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Q&A

General Q&A about all branches of theoretical and applied mathematics, including closely-adjacent sciences where the central question is about the math.

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85%
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83%
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Classification of topological points

1 answer  ·  posted 3y ago by celtschk‭  ·  last activity 3y ago by Technically Natural‭

81%
+7 −0
When and how should the $Z_n^2$ statistic be used?

1 answer  ·  posted 3y ago by HDE 226868‭  ·  last activity 2y ago by HDE 226868‭

80%
+6 −0
80%
+6 −0
What is special about the 11-cell and 57-cell?

1 answer  ·  posted 9mo ago by WheatWizard‭  ·  last activity 4mo ago by ziggurism‭

80%
+6 −0
Criteria for solvable Minesweeper game?

0 answers  ·  posted 9mo ago by Olin Lathrop‭  ·  edited 9mo ago by Olin Lathrop‭

80%
+6 −0
Why always rationalize a denominator?

3 answers  ·  posted 3y ago by msh210‭  ·  last activity 3y ago by Derek Elkins‭

80%
+6 −0
Discrete data: Graphs and skewness

2 answers  ·  posted 3y ago by Nezar ‭  ·  last activity 3y ago by 1muflon1‭

80%
+6 −0
80%
+6 −0
How to show if a set is simply connected?

1 answer  ·  posted 3y ago by kreijstal‭  ·  last activity 3y ago by Derek Elkins‭

80%
+6 −0
77%
+5 −0
Similar triangles with the same area

2 answers  ·  posted 3y ago by msh210‭  ·  last activity 3y ago by DonielF‭

77%
+5 −0
Which of the multiple definitions of correlation to use?

0 answers  ·  posted 3y ago by Mithrandir24601‭  ·  last activity 3y ago by r~~‭

77%
+5 −0
77%
+5 −0
Notation for one-sided hypothesis testing

1 answer  ·  posted 2y ago by tommi‭  ·  last activity 7mo ago by Glen_b‭

75%
+4 −0
75%
+4 −0
Intuitively, why's X% of Y = Y% of X?

1 answer  ·  posted 3y ago by Chgg Clou‭  ·  last activity 3y ago by celtschk‭

75%
+4 −0
75%
+4 −0
75%
+4 −0
In $P(X\leq q)$, what do we call $q$?

1 answer  ·  posted 3y ago by anoldmaninthesea‭  ·  last activity 3y ago by gramps‭

75%
+4 −0
Using maximum of forecasted values to forecast maximum

1 answer  ·  posted 3y ago by Guilherme Costa‭  ·  last activity 3y ago by Stephan Kolassa‭

75%
+4 −0
Optimising a 3 value problem (well 2 really)

1 answer  ·  posted 2y ago by KalleMP‭  ·  last activity 2y ago by Peter Taylor‭

75%
+4 −0
Missing a solution: Are A and B always equal if A-B=0

3 answers  ·  posted 2y ago by re89j‭  ·  last activity 2y ago by tommi‭