Wikipedia:Reference desk/Archives/Mathematics/July 2019

Welcome to the Wikipedia Mathematics Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.

July 2

Wikipedia:Reference_desk/Archives/Mathematics/2019 July 2

1. Why not the Platonic Solid dipyraminds?

July 6

Wikipedia:Reference_desk/Archives/Mathematics/2019 July 6

1. Describe the Kleisli category of the power-set monad as the category of "sets and relations"

July 13

Wikipedia:Reference_desk/Archives/Mathematics/2019 July 13

1. Wikipedia stats question

July 22

Wikipedia:Reference_desk/Archives/Mathematics/2019 July 22

1. Geometric significance of cross-ratio values

July 23

Wikipedia:Reference_desk/Archives/Mathematics/2019 July 23

1. Perfect numbers one less than primes

July 26

Wikipedia:Reference_desk/Archives/Mathematics/2019 July 26

1. Name for specific Octagrams?
2. n-body problem

July 29

Wikipedia:Reference_desk/Archives/Mathematics/2019 July 29

1. Shouldn't the sin of 90 degrees be undefined?
2. Gravity in a 4D universe