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Dan Rust's user avatar
Dan Rust
  • Member for 12 years, 5 months
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Lecturer - Open University, UK

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question
160
Slice of pizza with no crust
Sep 1, 2013
question
99
Geometric way to view the truncated braid groups?
Jun 3, 2013
answer
60
An intuitive idea about fundamental group of $\mathbb{RP}^2$
May 6, 2013
answer
47
Does $G\cong G/H$ imply that $H$ is trivial?
Sep 11, 2013
answer
46
Unit sphere in $\mathbb{R}^\infty$ is contractible?
Jan 19, 2013
answer
44
What is the mathematical significance of Penrose tiles?
May 6, 2014
answer
42
What are the most overpowered theorems in mathematics?
Nov 7, 2013
question
37
Homeomorphic to the disk implies existence of fixed point common to all isometries?
Sep 20, 2013
answer
37
Example of a non-hausdorff space
Dec 17, 2013
question
31
Does taking the direct limit of chain complexes commute with taking homology?
May 24, 2013
Top Meta posts
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Examples of poor review audits
17
Amusing bug involving Arabic usernames
16
How to ask a question when the asker thinks he/she knows the answer?
13
Do we need a vector-space-isomorphism tag?
10
comment / answer dilemma from the commentator point of view
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Can the n-string sphere braid group embed in to the (n+1)-string sphere braid group?
16
Name of this interesting variant of Tic-tac-toe?
15
Relation Between Truncated Braid Groups and Regular Tilings of the Complex and Hyperbolic Plane
7
Distribution over Penrose Tilings?
7
Open problems in symbolic dynamics