I am director of tr(I). I work in computational statistics, international finance, and economic theory. For the last few years, most of my work has been dedicated to the
mathStatica software project which is accompanied by a 500-page Springer text, Mathematical Statistics with Mathematica.
Random number generation for discrete variables Mathematica in Education and Research, Springer-Verlag, 6(3), Summer 1997, 22-26. [ with M.D. Smith ]
Random[Title]: Manipulating probability density functions, in Varian, Hal (ed.) Computational Economics and Finance, Springer-Verlag, 1996. [ with M.D. Smith ]
The multivariate Normal distribution The Mathematica Journal, 6(1), Winter 1996, 32-37. [ with M.D. Smith ]
Pithy Numbers: self-locating tuples in Pi = 3.14159265358979323846264338327950288419...
Sequence: 1, 19, 94, 3542, 7295, 318320, 927130, 939240, ...
Example: Number 19 is the 19^{th} pair in the digits of Pi (after the decimal point)
Reference: Encyclopedia of Integer Sequences - A109513
Phithy Numbers: self-locating tuples in phi (the golden ratio; the most irrational number)
φ =
Sequence: 1, 20, 63, 104, 7499430, 9228401, ...
Example: Number 20 is the 20^{th} pair in the digits of φ
... Numbers: self-locating strings in φ (the golden ratio; the most irrational number)
Sequence: 1, 20, 62, 9956, ... (next value > 10^{9})
Example: Number 20 occurs at position 20 in the digits of φ = 1.618033988749894848204...
Reference: Encyclopedia of Integer Sequences - A117431
The Distribution of the Knight: knight tours on chess boards