Wikipedia:Reference desk/Archives/Mathematics/October 2018

= October 1 = Reference_desk/Archives/Mathematics/2018 October 1


 * 1) What's the approximate natural density of even natural numbers where all these are true?

= October 2 = Reference_desk/Archives/Mathematics/2018 October 2


 * 1) Perfect games

= October 5 = Reference_desk/Archives/Mathematics/2018 October 5


 * 1) Semiprime Density

= October 6 = Reference_desk/Archives/Mathematics/2018 October 6


 * 1) Definition of "group"

= October 7 = Reference_desk/Archives/Mathematics/2018 October 7


 * 1) Complete stepping-on sequences

= October 10 = Reference_desk/Archives/Mathematics/2018 October 10


 * 1) Limit question

= October 18 = Reference_desk/Archives/Mathematics/2018 October 18


 * 1) Rings with characteristic a prime power
 * 2) Calculator language

= October 20 = Reference_desk/Archives/Mathematics/2018 October 20


 * 1) Traveling salesman problem, (tsp)

= October 21 = Reference_desk/Archives/Mathematics/2018 October 21


 * 1) Helix rod geometry

= October 22 = Reference_desk/Archives/Mathematics/2018 October 22


 * 1) Infinite group containing all finite groups

= October 30 = Reference_desk/Archives/Mathematics/2018 October 30


 * 1) RSA type challenges other than factoring