Triangulations of Ralph Heiner Buchholz
(a.k.a.
SWE-Teufel,
a.k.a. Rebecca's dad)
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The good christian should beware of mathematicians, and
all those who make empty prophecies. The danger already exists that the
mathematicians have made a covenant with the devil to darken the spirit
and to confine man in the bonds of hell.
--- St. Augustine (354-430 A.D.)
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Trailers
The following thumbnails provide links to excerpts from some of the papers
below.
Elliptic Surface
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Epitrochoidal mixer
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Perfect pyramid
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Newton meets Diophantus
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Minimizing polygon
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Dissolving salt
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Bio-topology
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On Triangles
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Robbins pentagons
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Infinity Heresy
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Kandelhardt paradox
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Missing Galilean
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Über-cool sites
Papers
Like most archaeological sites this site is ordered from most recent
on top to the oldest layers on the bottom.
| Date |
Title |
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Apr 2009
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Cyclic pentagons with rational sides and area (draft)
co-author: Ezra A. Brown |
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Jul 2008
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An edge minimization problem for regular polygons
co-author: Warwick de Launey |
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Apr 2006
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On a geometric proposition, translated from the german,
Ueber einen geometrischen Satz by L. Fejes |
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Nov 2005
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Cyclic rational area polygons,
talk given at the Fall meeting of the MAA, Montgomery College, Germantown.
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Mar 2005
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Integrality in Algebraic Geometry, translated from the german,
Die Ganzzahligkeit in der Algebraischen Geometrie by Hermann Schubert |
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Aug 2004
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Square-like triangles (draft) |
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Sep 2003
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The Infinity Heresy (draft) |
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Feb 2003
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Symmetries of triangles with two rational medians (submitted)
co-authors: Zoltan F. Bacskai, Randall L. Rathbun, Michael J. Smith |
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Jul 2001
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Cyclic n-gons with rational area
co-author: James A. MacDougall |
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Jan 1999
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When Newton met Diophantus : A study of rational-derived polynomials and their extension to quadratic fields
co-author: James A. MacDougall |
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Aug 1998
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Heron Quadrilaterals with sides in arithmetic or geometric progressions
co-author: James A. MacDougall |
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Apr 1998
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Pseudopowerful Numbers (draft) |
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Mar 1998
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Heron Triangles and elliptic curves
co-author: Randall L. Rathbun |
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Jan 1997
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An infinite set of Heron triangles with 2 rational medians
co-author: Randall L. Rathbun |
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Aug 1996
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Volume of an N-dimensional Simplex (draft)
co-author: Michael J. Smith |
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Jun 1996
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The square, the triangle and the hexagon
co-author: Warwick de Launey |
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Jun 1995
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Triangles with 3 rational medians |
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Feb 1995
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Rational-derived quartics |
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Jan 1995
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An observation on Rolle's problem |
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Apr 1991
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Perfect Pyramids |
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Jul 1990
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Epitrochoidal Mixer |
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Nov 1989
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On Triangles with rational altitudes, angle bisectors or medians |
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Jul 1986
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Polygons with Integral Internal Angles |
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Nov 1985
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Spiral Polygon Series |
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Jul 1985
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Mayan Calendar |
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Apr 1985
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Topology in Biology |
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Oct 1983
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Gathematics: Mathematics in the Gas Industry |
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Nov 1981
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Riemann Zeta Function |
Notebooks
| Date |
Title |
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1983-7-16
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Notebook 6
Mathematics wins---but physics makes a token appearance. |
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1982-7-16
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Notebook 5
The struggle continues. |
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1980-9-26
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Notebook 4
Mathematics, Physics and archaeology---a struggle for supremacy. |
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1980-2-10
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Notebook 3
Recreational mathematics emerges from the back of one little matchbox at ComSteel. |
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1979-early
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Notebook 2
The influence here is Martin Gardener's Mathematical Games as well as university maths. |
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1972
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Notebook 1
The one that started it all. Heavily influenced by the 1972 World Book Science Yearbook. |
Miscellaneous
... If you happen to own a Toshiba Portege 3010CT you might be interested
in porting Linux to it without using a boot floppy.
... Since I keep forgetting how to dual boot I finally wrote down how to
prepare a windows partition
for dual booting.
... Ever had fun with a solar bag? Checkout
my pictures
of the fun we had.
... My current research interests.
... Want to learn spanish?
Email Address
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