Sidney Raffer's user avatar
Sidney Raffer's user avatar
Sidney Raffer's user avatar
Sidney Raffer
  • Member for 13 years, 11 months
  • Last seen more than 2 years ago
22 votes
2 answers
2k views

Is a real power series that maps rationals to rationals defined by a rational function?

16 votes
1 answer
548 views

Real algebraic sets bounded away from integer points

14 votes
2 answers
739 views

Generating primes via composition of polynomials

13 votes
1 answer
496 views

A decision problem concerning polynomial rings

11 votes
3 answers
2k views

Distribution mod 1 of Factorial Multiples of Real Numbers.

10 votes
2 answers
1k views

Approximating polynomials in R[x] using integer-valued polynomials

10 votes
1 answer
547 views

A decision problem concerning Diophantine inequalities

10 votes
2 answers
1k views

A question about open induction

9 votes
1 answer
368 views

Distribution of polynomials mod 1 using co-prime integers

9 votes
2 answers
815 views

Connection between the two-variable case of Hilbert's Tenth Problem and Roth's Theorem.

9 votes
3 answers
830 views

A Simple Generalization of the Littlewood Conjecture

8 votes
3 answers
676 views

A question about how polynomials simplify under substitution

8 votes
2 answers
485 views

Efficient computation of the least fraction with square denominator greater than the square root of 2.

7 votes
1 answer
581 views

A Diophantine Decision Problem

7 votes
1 answer
713 views

How to see the ring of all polynomials (with integer coefficients) that are bounded on a given real algebraic set?

7 votes
2 answers
468 views

How Symmetric is Diophantine Approximation using Fractions with Square Denominators?

7 votes
2 answers
485 views

Computing the measure of the projection on the torus of a semialgebraic set

6 votes
2 answers
207 views

Algorithm for determining when polynomial iteration is bounded?

6 votes
1 answer
358 views

Discrete orderings on $\mathbb{Z}[x,y]$ that violate the universal theory of the integers

5 votes
1 answer
233 views

Is the first order theory of ordered rings without infinitesimals effectively enumerable?

5 votes
1 answer
388 views

Estimating the volume of a semialgebraic set from above

5 votes
1 answer
592 views

Wanted: A constructive version of a theorem of Furstenberg and Weiss

5 votes
0 answers
292 views

A notion of independence for beatty sequences

4 votes
1 answer
3k views

When are intersections of finitely generated field extensions finitely generated?

4 votes
4 answers
606 views

A question about the additive group of a finitely generated integral domain

3 votes
1 answer
387 views

Ultimate limits of Tennenbaum's Theorem

2 votes
1 answer
185 views

Zeros of polynomials in discretely ordered rings

1 vote
1 answer
250 views

Is the closure of a semialgebraic set mod 1 also semialgebraic?