User AnonymousCoward - Mathematics Stack Exchange

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8

20

votes

5

answers

1

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Is there a definition of determinants that does not rely on how they are calculated?

linear-algebra

feb 18 '11 at 19:09 Andy 1,230

10

votes

2

answers

389

views

Results related to The Happy Ending Problem

mar 17 at 14:52 Peter Tamaroff 26.2k

6

8

votes

7

answers

858

views

Can this standard calculus result be explained “intuitively”

calculus intuition teaching

mar 27 at 10:51 azimut 5,588

1

6

votes

1

answer

342

views

$\mathbb{Q}(\sqrt{1-\sqrt{2}})$ is Galois over $\mathbb{Q}$

galois-theory

sep 5 at 15:31 Community♦ 1

1

6

votes

1

answer

437

views

Modular arithmetic problem

modular-arithmetic

feb 7 '11 at 17:56 AnonymousCoward 1,221

5

votes

1

answer

191

views

Known bounds and values for Ramsey Numbers

graph-theory ramsey-theory

nov 21 at 1:42 Andres Caicedo 24.4k

4

votes

1

answer

73

views

Realization of graded algebras with Poincaré duality

algebraic-topology

jul 12 at 18:54 AnonymousCoward 1,221

1

4

votes

1

answer

128

views

Can someone explain this paragraph from Griffiths and Harris to me?

geometry

jan 16 '12 at 1:48 Michael Joyce 7,058

4

votes

1

answer

862

views

1981 Putnam problem A-3 : Differentiating under a double integral?

integral contest-math

jan 3 '11 at 23:48 TCL 5,417

2

4

votes

2

answers

847

views

When functions commute under composition

functions

nov 23 '10 at 4:07 AnonymousCoward 1,221

3

votes

1

answer

147

views

Applications Wedderburn's Little Theorem

ring-theory

dec 2 '11 at 17:28 Pierre-Yves Gaillard 8,487

3

votes

2

answers

125

views

Bound on the dimension of $L(D)$ for a compact Riemann Surface

complex-analysis riemann-surfaces

mar 22 '11 at 23:10 AnonymousCoward 1,221

2

votes

1

answer

37

views

Concordant Links have Homotopy Equivalent Complements

knot-theory

feb 18 at 18:43 Community♦ 1

2

votes

0

answers

66

views

Something like the weak Whitney embedding theorem for continuous maps and homotopy.

geometric-topology

may 7 '12 at 2:26 AnonymousCoward 1,221

2

votes

1

answer

167

views

Isomorphism of $\operatorname{top}f$ implies $f$ is a projective cover.

modules

feb 9 '12 at 15:52 Loronegro 217

2

votes

1

answer

110

views

Notes on dga's with a look towards Rational Homotopy Theory?

homotopy-theory graded-modules

feb 5 '12 at 8:09 Community♦ 1

2

votes

0

answers

112

views

Describe Geometrically the action of a discrete subgroup on the complex Heisenberg Group

lie-groups complex-geometry

jul 23 '11 at 17:12 Willie Wong♦ 30.7k

2

votes

2

answers

920

views

How can I determine asymptotic growth of binomial coefficients?

binomial-coefficients asymptotics

nov 7 '10 at 23:10 AnonymousCoward 1,221

2

votes

5

answers

175

views

Existence of lines not containing given points in general position

geometry euclidean-geometry discrete-geometry projective-geometry

oct 28 '10 at 19:49 Joseph Malkevitch 3,552

1

vote

0

answers

45

views

weakly convergent sequence in $l^1$ [duplicate]

functional-analysis convergence normed-spaces weak-convergence

apr 18 at 5:13 Alex Ravsky 3,374

1

vote

2

answers

52

views

homotopy can't extend to one point compactification.

general-topology

mar 22 at 15:37 Stefan H. 1,856

1

vote

2

answers

95

views

Is there a compact, connected manifold $M$ with boundary $S^2$ not diffeomorphic to $D^3$?

differential-topology

nov 1 at 4:35 AnonymousCoward 1,221

1

vote

0

answers

66

views

Analog of a tubular neighborhood for an embedded wedge sum

algebraic-topology differential-geometry

jul 22 at 6:52 AnonymousCoward 1,221

1

vote

1

answer

305

views

Uniform limit of Lebesgue integrable functions on a space of infinite measure

measure-theory integration

feb 17 '12 at 7:41 Ragib Zaman 17.9k

1

vote

2

answers

132

views

How to find all possible extensions of a finite group by $C_2$

group-theory

sep 15 '11 at 20:08 AnonymousCoward 1,221

1

vote

1

answer

120

views

If $g\circ f = z \circ w $ and three of these functions are holomorphic, then is the fourth?

complex-analysis

aug 1 '11 at 4:28 AnonymousCoward 1,221

1

vote

2

answers

784

views

Prime powers that divide a factorial [duplicate]

prime-numbers

feb 6 '11 at 22:24 Arturo Magidin 158k

1

vote

1

answer

79

views

Projections from $\mathbb{C}^{n+1}$ to $\mathbb{CP}^n$. (check my reasoning)

homework projective-space

jan 18 '11 at 6:40 Jonas Meyer 35.1k

0

votes

1

answer

88

views

Is there a general non-numerical way to solve equations of the form $p(x) = e^{h(x)}$

algebra-precalculus

mar 14 '12 at 4:55 marty cohen 6,897

0

votes

1

answer

94

views

Equivalence of Weierstrass and Ramification points of a Riemann Surface

riemann-surfaces

jun 1 '11 at 10:59 Hagen 3,347

AnonymousCoward

30 Questions