MISCELLANEOUS MATHEMATICS; Q&A SITES   OCTOBER 19TH 2015
     



GENIET VAN DE GRILLIGHEID VAN ONTBINDING IN FACTOREN
ENJOY THE QUIRKINESS OF FACTORISATION


latest addition

  1,000,000 MINUS AND PLUS 1000  

  10,000,000 MINUS AND PLUS 1000  

  100,000,000 MINUS AND PLUS 1000  



2nd latest addition

REPUNITS EN VERWANTE GETALLEN IN HET TIENTALLIGE STELSEL
 REPUNITS AND RELATED NUMBERS IN THE DECIMAL SYSTEM
 




3rd latest addition  

DE PRIEMGETALLENSTELLING VAN EUKLIDES MET BEWIJS EN ILLUSTRATIES
EUCLID'S PRIME NUMBER THEOREM WITH PROOF AND ILLUSTRATIONS 

geen enkele eindige verzameling priemgetallen bevat alle priemgetallen
no finite set of prime numbers contains all prime numbers
 http://en.wikipedia.org/wiki/Infinitude_of_primes 


VERKENNING VAN GROTE GEHELE GETALLEN IN FreePascal
EXPLORATION OF LARGE INTEGERS IN FreePascal


4,000,000,000 MINUS AND PLUS 500  -  FreePascal LongWord


1,000,000,000,000,000 MINUS AND PLUS 50  -  FreePascal QWord


1,000,000,000,000,000 MINUS AND PLUS 500  -  FreePascal QWord


HET 25e UUR: MET AUTO-SCROLL TE DRAAIEN VAN 24:00 TOT 25:00 MET EEN REGEL PER SECONDE
THE 25th HOUR: TO RUN BY AUTO-SCROLL FROM 12:00 AM UNTIL 1:00 AM AT ONE LINE PER SECOND


DE JAREN VAN ONZE VOOROUDERS, VAN ONSZELF EN VAN ONZE NAKOMELINGEN
THE YEARS OF OUR ANCESTORS, OF OURSELFVES AND OF OUR OFFSPRING


HET MILLENNIUM VAN HET BEEST / THE MILLENNIUM OF THE BEAST


TAKE FIVE: FIVE DIFFERENT PRIME FACTORS   (INTERVAL 100,100,000  TO  100,200,000)


DENK AAN DE KLOOF  /  MIND THE GAP
(the first interval wider than 100 and the largest interval within the turbo-pascal longint range)
( source: http://primes.utm.edu/notes/gaps.html )


MIND THE 381-GAP   -  MIND THE 905-GAP

selections from the 905-gap

905-GAP: ONLY THE 2-DIFFERENT-FACTOR NUMBERS  -  905-GAP: ONLY THE 8-DIFFERENT-FACTOR NUMBERS
905-GAP: ONLY THE 8-NOT-NECESSARILY-DIFFERENT-FACTOR NUMBERS  -  905-GAP: ONLY THE NUMBERS WITH NO REPEATED PRIME FACTORS
(obtained with the FreePascal 64-bit version of the factorisation procedure)
( source: http://primes.utm.edu/notes/gaps.html )


ROLLING STOCK NUMBERS OF TRAINS, BUSES AND STREETCARS


YEARLY GOVERNMENTAL SUBSIDIES FOR NL MUSEUMS 2013-2016




A Collection of Algebraic Identities by Tito Piezas III   

Textbook: Introduction to Real Analysis by William F. Trench, Mathematics Department of Trinity University at San Antonio, Texas  
(many useful links at W.F.Trench's web page)

Course on Elliptic Curves by Helena A. Verrill at Math Department of Louisiana State University  -  (other courses by Helena A. Verrill)  

Website "Multiplication by Infinity"; search for "Euler's Identity" to arrive at http://tetrahedral.blogspot.com/2011/01/our-jewel-eulers-formula-and-eulers.html; then search for "animation" to arrive at a most beautiful illustration of "exp(pi.i)= minus 1"
Animation also present at Wikipedia: http://en.wikipedia.org/wiki/Euler%27s_formula  

http://mathoverflow.net/
 -  Vraagbaak voor wiskundige onderzoekkwesties - niet voor huiswerk  /  Q&A site for mathematics research questions - not for homework: read http://mathoverflow.net/faq  

Earliest known uses of some terms and symbols of mathematics  -  part of Jeff Miller's website

Cleve Moler and Charles van Loan:
Nineteen dubious ways to compute the exponential of a matrix, twenty-five years later.
SIAM Review vol 45, 2003, number 1, p 1- 46

The inverse Galois problem for cubic and quartic equations:
(see thread in The Math Forum @ Drexel)
Fritz Seidelmann: Die Gesamtheit der kubischen und biquadratischen Gleichungen mit Affekt bei beliebigem Rationalitätsbereich.
Ph.D. thesis 1916 Friedrich-Alexanders-Universität Erlangen  -  Formula sheet at page 42 with explanation at page 41

Prime factors and their exponents in the sporadic finite simple groups - with links to the English Wikipedia

Notable Properties of Specific Numbers by Robert Munafo

All divisors of an integer and its factorisation - Javascript program - about the simplest one can think of !

The Coxeter Legacy (AMS 2006)

CALABI - YAU MANIFOLDS;  QUINTIC THREEFOLD;  2875, 609250, 317206375 ETC.
CALABI - YAU MANIFOLDS  in  Scholarpedia.org

Denis Auroux, Department of Mathematics of the Massachusetts Institute of Technology:
18.969 - Topics in Geometry - Spring 2009, Tue Feb 24, Tue Mar 3, Thu Mar 5, Tue Mar 10 2009

Luboš Motl's mathematics weblog - Modular functions and elliptic genus

James McKernan, Department of Mathematics of the University of California, Santa Barbara :
Course on Complex Algebraic Geometry (2005)  -  home page  -  directory list


50 JAAR NEDERLANDSE ALGORITHMEN  -  18 APRIL 2009  -  TUE copy  -  local copy 

P.H.Schoute: On the relation between the vertices of a definite sixdimensional polytope and the lines of a cubic surface. 
KNAW
Proceedings, 13 I, 1910, Amsterdam, 1910, pp. 375-383
All papers by P.H.Schoute in KNAW Proceedings  
 

RECHNER ONLINE - NUETZLICHE RECHNER  -  among others:
Funktionsgraphen / Graphic function plots
Formelsammlung / Collection of formulae

http://world.std.com/~reinhold/BigNumCalc.html Big Number Calculator Applet by Arnold Reinhold, diceware.com, Rev 0.9
 


FOURIER TRANSFORM TUTORIAL  -  related websites:

http://ccrma-www.stanford.edu/~jos/mdft/
http://cnx.org/content/col10064/latest/


Article: Zeros of polynomials with 0, 1 coefficients
See John Baez's TWF nr 285 of Dec 5 2009.
(December 9th 2009)

M.Hermite: Remarques sur un mémoire de M.Cayley relatif aux déterminants gauches

Linear independence of radicals  
(March 4th 2009)

VisualizingQuaternions-URLs.txt
(March 20th 2008)

On Conway's group Co0:
Nick Patterson: Thesis
- Misc
(May 25th 2008)