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bof
  • Member for 10 years, 4 months
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50 votes

Mathematicians with both “very abstract” and “very applied” achievements

38 votes

Mathematicians with both “very abstract” and “very applied” achievements

35 votes

What is the general opinion on the Generalized Continuum Hypothesis?

27 votes

Widely accepted mathematical results that were later shown to be wrong?

22 votes
Accepted

An unfair marriage lemma

21 votes
Accepted

Parity and the Axiom of Choice

18 votes
Accepted

Avoiding countable subgroups of general uncountable groups

17 votes

Does the symmetric group on an infinite set have a minimal generating set?

15 votes

PhD dissertations that solve an established open problem

15 votes

In a topological space if there exists a loop that cannot be contracted to a point does there exist a simple loop that cannot be contracted also?

15 votes

Class of lattices that excludes $M_3$?

14 votes

Countably representing all closed sets of positive measure

13 votes

What is the most "concrete-feeling" equivalent formulation of the Continuum Hypothesis that you can think of?

13 votes
Accepted

Family of sets with a covering property

13 votes
Accepted

A reference to infinite version of the Sunflower Lemma

12 votes
Accepted

Refining topologies to make them Hausdorff

12 votes

Totally disconnected locally compact Hausdorff spaces

12 votes

Not especially famous, long-open problems which anyone can understand

12 votes
Accepted

Size of maximal intersecting families

11 votes
Accepted

Is every homogeneous poset a lattice?

11 votes

Let $R, S$ be infinite sets. Alice and Bob will play a game over $R\times S$

11 votes
Accepted

What are Moschovakis cardinals?

11 votes

Publishing conjectures

11 votes
Accepted

Singular cardinal $\kappa$ with projective plane such that all edges have cardinality $<\kappa$

10 votes

Can the real line be embedded in a space $X$ such that all the nonempty open subsets of $X$ are homeomorphic?

10 votes

Examples of simultaneous independent breakthroughs

10 votes

Renaud-Sarvate limitation on Frankl's Conjecture

10 votes
Accepted

How to show that the chromatic number > aleph_0

10 votes
Accepted

Progress on determining which partial orders embed into the rationals

9 votes
Accepted

Cofinal rectangles in poset

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