Mathematics
N Unnikrishnan's user avatar
N Unnikrishnan's user avatar
N Unnikrishnan's user avatar
N Unnikrishnan
  • Member for 9 years, 6 months
  • Last seen this week
  • India
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All Questions Answers
Score Newest
question
7
When is a group the product of its subgroup and their factor group?
Feb 10, 2015
question
5
Are there fields and ordered fields of every infinite cardinality?
Jan 11, 2015
question
4
What are the $n$th roots of the identity function?
Jun 21, 2014
question
4
Which sets occur as boundaries of other sets in topological spaces?
Jun 23, 2014
question
3
Is the normed space of all bounded functions under the supremum norm isomorphic to $L^ \infty$?
Sep 10, 2016
answer
1
Which sets occur as boundaries of other sets in topological spaces?
Jul 13, 2014
question
0
Is the disc minus two holes homotopy equivalent to the disc minus a wedge sum of two holes?
Jul 6, 2017
Top network posts
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41
Which groups can occur as the quotient of a group by its centre?
38
Why didn't Dumbledore just hunt Voldemort down?
38
What was Sirius' way of tackling dragons?
36
Why should the Horcruxes be destroyed first?
32
What is the geometry of the universe in "The Wall of Darkness" by Arthur C Clarke?

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