MathOverflow

Nice Question

 Nice Question
Question score of 10 or more. This badge can be awarded multiple times.

earned this badge 36 times.
Can we invert barycentric subdivision?
Awarded Oct 6, 2023 at 1:55
Computing K-theory for cellular vector bundles
Awarded Jan 23, 2023 at 19:41
For which metric spaces is Gromov-Hausdorff distance actually achieved?
Awarded Oct 18, 2021 at 11:13
Are functor categories with triangulated codomains themselves triangulated?
Awarded Dec 17, 2020 at 7:04
When is the infimum of an arbitrary family of measurable functions also measurable?
Awarded Jul 24, 2020 at 15:05
What are the homological properties of Young's lattice?
Awarded Oct 26, 2018 at 6:50
Localizing 2-categories about a single morphism
Awarded Nov 27, 2017 at 0:52
Moduli space of boundary maps with prescribed chain and homology groups?
Awarded Sep 17, 2015 at 18:46
Fundamental groups of reduced subgroup lattices
Awarded Jul 30, 2013 at 13:11
How does it End?
Awarded Jul 9, 2013 at 21:08
When does localization preserve homotopy type of classifying spaces?
Awarded Jul 8, 2013 at 8:31
When does a pair of homotopic Lipschitz functions fail to admit a Lipschitz homotopy?
Awarded Jul 7, 2013 at 0:10
How often do people read the work that they cite?
Awarded Jun 22, 2013 at 16:50
Origins of the Nerve Theorem
Awarded Jun 19, 2013 at 3:50
What information can one recover from the induced map on homology?
Awarded May 4, 2013 at 15:50
Combinatorial analogues of curvature
Awarded Apr 20, 2013 at 3:50
Raoul Bott's quote on Morse Theory cited by Bestvina and Kahle: where is it from?
Awarded Mar 19, 2013 at 9:05
Why are ring actions much harder to find than group actions?
Awarded Feb 13, 2013 at 7:50
Homology versus cohomology of Lie groups
Awarded Nov 22, 2012 at 23:50
(post deleted or otherwise unavailable)
Awarded Oct 27, 2012 at 16:05
How fast can we *really* multiply matrices?
Awarded Sep 17, 2012 at 17:19
How many simplicial complexes on n vertices up to homotopy equivalence?
Awarded Aug 30, 2012 at 4:35
Symmetric group action on squarefree polynomials
Awarded Aug 15, 2012 at 3:20
Is there a categorical treatment of dynamical systems?
Awarded Aug 11, 2012 at 4:05
The topology of Arithmetic Progressions of primes
Awarded Aug 6, 2012 at 1:20
Instances where an existence result precedes the constructive version
Awarded Jul 28, 2012 at 4:35
Can we actually find any fixed points with Brouwer's theorem?
Awarded Jul 19, 2012 at 14:20
What fraction of n x n invertible integer matrices contain at least one unit?
Awarded Jul 19, 2012 at 6:35
Which Abelian Group sequences arise as the Homology of Embedded CW Complexes?
Awarded Jul 12, 2012 at 15:50
Does the metric space of compact metric spaces satisfy the binary intersection property?
Awarded Jul 8, 2012 at 0:20
Measuring big stuff
Awarded Jul 7, 2012 at 20:20
Iterating Random Matrix Operations
Awarded Jul 6, 2012 at 22:35
Testing simplicial complexes for shellability
Awarded Jun 30, 2012 at 3:20
Is there a general theory of fiber theorems?
Awarded Jun 22, 2012 at 5:50
What fraction of n-point sets in the unit ball have diameter smaller than 1?
Awarded Jun 19, 2012 at 6:20
Are there "chain complexes" and "homology groups" taking values in pairs of topological spaces?
Awarded Jun 5, 2012 at 1:50

Others with this badge