Wikipedia:Reference desk/Archives/Mathematics/September 2016

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September 1

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 1

1. Great circles, rhumb lines, isoazimuth
2. Paris–Harrington theorem

September 2

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 2

1. an oblique kind of distance formula

September 3

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 3

1. Minimal Model, with regard to Peano system:

September 4

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 4

1. Translation of Bourbaki to English
2. Binomial distribution

September 5

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 5

1. piecewise polynomial least squares, the sequel
2. Compactness Theorem and Model theory:

September 6

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 6

1. Geometry problem

September 7

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 7

1. Model theory:
2. Consequences of a model hypothesis
3. Change of orbital parameters of Moon

September 8

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 8

1. Model theory

September 9

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 9

1. Triangle inequality in ultrametric spaces
2. Description of an inequality

September 10

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 10

1. Integral of inverse cotangent

September 12

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 12

1. Factorial and the normalized sinc function
2. Cardinality of vector space dimensions

September 13

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 13

1. What is the zero root of 10
2. Functionals, functional derivatives, functional integration and functional equations

September 16

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 16

1. 2i to the power of 4n

September 19

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 19

1. Sets where lots of numbers can be added to themselves or multiplied by themselves with the same result

September 20

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 20

1. February 29
2. General definition of addition and multiplication
3. Convert floating point to alphanumeric

September 21

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 21

1. Uniform continuity

September 24

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 24

1. Injective and surjective polynomials

September 26

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 26

1. Additive group homomorphisms of vector spaces which are not linear maps
2. A question on Geometry
3. At what times do the minute and hour hands of a clock make a straight line?

September 29

Wikipedia:Reference_desk/Archives/Mathematics/2016 September 29

1. For which $alphainmathbb{R}^{+}$ does $sum_{n=0}^{infty}(-1)^{n}frac{x^{n}}{n!^{alpha}}$ tend to zero for $xtoinfty$?
2. Crocodile problem: are all these solutions right and acceptable in an exam?