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Polynomial representing all nonnegative integers

nt.number-theory

jan 10 at 21:32 Ilya Nikokoshev 5,908●1●7●32

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29

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2

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Collapsible group words

gr.group-theory co.combinatorics

feb 15 at 21:22 Erik Demaine 79●1

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Smooth proper scheme over Z

ag.algebraic-geometry nt.number-theory

jan 8 at 14:01 Pete L. Clark 13.7k●1●21●76

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Is every curve birational to a smooth affine plane curve?

algebraic-curves ag.algebraic-geometry

dec 24 at 7:59 Maharana 671●1●9

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Strong induction without a base case

co.combinatorics examples mathematics-education

jan 21 at 12:38 Ravi Boppana 1●1

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Experimental Mathematics

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Polynomial with the primes as coefficients irreducible?

21

Expected determinant of a random NxN matrix.

20

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20

Question about polynomials with coefficients in Z

20

Order of the Tate-Shafarevich group

18

Everywhere locally isomorphic abelian varieties

17

When f(x)-a and f(x)-b yield the same field extension

17

Are there any nonlinear solutions to f(x+1) - f(x) = f'(x)?

17

Size of the smallest group not satisfying an identity.

17

Is there a matrix C so that the trace of C^n is dense in R?

16

Intuition for the last step in Serre’s proof of the three-squares theorem

16

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16

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15

Are most cubic plane curves over the rationals elliptic?

13

Roots of truncations of e^x - 1

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Irreducible polynomials with constrained coefficients

13

When a formal power series is a rational function in disguise

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A two-variable Fourier series and a strange integral

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12

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11

alternative construction of the quotient group

11

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11

Variants of Waring’s problem

11

non principally polarized complex abelian varieties

11

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11

Finite interpolation by a nondecreasing polynomial

10

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462

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Questions

Polynomial representing all nonnegative integers

Collapsible group words

Smooth proper scheme over Z

Is every curve birational to a smooth affine plane curve?

Strong induction without a base case

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