

12

32

votes

1

answer

995

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Decomposing polynomials with integer coefficients

elementary-number-theory polynomials diophantine-equations

jul 25 at 19:23 RicardoCruz 555

3

29

votes

2

answers

412

views

Constructing $\mathbb N$ from the set of factorials

number-theory proof-strategy factorial

aug 2 at 2:58 MJD 21k

6

29

votes

1

answer

601

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In which ordered fields does absolute convergence imply convergence?

real-analysis sequences-and-series ordered-fields

feb 28 '12 at 0:56 Niels Diepeveen 2,188

9

23

votes

1

answer

490

views

The category of compact metric spaces

category-theory metric-spaces

apr 28 '12 at 10:25 Norbert 20.4k

5

18

votes

2

answers

362

views

What is the coproduct of fields, when it exists?

commutative-algebra ring-theory field-theory category-theory

may 17 '12 at 12:46 Matt E 58.1k

4

18

votes

3

answers

654

views

What is the simplest way to prove that the logarithm of any prime is irrational?

number-theory irrational-numbers

sep 25 at 10:23 John Wordsworth 9,343

2

14

votes

1

answer

126

views

What do characteristic polynomials characterize?

linear-algebra abstract-algebra matrices

feb 19 at 16:08 Marc van Leeuwen 23.9k

5

14

votes

3

answers

294

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Small exercise?

homework analysis

mar 6 at 20:21 Robert Haraway 965

3

13

votes

0

answers

186

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Can every number be written as a small sum of sums of squares?

number-theory algorithms

feb 25 at 10:26 Alex Becker♦ 28.2k

2

13

votes

1

answer

385

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Polynomials all of whose roots are rational

reference-request polynomials

oct 28 at 6:03 Community♦ 1

3

13

votes

0

answers

595

views

Lifting local compactness in covering spaces

general-topology

aug 15 at 19:17 Miha Habič 2,121

8

12

votes

4

answers

248

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Irreducibility of Polynomials in $k[x,y]$

algebraic-geometry commutative-algebra

feb 14 at 17:19 Hurkyl 21.5k

9

12

votes

1

answer

160

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$[(x-a_1)(x-a_2) \cdots (x-a_n)]^2 +1$ is irreducible over $\mathbb Q$

polynomials irreducible-polynomials

mar 1 at 11:24 YACP 9,165

3

11

votes

2

answers

145

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Structure of Finite Commutative Rings

abstract-algebra commutative-algebra ring-theory

feb 17 at 2:08 YACP 9,165

1

10

votes

0

answers

93

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Find all polynomials $\sum_{k=0}^na_kx^k$, where $a_k=\pm2$ or $a_k=\pm1$, and $0\leq k\leq n,1\leq n<\infty$, such that they have only real zeroes

sequences-and-series algebra-precalculus polynomials

jan 29 at 20:36 acassatt9 51

3

9

votes

0

answers

212

views

Is every model of modular arithmetic either even or odd?

logic ring-theory set-theory peano-axioms

feb 7 at 1:13 Kaveh 1,929

1

8

votes

1

answer

146

views

Solving $n!=p^r-p$ with $p$ prime

number-theory

mar 2 '12 at 23:56 Brian M. Scott 155k

3

8

votes

1

answer

118

views

Is there a $C^1$ curve dense in the plane?

general-topology plane-curves

mar 7 at 19:15 Seirios 8,917

2

7

votes

1

answer

282

views

Fraction field of the formal power series ring in finitely many variables

commutative-algebra

feb 15 at 0:34 YACP 9,165

2

7

votes

1

answer

265

views

How does one graduate from Hecke Operators to Hecke Correspondences?

number-theory algebraic-number-theory modular-forms

jul 29 at 6:02 Matt E 58.1k

2

7

votes

0

answers

288

views

The radical solution of a solvable 17th degree equation

number-theory abstract-algebra polynomials galois-theory

sep 20 '11 at 14:28 Tito Piezas III 2,640

3

6

votes

4

answers

185

views

Number fields with all degrees equal to a power of three

field-theory

jan 27 at 20:22 Ewan Delanoy 8,413

2

6

votes

1

answer

149

views

Calculating the norm of an element in a field extension.

abstract-algebra field-theory galois-theory norm

jul 2 at 15:33 Ragib Zaman 17.9k

6

votes

1

answer

67

views

Does there exist an ordered ring, with $\mathbb{Z}$ as an ordered subring, such that some ring of p-adic integers can be formed as a quotient ring?

abstract-algebra ring-theory order-theory p-adic-number-theory

mar 17 at 20:07 mercio 11.3k

1

5

votes

1

answer

63

views

a question on transcendental entire function

complex-analysis complex-numbers

mar 8 at 1:04 Alex Youcis 12.4k

2

5

votes

3

answers

190

views

A question about polynomial rings

abstract-algebra ring-theory

jan 22 at 13:03 Amr 8,827

3

5

votes

1

answer

152

views

Extending Galois automorphism to group automorphism

abstract-algebra number-theory algebraic-geometry algebraic-number-theory automorphic-forms

apr 25 '12 at 7:51 late_learner 1,560

JSchlather

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