Wikipedia:Reference desk/Archives/Mathematics/October 2023

= October 1 = Reference_desk/Archives/Mathematics/2023 October 1


 * 1) Proving n-gons congruent
 * 2) Does -1 have any square root in split-complex number?
 * 3) Domino tiling
 * 4) What are all possible graphs of ax^2+by^2+cz^2+dxy+exz+fyz+gx+hy+iz+j=0?
 * 5) Put the pieces on a board with no piece threaten each other
 * 6) Schinzel's hypothesis H#An analogue that fails
 * 7) Does the sum of the reciprocals of all primes starting with 7 and ending with 7 in base 10 diverge?

= October 8 = Reference_desk/Archives/Mathematics/2023 October 8


 * 1) Does every closed plane curve admit a Jordan subcurve?
 * 2) 39 is the thirteenth...
 * 3) Integration

= October 9 = Reference_desk/Archives/Mathematics/2023 October 9


 * 1) Name of a theorem

= October 12 = Reference_desk/Archives/Mathematics/2023 October 12


 * 1) algebraic vs. projective

= October 18 = Reference_desk/Archives/Mathematics/2023 October 18


 * 1) What is the fewest number of symbols mathematics actually needs?

= October 21 = Reference_desk/Archives/Mathematics/2023 October 21


 * 1) Under which conditions does the Aumann theorem hold?

= October 22 = Reference_desk/Archives/Mathematics/2023 October 22


 * 1) Scalene equilateral polygons

= October 23 = Reference_desk/Archives/Mathematics/2023 October 23


 * 1) Venn diagram
 * 2) Separated to n figures which are congruent
 * 3) Can a(5), a(6), … in these sequences be written as expressions involving integers and the operations of addition, subtraction, multiplication, division, and the extraction of roots?

= October 24 = Reference_desk/Archives/Mathematics/2023 October 24


 * 1) Singular Vector of Scatter Plot

= October 26 = Reference_desk/Archives/Mathematics/2023 October 26


 * 1) A particular type of algebraic structure
 * 2) Notation

= October 30 = Reference_desk/Archives/Mathematics/2023 October 30


 * 1) Convert tex file to svg