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Top Questions
17
votes
How are eigenvalues and eigenvectors affected by adding the all-ones matrix?
linear-algebra
sp.spectral-theory
eigenvalues
asked Jul 6, 2016 at 20:26
mathoverflow.net
10
votes
When is a bilinear form equivalent to a trace form?
linear-algebra
galois-theory
fields
quadratic-forms
asked Jan 28, 2018 at 23:04
mathoverflow.net
10
votes
Explicit family of number rings $\mathcal{O}_{K_n}$ requiring $n$ generators?
reference-request
algebraic-number-theory
number-fields
asked Sep 21, 2018 at 22:37
mathoverflow.net
8
votes
How to stop Overleaf adding the ending symbols to $ and [
editors
sharelatex
overleaf
asked Feb 8, 2019 at 19:44
tex.stackexchange.com
8
votes
questions about double centralizer theorem
abstract-algebra
representation-theory
division-algebras
asked Apr 10, 2017 at 22:58
math.stackexchange.com
7
votes
Why is this cubic polynomial generic for cyclic field extensions?
galois-theory
algebraic-curves
arithmetic-geometry
galois-cohomology
asked May 26, 2017 at 16:20
math.stackexchange.com
7
votes
Cyclic Artin-Schreier-Witt extension of order $p^2$
field-theory
galois-theory
positive-characteristic
asked Mar 8, 2018 at 1:46
math.stackexchange.com
7
votes
Intersection of free/affine submodules, comparison with vector spaces
reference-request
ac.commutative-algebra
modules
asked Jul 8, 2018 at 22:22
mathoverflow.net
7
votes
Why is the fundamental group a sheaf in the etale topology?
algebraic-geometry
galois-theory
fundamental-groups
arithmetic-geometry
grothendieck-topologies
asked Aug 25, 2016 at 13:23
math.stackexchange.com
7
votes
Geometric object corresponding to subalgebra generated by an ideal?
ag.algebraic-geometry
ac.commutative-algebra
asked Jan 14, 2018 at 20:54
mathoverflow.net
1
2
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Top Answers
7
Examples of common false beliefs in mathematics
mathoverflow.net
5
Is topology used outside of cosmology in philosophy?
philosophy.stackexchange.com
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