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Science Fiction & Fantasy
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R_D's user avatar
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R_D
  • Member for 7 years, 8 months
  • Last seen more than a month ago
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I am interested in Topology, Graphs and matrices

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Top posts
32
How did Ron give away the address to Shell cottage if Bill was secret keeper?
Nov 21, 2017
26
Why didn't Petunia know that Harry wasn't supposed to use magic out of school?
Oct 13, 2019
10
What is the job of a Hogwarts Headmaster/Headmistress?
Nov 14, 2017
9
Is the Avery who is Snape's friend a relative of Avery who is in Tom Riddle's circle?
Dec 13, 2019
8
How would Voldemort have drunk the elixir of life without a body?
Oct 8, 2019
5
Why did Harry resent Dumbledore at the beginning of Deathly Hallows?
Nov 14, 2017
0
Why do Harry and Hermione arrive at Buckbeak's execution time after using the time Turner?
Oct 27, 2019
Top network posts
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51
When is the image of a proper map closed?
43
What does it mean if my advisor decides to remove his name from a paper we co-authored?
42
Are professors required to perform research as a necessity to teaching?
12
How to show a straight line homotopy is continuous?
12
How to prove this is a fibre bundle?