Wikipedia:Reference desk/Archives/Mathematics/December 2017

= December 4 = Reference_desk/Archives/Mathematics/2017 December 4


 * 1) Subring of prime ring
 * 2) No LaTeX phantom in WP? Work around?

= December 5 = Reference_desk/Archives/Mathematics/2017 December 5


 * 1) Matching birthdays
 * 2) Successor function paradox loop?

= December 6 = Reference_desk/Archives/Mathematics/2017 December 6


 * 1) A question about a countable bijection
 * 2) Two questions about density

= December 8 = Reference_desk/Archives/Mathematics/2017 December 8


 * 1) Three-way vertex query

= December 9 = Reference_desk/Archives/Mathematics/2017 December 9


 * 1) Sines in a triangle

= December 10 = Reference_desk/Archives/Mathematics/2017 December 10


 * 1) Roulette

= December 12 = Reference_desk/Archives/Mathematics/2017 December 12


 * 1) Cheryl’s Birthday

= December 13 = Reference_desk/Archives/Mathematics/2017 December 13


 * 1) Infinite Product

= December 14 = Reference_desk/Archives/Mathematics/2017 December 14


 * 1) Notation for applying function to series
 * 2) Drawing ellipse, from angled cylinder

= December 15 = Reference_desk/Archives/Mathematics/2017 December 15


 * 1) colorize equations for better comprehension

= December 16 = Reference_desk/Archives/Mathematics/2017 December 16


 * 1) 4 sided die procedure.

= December 17 = Reference_desk/Archives/Mathematics/2017 December 17


 * 1) What is the expected ratio of long "stick" to short "stick"?
 * 2) Three questions
 * 3) Converting sources of uniform random integers
 * 4) Group theory question

= December 19 = Reference_desk/Archives/Mathematics/2017 December 19


 * 1) Are these groups isomorph to $(Bbb Q,+)$
 * 2) What is a lampshade?

= December 20 = Reference_desk/Archives/Mathematics/2017 December 20


 * 1) Average sequences
 * 2) Infinite Product(2)

= December 21 = Reference_desk/Archives/Mathematics/2017 December 21


 * 1) Texas Hold 'em question...

= December 23 = Reference_desk/Archives/Mathematics/2017 December 23


 * 1) Union of half planes in linear programing
 * 2) Number of correct decimal digits when evaluating $pi$
 * 3) Can I take apply to the University of Cambridge

= December 25 = Reference_desk/Archives/Mathematics/2017 December 25


 * 1) integration

= December 27 = Reference_desk/Archives/Mathematics/2017 December 27


 * 1) What is the probability that a prisoner will be set free?
 * 2) homotopy books
 * 3) Five-suit poker probabilities

= December 28 = Reference_desk/Archives/Mathematics/2017 December 28


 * 1) Untitled question
 * 2) When did the last country switch to Western-looking numerals?

= December 30 = Reference_desk/Archives/Mathematics/2017 December 30


 * 1) What is the minimum amount of information to rotate a point in 3D Cartesian space?
 * 2) Why is the interval when a < b and a,b real numbers then [b,a]=[a,a)=(a,a]=(a,a)=empty set?