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johndoe
  • Member for 11 years, 5 months
  • Last seen more than 7 years ago
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17
Co-Hausdorffification
Jan 30, 2015
answer
9
Lorentzian metrics on the torus up to continuos deformations
Feb 11, 2015
question
4
Is a concretely reflective full concrete subcategory necessarily finally dense?
Jan 22, 2015
answer
2
why is this a sufficient condition for a domain to be a core of an unbounded operator?
Sep 9, 2013
answer
2
Spin structures and divisibility of cohomology classes
Sep 24, 2013
question
1
Non-compact structure group and compactly supported gauge transformations
Jul 4, 2013
question
1
Topological characterisation of loop spaces
Dec 11, 2014
answer
1
Duality relations for Lebesgue spaces of sections of vector bundles
Aug 6, 2013
answer
1
Lorentzian metrics on a disk up to conformal equivalence
Aug 22, 2013
answer
1
Are there examples of compact infinite dimensional manifolds?
Oct 25, 2013
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14
Exercise 1.1.3 in Charles Weibel’s book “An Introduction to Homological Algebra”
11
Group actions and associated bundles
6
Bundle Automorphisms, Structure Groups and Gauge Groups
6
What is the dimension of this Grassmannian?
5
Weaker notion of first-countability for filters?