Wikipedia:Reference desk/Archives/Mathematics/August 2013

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August 1

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 1

1. Brouwer's Fixed Point Theorem

August 2

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 2

1. For those that enjoys probability puzzles
2. orbifold questions

August 4

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 4

1. math
2. probability

August 5

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 5

1. 3D noughts and crosses
2. 10 9 20 8
3. Brass crosses, the sequel

August 7

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 7

1. Forecasting Return on Capital Employed

August 8

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 8

1. 2-minor of a 2×n matrix

August 9

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 9

1. DIfference of averages versus average of differences
2. Polynomial regression vs. Legendre polynomials

August 10

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 10

1. Seventeen or Bust question
2. Quadratic polynomial name

August 11

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 11

1. decimals
2. Can "n choose 4" be squarefree infinitely often?
3. NP-Complete?

August 12

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 12

1. Polynomial determinants

August 13

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 13

1. Odd sided fair die?
2. latex question

August 14

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 14

1. Schläfli symbol
2. Are there infinite axioms?
3. A deceptively simple statistics question

August 15

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 15

1. How does one define "symmetrized Kronecker product"
2. If the arithmetic mean of seven different numbers is 5...
3. Continued fraction types.

August 16

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 16

1. Fourier analysis

August 17

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 17

1. Laplacean correction for continuous variables

August 18

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 18

1. Asymptotic Problem
2. Intraconference/intradivisional scheduling as pairing off elements from different sets
3. Why do the combination of two negative signs give a positive result?
4. Continued product of (Pa*Pb-2)/(Pa*Pb)

August 20

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 20

1. Name for a particular type of hypercomplex number

August 21

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 21

1. Mathematical Fiction list?

August 22

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 22

1. Amateurs Publishing on Complicated Topics, Possible?
2. Upper bound on prime gaps?
3. How to retrieve the cartesian coordinates of a line of $R^{3}$ from its Plücker coordinates?

August 23

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 23

1. the shape of heart
2. Intersection of two "curves" question.

August 24

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 24

1. Symmetry groups
2. Rational solutions of x^y = y^x
3. Finding the root of a vector fixed point function

August 25

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 25

1. Integration
2. Čech Cohomology

August 26

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 26

1. Values of the arcsecant function
2. Limit of an (infinite) sum, and teaching a man how to fish
3. Definition of Division
4. Calculus - Function describing path of a car's back wheels.
5. Axioms for arithmetic

August 27

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 27

1. Finding the value of an angle involving inverse trigonometric function
2. Given that a = (500 000 - 1000b) / (1000 - b) has infinite solutions but only one pair for both a and b are integers...
3. Ambiguous probability question ?
4. Probability of making a type I error: not equal to alpha?

August 31

Wikipedia:Reference_desk/Archives/Mathematics/2013 August 31

1. Division with small numerator and huge denominator?
2. Capital omega of Catalan numbers