Kevin Ventullo's user avatar
Kevin Ventullo's user avatar
Kevin Ventullo's user avatar
Kevin Ventullo
  • Member for 13 years, 11 months
  • Last seen more than a month ago
42 votes
Accepted

When is $n/\ln(n)$ close to an integer?

28 votes

Intuitive crutches for higher dimensional thinking

24 votes

The existence of non-trivial homomorphisms $\prod_{n=1}^{\infty}\mathbb{Z}/\bigoplus_{n=1}^{\infty}\mathbb{Z}\to\mathbb{Z}/p\mathbb{Z}$

19 votes
Accepted

The single-plus construction is not the left adjoint of the inclusion of separated presheaves?

17 votes
Accepted

Is every regular (excellent) scheme separated?

17 votes
Accepted

Seeking a Geometric Proof of a Generalized Alternating Series' Convergence

15 votes
Accepted

The Green-Tao theorem and positive binary quadratic forms

14 votes
Accepted

Does a graph with all vertex degrees divisible by 3 contain a cubic subgraph?

12 votes
Accepted

What is the spectrum of the ring of entire functions?

12 votes

Can one ignore primes lying over $l$ in the Fontaine-Mazur conjecture? Counterexamples?

12 votes
Accepted

Prime Decomposition in Cyclotomic Z_p-extensions

11 votes

What are the epimorphisms in the category of schemes?

11 votes
Accepted

Free resolution dimension?

11 votes
Accepted

Primes in a (commutative) Jacobson ring

11 votes

Examples where it's useful to know that a mathematical object belongs to some family of objects

9 votes

Where does the principal ideal theorem (from CFT) go?

7 votes
Accepted

Is a section of a proper map proper?

7 votes

Isogenous elliptic curve with integral j-invariant

7 votes
Accepted

Describing global sections of sheafifications

6 votes

Surjective implies local affine surjective?

6 votes
Accepted

Cardinality of the set of all paths in the infinite complete infinitary tree

6 votes
Accepted

The restriction of a global section which is not a zero divisor is still a non-zero divisor?

6 votes

Introduction to L-series and Dirichlet characters?

6 votes

Irreducibility of the $n$th symetric power of the reduction of the Galois representation of a non-CM newform

5 votes
Accepted

When does $P(a-b)=0$ for $a\ne b$ ensure $P(0)=0$?

4 votes

A Sketch of "Esquisse d'un Programme"

4 votes
Accepted

Eisenstein mod p Hilbert modular forms

4 votes
Accepted

Eisenstein series and overconvergence

4 votes
Accepted

About normal closure of cyclic subgroup

4 votes

Fields whose embeddings into the complex numbers are invariant under complex conjugation