User engelbrekt

52 votes

Does the exponential function have a (compositional) square root?

ca.classical-analysis-and-odes fractional-iteration

answered Jan 17, 2010 at 8:09

41 votes

Most interesting mathematics mistake?

answered Oct 21, 2009 at 19:58

28 votes

Accepted

How should I approximate real numbers by algebraic ones?

algebraic-number-theory nt.number-theory 20-questions na.numerical-analysis

answered Oct 27, 2009 at 18:41

26 votes

Looking for an interesting problem/riddle involving triple integrals.

real-analysis ca.classical-analysis-and-odes

answered Jun 2, 2010 at 22:16

23 votes

Uniformization theorem for Riemann surfaces

riemann-surfaces reference-request cv.complex-variables

answered Jan 2, 2010 at 23:18

16 votes

Partial sums of multiplicative functions

analytic-number-theory reference-request nt.number-theory polymath5

answered Jan 8, 2010 at 8:34

16 votes

Accepted

Conformal maps of doubly connected regions to annuli.

cv.complex-variables conformal-maps

answered Jan 9, 2010 at 19:35

15 votes

Accepted

What's so special about transcendental numbers?

nt.number-theory

answered Oct 20, 2009 at 22:50

13 votes

Accepted

Arithmetic progressions without small primes

nt.number-theory analytic-number-theory prime-numbers arithmetic-progression

answered Oct 20, 2009 at 21:35

13 votes

Accepted

Integral expression for zeta(2)

nt.number-theory reference-request

answered Feb 6, 2010 at 12:11

12 votes

Accepted

Lower bounds on zeta(s+it) for fixed s

nt.number-theory zeta-functions analytic-number-theory

answered May 7, 2010 at 20:14

12 votes

Links between Riemann surfaces and algebraic geometry

ag.algebraic-geometry algebraic-curves riemann-surfaces

answered Oct 27, 2009 at 17:37

12 votes

What is the difference between a zeta function and an L-function?

zeta-functions nt.number-theory

answered Nov 26, 2009 at 16:45

10 votes

Example of continuous function that is analytic on the interior but cannot be analytically continued?

cv.complex-variables

answered Jan 5, 2010 at 21:11

9 votes

When does the zeta function take on integer values?

nt.number-theory ca.classical-analysis-and-odes analytic-number-theory

answered Dec 2, 2009 at 23:54

9 votes

Accepted

Twin Prime Conjecture Reference

reference-request nt.number-theory ho.history-overview prime-numbers

answered Dec 3, 2009 at 12:37

9 votes

Accepted

Space of $(1,0)$-holomorphic forms on a Riemann surface

reference-request cv.complex-variables cohomology riemann-surfaces

answered Oct 22, 2009 at 21:30

8 votes

Infinite sets of primes of density 0

analytic-number-theory

answered Mar 2, 2010 at 20:30

8 votes

Accepted

Question concerning the arithmetic average of the Euler phi function:

nt.number-theory analytic-number-theory

answered Jan 30, 2010 at 23:14

7 votes

Accepted

Dirichlet and the prime number theorem

nt.number-theory ho.history-overview reference-request

answered Mar 5, 2010 at 6:13

7 votes

Integral of the error estimate in the prime number theorem

analytic-number-theory nt.number-theory prime-numbers

answered Nov 26, 2009 at 22:50

7 votes

Definition of elementary number theory

nt.number-theory

answered Nov 7, 2009 at 5:58

7 votes

Accepted

Change rates of the 2nd Chebyshev function

nt.number-theory analytic-number-theory

answered Nov 17, 2009 at 16:48

6 votes

Is the maximum domain to which a Dirichlet series can be continued always a halfplane?

cv.complex-variables zeta-functions dirichlet-series analytic-number-theory

answered Nov 14, 2009 at 21:23

6 votes

Primes in quasi-arithmetic progressions?

nt.number-theory prime-numbers arithmetic-progression

answered May 21, 2010 at 16:21

5 votes

Why does undergraduate discrete math require calculus?

mathematics-education tag-removed

answered Jun 4, 2010 at 19:15

5 votes

What proof of quadratic reciprocity is Hilbert referring to in this quote?

ho.history-overview nt.number-theory

answered Jan 10, 2010 at 16:05

5 votes

What proof of quadratic reciprocity is Hilbert referring to in this quote?

ho.history-overview nt.number-theory

answered Jan 10, 2010 at 19:25

4 votes

Region and domains?

cv.complex-variables

answered Jan 16, 2010 at 22:39

4 votes

Is there an elementary proof that the Mertens function is not $O(x^\theta)$ if $\theta <1/2$?

nt.number-theory

answered Nov 26, 2010 at 18:47

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49 Answers

Does the exponential function have a (compositional) square root?

Most interesting mathematics mistake?

How should I approximate real numbers by algebraic ones?

Looking for an interesting problem/riddle involving triple integrals.

Uniformization theorem for Riemann surfaces

Partial sums of multiplicative functions

Conformal maps of doubly connected regions to annuli.

What's so special about transcendental numbers?

Arithmetic progressions without small primes

Integral expression for zeta(2)

Lower bounds on zeta(s+it) for fixed s

Links between Riemann surfaces and algebraic geometry

What is the difference between a zeta function and an L-function?

Example of continuous function that is analytic on the interior but cannot be analytically continued?

When does the zeta function take on integer values?

Twin Prime Conjecture Reference

Space of $(1,0)$-holomorphic forms on a Riemann surface

Infinite sets of primes of density 0

Question concerning the arithmetic average of the Euler phi function:

Dirichlet and the prime number theorem

Integral of the error estimate in the prime number theorem

Definition of elementary number theory

Change rates of the 2nd Chebyshev function

Is the maximum domain to which a Dirichlet series can be continued always a halfplane?

Primes in quasi-arithmetic progressions?

Why does undergraduate discrete math require calculus?

What proof of quadratic reciprocity is Hilbert referring to in this quote?

What proof of quadratic reciprocity is Hilbert referring to in this quote?

Region and domains?

Is there an elementary proof that the Mertens function is not $O(x^\theta)$ if $\theta <1/2$?