Wikipedia:Reference desk/Archives/Mathematics/August 2012

= August 1 = Reference_desk/Archives/Mathematics/2012 August 1


 * 1) Axioms for Euclidean geometry
 * 2) Factorization
 * 3) simple toy axiomatic system that something is true in?
 * 4) Mathematical terms in English

= August 2 = Reference_desk/Archives/Mathematics/2012 August 2


 * 1) Unprovable Problems
 * 2) Wiles' proof of Fermat's Last Theorem

= August 3 = Reference_desk/Archives/Mathematics/2012 August 3


 * 1) Name of a Logical Equivalence
 * 2) Can you tell if  a series of numbers is chaotic?

= August 4 = Reference_desk/Archives/Mathematics/2012 August 4


 * 1) Why can I not verify a straightforward divergence theorem? ? ??? ???? ??
 * 2) Quotient Spaces
 * 3) Percentage of silver and its weight in a mid-20th century US nickel

= August 5 = Reference_desk/Archives/Mathematics/2012 August 5


 * 1) Plane
 * 2) Meaning of a symbol
 * 3) Question about the meaning of another symbol
 * 4) Two questions (not homework)

= August 6 = Reference_desk/Archives/Mathematics/2012 August 6


 * 1) Bingo (U.S. & Canada) Question

= August 7 = Reference_desk/Archives/Mathematics/2012 August 7


 * 1) Eigencomposition of real, asymmetric tridiagonal matrices
 * 2) Rotational transformation on a map

= August 8 = Reference_desk/Archives/Mathematics/2012 August 8


 * 1) Stupid Universal Turing Machine
 * 2) one sided Mann-Whitney U test (distribution X > distribution Y)

= August 9 = Reference_desk/Archives/Mathematics/2012 August 9


 * 1) Lower bound on Kolmogorov complexity

= August 10 = Reference_desk/Archives/Mathematics/2012 August 10


 * 1) Kernel
 * 2) Name of squashed sphere?
 * 3) Dirac delta function
 * 4) p^2 | numerator of H_{p-1} for p a prime number larger or equal to 5

= August 11 = Reference_desk/Archives/Mathematics/2012 August 11


 * 1) Definition of modulo congruence on rational numbers

= August 12 = Reference_desk/Archives/Mathematics/2012 August 12


 * 1) Cutting a tesseract with realms, and so on
 * 2) Polychoron vertex figures

= August 13 = Reference_desk/Archives/Mathematics/2012 August 13


 * 1) Hyperball cutting fractions.

= August 14 = Reference_desk/Archives/Mathematics/2012 August 14


 * 1) Convergence Question
 * 2) Example of Limitation of Riemann integration

= August 15 = Reference_desk/Archives/Mathematics/2012 August 15


 * 1) Division by planes (generally)
 * 2) Expected value of half-normal sum?
 * 3) Maximum number of k-planes in n-space with the same mutual angle

= August 17 = Reference_desk/Archives/Mathematics/2012 August 17


 * 1) Stationary problems in time series
 * 2) Integration of sinh(ax)/(e^(bx)-1) dx from 0 to ∞

= August 18 = Reference_desk/Archives/Mathematics/2012 August 18


 * 1) Equilateral triangle
 * 2) Algorithum for fights

= August 19 = Reference_desk/Archives/Mathematics/2012 August 19


 * 1) Dirac
 * 2) Irregular Polyhedron
 * 3) Help me to calculate the amount of possibilities of a audio cd.
 * 4) A finite group

= August 20 = Reference_desk/Archives/Mathematics/2012 August 20


 * 1) Loan repayment problem
 * 2) coprime
 * 3) sin of integers (interesting problem)

= August 21 = Reference_desk/Archives/Mathematics/2012 August 21


 * 1) Link to a result

= August 22 = Reference_desk/Archives/Mathematics/2012 August 22


 * 1) Kolmogorov Complexity
 * 2) Riemann's integral from infinity to infinity

= August 23 = Reference_desk/Archives/Mathematics/2012 August 23


 * 1) quarter car
 * 2) Sampling for proportion: proportion of what?
 * 3) Every nonfinitely generated abelian group must contain one of...

= August 24 = Reference_desk/Archives/Mathematics/2012 August 24


 * 1) Maths Difficulty

= August 25 = Reference_desk/Archives/Mathematics/2012 August 25


 * 1) Reliability, validity, but what is more specific
 * 2) does requiring exactly one digit reduce or increase entropy?
 * 3) Dirichlet kernel
 * 4) Manifolds and implicit function theorem

= August 26 = Reference_desk/Archives/Mathematics/2012 August 26


 * 1) Rapidly oscillating function times a slowly oscillating function
 * 2) This integration question is taken from WP:WIKISPEAK
 * 3) calculating error of slope and intercept for ordinary least squares

= August 27 = Reference_desk/Archives/Mathematics/2012 August 27


 * 1) How do you show that two groups are not isomorphic
 * 2) Isomorphic
 * 3) Cosets

= August 28 = Reference_desk/Archives/Mathematics/2012 August 28


 * 1) Is this a Topology?
 * 2) 20.

= August 29 = Reference_desk/Archives/Mathematics/2012 August 29


 * 1) Interesting curves where θ = f(r) ?

= August 30 = Reference_desk/Archives/Mathematics/2012 August 30


 * 1) Every nonfinitely generated abelian group must contain one of... (resumed)

= August 31 = Reference_desk/Archives/Mathematics/2012 August 31


 * 1) volume
 * 2) Solving a summation
 * 3) compare all to all
 * 4) solutions to an assignment