User Gerenuk - Mathematics Stack Exchange

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	744 reputation	bio	website		visits	member for	1 year, 8 months
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4

7

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3

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Gradient Descent with constraints

optimization numerical-methods

aug 17 '11 at 3:40 Shiyu 1,424

2

7

votes

3

answers

165

views

Intuitively, what is the difference between Eigendecomposition and Singular Value Decomposition?

apr 18 at 0:47 Mehrdad 833

1

3

votes

2

answers

354

views

What is an example that a function is differentiable but derivative is not Riemann integrable

real-analysis examples-counterexamples

dec 12 at 14:07 levap 2,243

5

11

votes

4

answers

277

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Counterexamples in complex analysis

complex-analysis big-list examples-counterexamples

mar 22 at 11:37 Ashot 1,043

3

5

votes

2

answers

139

views

When does (Riemann) regularization work?

divergent-series regularization

aug 9 at 11:45 Gottfried Helms 7,197

18

34

votes

5

answers

3

kviews

Why does $1+2+3+\dots = {-1\over 12}$?

analysis complex-analysis riemann-zeta divergent-series

sep 8 at 18:05 John Bentin 1,559

7

10

votes

0

answers

172

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When is an infinite product of natural numbers regularizable?

sequences-and-series reference-request products regularization

aug 2 at 16:19 J. M. 38.9k

3

12

votes

1

answer

322

views

Is it possible to assign a value to the sum of primes?

analysis prime-numbers divergent-series

may 7 '12 at 17:08 J. M. 38.9k

67

85

votes

40

answers

4

kviews

Funny identities

big-list

apr 29 at 6:07 John Marty 1,030

24

28

votes

19

answers

2

kviews

Interesting results easily achieved using complex numbers

complex-analysis complex-numbers

jan 24 at 3:40 Argon 9,263

3

votes

2

answers

872

views

The median distance from the origin to the closest data point and the curse of dimensionality

machine-learning

dec 13 '11 at 11:02 Srivatsan 15.6k

2

7

votes

1

answer

252

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Is it possible to express $e$ in terms of $\pi$ algebraically and vice-versa?

transcendental-numbers

sep 2 at 22:56 pbs 620

13

35

votes

3

answers

2

kviews

Why did my friend lose all his money?

probability stochastic-processes martingales

aug 28 at 19:03 Matthew Piziak 134

3

5

votes

3

answers

577

views

Has anyone ever proposed additional axioms?

axioms

aug 6 '10 at 21:00 JDH 18.5k

1

5

votes

1

answer

181

views

What is $\aleph_0$ powered to $\aleph_0$?

set-theory cardinals

aug 17 at 6:01 Asaf Karagila 91.2k

2

8

votes

1

answer

229

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Why is $10\frac{\exp(\pi)-\log 3}{\log 2}$ almost an integer?

logarithms approximation pi

may 18 '12 at 9:38 Chris Taylor 13.2k

5

8

votes

2

answers

388

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Values of the Riemann Zeta function and the Ramanujan Summation - How strong is the connection?

analytic-number-theory riemann-zeta divergent-series regularization

aug 6 at 5:48 Sumit Kumar Jha 31

5

13

votes

1

answer

474

views

Why do zeta regularization and path integrals agree on functional determinants?

operator-theory regularization

dec 24 '11 at 6:06 Community♦ 1

7

9

votes

1

answer

713

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Axiom of choice and calculus

calculus set-theory axiom-of-choice

may 7 '12 at 22:46 Makoto Kato 11.3k

4

7

votes

4

answers

621

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Foundation for analysis without axiom of choice?

set-theory axiom-of-choice

jan 30 '12 at 1:41 Michael Greinecker♦ 12.5k

3

4

votes

3

answers

766

views

Is trying to prove a theorem without Axiom of Choice useless?

soft-question axiom-of-choice

jul 15 at 23:21 Ben Millwood 3,752

1

vote

1

answer

170

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Unprovable statements in ZF

set-theory axiom-of-choice

jul 22 at 6:24 Asaf Karagila 91.2k

149

378

votes

25

answers

24

kviews

Can I use my powers for good?

soft-question career-development

apr 11 at 0:40 MGA 80

24

40

votes

5

answers

1

kviews

What are the issues in modern set theory?

reference-request set-theory

mar 7 '11 at 17:22 JDH 18.5k

21

54

votes

6

answers

2

kviews

Is non-standard analysis worth learning?

analysis soft-question nonstandard-analysis

may 16 '12 at 21:58 Pete L. Clark 44.6k

7

40

votes

11

answers

4

kviews

Is it wrong to tell children that 1/0 = NaN is incorrect, and should be ∞?

terminology arithmetic

may 14 '12 at 11:55 Community♦ 1

42

48

votes

39

answers

5

kviews

What are some examples of a mathematical result being counterintuitive?

intuition big-list

may 5 at 7:12 Gastón Burrull 1,282

86

82

votes

22

answers

5

kviews

List of Interesting Math Videos/ Documentaries

soft-question big-list

may 10 at 4:14 cyclochaotic 406

45

52

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21

answers

3

kviews

List of Interesting Math Blogs

soft-question big-list online-resources

apr 25 at 3:25 Bean 849

40

65

votes

6

answers

4

kviews

How can you prove that a function has no closed form integral?

calculus real-analysis integration differential-algebra

sep 19 at 17:52 Nils Matthes 1,083

Gerenuk

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