Wikipedia:Reference desk/Archives/Mathematics/August 2010

= August 1 = Reference_desk/Archives/Mathematics/2010 August 1


 * 1) General topology, ultrafilters and maximal Ideals
 * 2) Mapping R3 onto itself
 * 3) arithmetic-geometric means
 * 4) Summation Convention

= August 2 = Reference_desk/Archives/Mathematics/2010 August 2


 * 1) The Generalised Solution to All Problems.
 * 2) Amazing! OMG!
 * 3) mathematics
 * 4) Graph of (-2) to the power of n
 * 5) Betting on the ponies
 * 6) Constrained optimization problem

= August 3 = Reference_desk/Archives/Mathematics/2010 August 3


 * 1) The Stone-Cech Compactification of a topological space
 * 2) number of total order relations
 * 3) Ambiguity in Number Theory
 * 4) matrix maximizing algorithm
 * 5) Tensor product
 * 6) Polychora
 * 7) LaTeX, more than one line of stuff underneath something

= August 4 = Reference_desk/Archives/Mathematics/2010 August 4


 * 1) The Stone Cech Compactification
 * 2) {Ø}
 * 3) Geometry problem
 * 4) Sloppy Notation?
 * 5) Homeomorphisms of R 3

= August 5 = Reference_desk/Archives/Mathematics/2010 August 5


 * 1) Countable Compact Connected Hausdorff Space
 * 2) how "unpredictable enough" system is useful?
 * 3) creating diagonal matrix with only basic operations?
 * 4) Conjectures
 * 5) Axiom of choice again
 * 6) Equivalence relation and partitions

= August 6 = Reference_desk/Archives/Mathematics/2010 August 6


 * 1) Empirical maximum likelihood problem
 * 2) Bessel's correction
 * 3) Define a Pseudo-topology

= August 7 = Reference_desk/Archives/Mathematics/2010 August 7


 * 1) Solve this equation
 * 2) vectors
 * 3) What is Cr topology and Cr distance in the space of differentiable maps Cr(M,N)
 * 4) Probability question
 * 5) Strange notation

= August 8 = Reference_desk/Archives/Mathematics/2010 August 8


 * 1) What is Cr norm of the space of maps from X to Y
 * 2) elliptic curves
 * 3) Simple Set Theory

= August 9 = Reference_desk/Archives/Mathematics/2010 August 9


 * 1) Stone-Cech Compactification
 * 2) Total differential
 * 3) what's wrong with this proof?
 * 4) P versus NP problem for dummies

= August 10 = Reference_desk/Archives/Mathematics/2010 August 10


 * 1) Different groups with the same order signature
 * 2) E-books
 * 3) Name of function
 * 4) Transforming a principal stress tensor to maximum shear stress tensor?
 * 5) Irreducible polynomial over the rationals
 * 6) Divergence Theorem
 * 7) Hyperbolas

= August 11 = Reference_desk/Archives/Mathematics/2010 August 11


 * 1) Tricky complex number / infinite series problem
 * 2) Duality (order theory)
 * 3) Puzzle Cube solutions

= August 12 = Reference_desk/Archives/Mathematics/2010 August 12


 * 1) Efficiency of a factorization algorithm
 * 2) Spaces of Countable tightness - Is the following example OK?
 * 3) Pearson product-moment correlation coefficient
 * 4) Quadrilateral proof
 * 5) Proof that P != NP
 * 6) Strong Convergence of Operators
 * 7) family of hyperplanes

= August 13 = Reference_desk/Archives/Mathematics/2010 August 13


 * 1) Mathematicians and Math (What's the deal?)
 * 2) permutations and combination
 * 3) Unsolved problems
 * 4) Topological 'closeness'

= August 14 = Reference_desk/Archives/Mathematics/2010 August 14


 * 1) Cardinality of Topology
 * 2) Rings, subfields and integral domains

= August 15 = Reference_desk/Archives/Mathematics/2010 August 15


 * 1) Math Child Prodigies of 21st Century
 * 2) Partial fractions
 * 3) Rearranging a formula - getting confused!
 * 4) Pivoting

= August 16 = Reference_desk/Archives/Mathematics/2010 August 16


 * 1) trying to compare homicides
 * 2) Laurent Series for ln(z) in annulus around z=0?
 * 3) SO(n) vs Spin group
 * 4) Some notions in topology
 * 5) correlation conundrum
 * 6) Identifying Multiples of low primes

= August 17 = Reference_desk/Archives/Mathematics/2010 August 17


 * 1) Starting values for Root-finding algorithms (polynomials)
 * 2) integral of sinx cosx
 * 3) Simple math problem

= August 18 = Reference_desk/Archives/Mathematics/2010 August 18


 * 1) Optics: 35mm focal length equivalent
 * 2) Asymptotic order
 * 3) Space Curves

= August 19 = Reference_desk/Archives/Mathematics/2010 August 19


 * 1) Best Mathematicians of 2010
 * 2) Is the argument of a given unary function a singleton?
 * 3) Monoliths in 2001:A Space Odyssey
 * 4) Good estimation of number of divisors d(n)
 * 5) Nowhere dense subsets

= August 20 = Reference_desk/Archives/Mathematics/2010 August 20


 * 1) How do you write this augmented matrix in reduced row echelon form?
 * 2) Comprehensive Linear Algebra Book With Relations To Other Branches of Mathematics
 * 3) simultaneous equation
 * 4) Yoplait Yogurt commercial
 * 5) Irreducible polynomials and the tower law

= August 21 = Reference_desk/Archives/Mathematics/2010 August 21


 * 1) A function
 * 2) Graphically plotting a flight course
 * 3) Hiya!

= August 22 = Reference_desk/Archives/Mathematics/2010 August 22


 * 1) arithmetic progressions and primes
 * 2) Divergent Series

= August 23 = Reference_desk/Archives/Mathematics/2010 August 23


 * 1) Logic puzzles
 * 2) The Cantor Cube
 * 3) PhD in Math
 * 4) Convex subnetwork?
 * 5) Magicicada lovers...
 * 6) Puzzles

= August 24 = Reference_desk/Archives/Mathematics/2010 August 24


 * 1) A term
 * 2) Set formula conversion
 * 3) Quaternion question

= August 25 = Reference_desk/Archives/Mathematics/2010 August 25


 * 1) Help on ACT/SAT math
 * 2) here's the non-answer, what is the question?
 * 3) Line integrals

= August 26 = Reference_desk/Archives/Mathematics/2010 August 26


 * 1) Volume of revolution
 * 2) Inclined sit-up
 * 3) Optimal decision making under uncertainty.
 * 4) Assigning probabilities to curve fittings
 * 5) how to integrate 1/(1+cosx)?
 * 6) differential equation

= August 27 = Reference_desk/Archives/Mathematics/2010 August 27


 * 1) Semicircles problem
 * 2) Oldest open problem
 * 3) sin(ln(z)) in annulus around z=0
 * 4) Roots of unity for non-integer exponents
 * 5) Non atomic poset
 * 6) partial derivative
 * 7) Calculus on science desk: atmospheric carbon scenario difference projections
 * 8) mgf of the square of a standard normal random variable

= August 28 = Reference_desk/Archives/Mathematics/2010 August 28


 * 1) A geometric sequence
 * 2) Proper Form for Factoring Polynomial

= August 29 = Reference_desk/Archives/Mathematics/2010 August 29


 * 1) linear transformation of standard normal random variables
 * 2) Euler-Maruyama and Milstein schemes
 * 3) Trig Question
 * 4) http://en.wikipedia.org/wiki/Wikipedia:RDMA#Semicircles_problem

= August 30 = Reference_desk/Archives/Mathematics/2010 August 30


 * 1) Graph question
 * 2) Magic Numbers

= August 31 = Reference_desk/Archives/Mathematics/2010 August 31


 * 1) conditional probabilities
 * 2) Which experiment is the best to perform?
 * 3) May I ask a silly question; regarding the Calandar and how we work-out rates to pay ?
 * 4) Random permutation
 * 5) Elementary number theory problem