| Date | Title |
| Apr 2009 |
Cyclic pentagons with rational sides and area (draft)
co-author: Ezra A. Brown |
| Jul 2008 |
An edge minimization problem for regular polygons
co-author: Warwick de Launey |
| Apr 2006 |
On a geometric proposition, translated from the german,
Ueber einen geometrischen Satz by L. Fejes |
| Nov 2005 |
Cyclic rational area polygons,
talk given at the Fall meeting of the MAA, Montgomery College, Germantown.
|
| Mar 2005 |
Integrality in Algebraic Geometry, translated from the german,
Die Ganzzahligkeit in der Algebraischen Geometrie by Hermann Schubert |
| Aug 2004 |
Square-like triangles (draft) |
| Sep 2003 |
The Infinity Heresy (draft) |
| Feb 2003 |
Symmetries of triangles with two rational medians (submitted)
co-authors: Zoltan F. Bacskai, Randall L. Rathbun, Michael J. Smith |
| Jul 2001 |
Cyclic n-gons with rational area
co-author: James A. MacDougall |
| Jan 1999 |
When Newton met Diophantus : A study of rational-derived polynomials and their extension to quadratic fields
co-author: James A. MacDougall |
| Aug 1998 |
Heron Quadrilaterals with sides in arithmetic or geometric progressions
co-author: James A. MacDougall |
| Apr 1998 |
Pseudopowerful Numbers (draft) |
| Mar 1998 |
Heron Triangles and elliptic curves
co-author: Randall L. Rathbun |
|
| Jan 1997 |
An infinite set of Heron triangles with 2 rational medians
co-author: Randall L. Rathbun |
|
| Aug 1996 |
Volume of an N-dimensional Simplex (draft)
co-author: Michael J. Smith |
| Jun 1996 |
The square, the triangle, and the hexagon
co-author: Warwick de Launey |
| Jun 1995 |
Triangles with 3 rational medians |
| Feb 1995 |
Rational-derived quartics |
| Jan 1995 |
An observation on Rolle's problem |
| Apr 1991 |
Perfect Pyramids |
| Jul 1990 |
Epitrochoidal Mixer |
| Nov 1989 |
On Triangles with rational altitudes, angle bisectors or medians |
| Jul 1986 |
Polygons with Integral Internal Angles |
| Nov 1985 |
Spiral Polygon Series |
| Jul 1985 |
Mayan Calendar |
| Apr 1985 |
Topology in Biology |
| Oct 1983 |
Gathematics: Mathematics in the Gas Industry |
| Nov 1981 |
Riemann Zeta Function |
|
