User Gerhard Paseman

117 votes

13 answers

14k views

How do I fix someone's published error?

asked Jul 10, 2010 at 23:06

21 votes

2 answers

2k views

What is due diligence when translating a paper?

asked Oct 27, 2011 at 5:43

20 votes

6 answers

4k views

Erik Westzynthius's cool upper bound argument: update?

asked Sep 4, 2010 at 1:41

15 votes

4 answers

572 views

Are all partial consecutive harmonic subsums distinct?

asked Jan 30, 2017 at 15:54

14 votes

3 answers

1k views

How many sequences of rational squares are there, all of whose differences are also rational squares?

asked Aug 3, 2011 at 21:17

6 votes

3 answers

2k views

Better error bounds for partial sums of reciprocals of primes?

asked Jul 20, 2012 at 6:44

6 votes

0 answers

321 views

Should I expect to see numbers this smooth?

asked Jan 29, 2014 at 22:43

6 votes

4 answers

982 views

How to get a good upper bound on $\sum_{1 \lt d, d|n} \phi(d)/\log d$?

asked Nov 16, 2015 at 20:34

6 votes

2 answers

745 views

ASCII prime plots and prime-rich quadratic polynomials

asked Oct 11, 2011 at 7:15

6 votes

1 answer

345 views

Friable Numbers In Short Intervals: Density Estimates?

asked Apr 11, 2017 at 1:47

6 votes

1 answer

867 views

Does the likelihood of these tables exist?

asked Jan 4, 2019 at 18:06

5 votes

2 answers

383 views

How much do these interval collections cover?

asked Nov 2, 2016 at 23:46

5 votes

4 answers

2k views

How do these primes jump?

asked Jul 1, 2016 at 22:09

5 votes

0 answers

406 views

Paging Henryk Iwaniec: Problems In Lemma 1?

asked Aug 1, 2016 at 3:54

5 votes

0 answers

767 views

The Grimm Machine(s): A Collatz Conjecture Rival?

asked Aug 22, 2016 at 22:35

5 votes

4 answers

733 views

Can one show combinatorially how $\operatorname{lcm}(1, \dotsc, n)$ grows?

asked May 19, 2020 at 14:35

5 votes

3 answers

413 views

Exact bin packing the harmonic series: references?

asked Jan 25, 2017 at 18:18

4 votes

0 answers

272 views

What arithmetic would you do in parallel?

asked May 12, 2019 at 2:45

4 votes

1 answer

147 views

Reference Request on the existence of $k$ satisfying $P(\Phi_d(2))^k \gt \Phi_d(2)$ for all $d$

asked Apr 10, 2016 at 5:11

4 votes

2 answers

581 views

Other realms for studying symbolic dynamics

asked Apr 30, 2011 at 6:39

3 votes

0 answers

404 views

Inversion density: Have you seen this concept?

asked Jul 11, 2010 at 6:04

3 votes

1 answer

490 views

How much space between these smooth numbers?

asked Nov 21, 2016 at 19:47

3 votes

0 answers

265 views

Prove A Skipping Prime Conjecture For Rio?

asked Apr 13, 2018 at 17:01

3 votes

3 answers

353 views

Is this number theoretic quantity bounded above?

asked May 31, 2020 at 1:58

2 votes

2 answers

390 views

Playing leapfrog with primes

asked Dec 13, 2016 at 21:39

2 votes

1 answer

506 views

On comparing two almost injective divisor maps

asked Aug 24, 2016 at 0:57

2 votes

1 answer

433 views

Is there a "small $\omega$" number theorem?

asked Oct 25, 2016 at 21:26

2 votes

3 answers

455 views

A faster way to spoil an injection?

asked May 1, 2017 at 6:45

2 votes

2 answers

230 views

Expanding a combinatorial argument involving permutation coefficients

asked Sep 8, 2017 at 4:09

2 votes

1 answer

769 views

What are the chances of finding a small factor?

asked May 7, 2011 at 5:07

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40 Questions

How do I fix someone's published error?

What is due diligence when translating a paper?

Erik Westzynthius's cool upper bound argument: update?

Are all partial consecutive harmonic subsums distinct?

How many sequences of rational squares are there, all of whose differences are also rational squares?

Better error bounds for partial sums of reciprocals of primes?

Should I expect to see numbers this smooth?

How to get a good upper bound on $\sum_{1 \lt d, d|n} \phi(d)/\log d$?

ASCII prime plots and prime-rich quadratic polynomials

Friable Numbers In Short Intervals: Density Estimates?

Does the likelihood of these tables exist?

How much do these interval collections cover?

How do these primes jump?

Paging Henryk Iwaniec: Problems In Lemma 1?

The Grimm Machine(s): A Collatz Conjecture Rival?

Can one show combinatorially how $\operatorname{lcm}(1, \dotsc, n)$ grows?

Exact bin packing the harmonic series: references?

What arithmetic would you do in parallel?

Reference Request on the existence of $k$ satisfying $P(\Phi_d(2))^k \gt \Phi_d(2)$ for all $d$

Other realms for studying symbolic dynamics

Inversion density: Have you seen this concept?

How much space between these smooth numbers?

Prove A Skipping Prime Conjecture For Rio?

Is this number theoretic quantity bounded above?

Playing leapfrog with primes

On comparing two almost injective divisor maps

Is there a "small $\omega$" number theorem?

A faster way to spoil an injection?

Expanding a combinatorial argument involving permutation coefficients

What are the chances of finding a small factor?