Wikipedia:Reference desk/Archives/Mathematics/August 2012

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August 1

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 2

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

August 3

Wikipedia: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

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 6

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

August 7

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 7

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

August 8

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 9

1. Lower bound on Kolmogorov complexity

August 10

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 11

1. Definition of modulo congruence on rational numbers

August 12

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 12

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

August 13

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 13

1. Hyperball cutting fractions.

August 14

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 14

1. Convergence Question
2. Example of Limitation of Riemann integration

August 15

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 18

1. Equilateral triangle
2. Algorithum for fights

August 19

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 20

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

August 21

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 21

1. Link to a result

August 22

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 22

1. Kolmogorov Complexity
2. Riemann's integral from infinity to infinity

August 23

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 24

1. Maths Difficulty

August 25

Wikipedia: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

Wikipedia: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

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 27

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

August 28

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 28

1. Is this a Topology?
2. 20.

August 29

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 29

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

August 30

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 30

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

August 31

Wikipedia:Reference_desk/Archives/Mathematics/2012 August 31

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