1999 Category Winners in
Mathematics & Software

First Place: S1115

Luhrs, Chris H. Grade 12, Los Angeles County
Finite Factorization and the Hopf-Stiefel-Pfister Function
Advisor: Mrs. Eva Stamper
School: Palos Verdes Peninsula High School, Rolling Hills Estate

Second Place: S1119

Pack, Marci A. Grade 11, San Diego County
Four-fold Symmetric Polyhedra Whose Faces Are Regular Polygons
Advisor: Mr. Timothy Towler
School: San Diego Senior High School, San Diego

Third Place: S1127

Tsang, Ray J. Grade 11, Orange County
Can One Play Tetris Indefinitely? An Investigation of Tetris
Advisor: Mr. Michael Nakaue
School: Woodbridge High School, Irvine

Honorable Mention: S1114

Lee, Daniel Grade 11, Los Angeles County
A Novel Method for Solving TSP in Polynomial Time
Advisor: Mr. Sanza Kazadi
School: Jisan Research Institute, Pasadena