1990 Category Winners in
Mathematics

First Place: S0907

Miller, Brendan K. Grade 12, Fresno County
Partitions of Positive Integers
School: Clovis High School, Clovis

Second Place: S0903

Busenberg, John A. Grade 12, Los Angeles County
Coupling Chaos: Can Coupling Chaotic Systems Lead to Stability?
School: Claremont High School, Claremont

Third Place: S0910

Schaffer, Sarah J. Grade 9, San Diego County
Is There a Polygon that Tiles the Plane Nonperiodically but Not Periodically?
School: Lewis (Harvey L.) Junior High School, San Diego

Honorable Mention: S0908

Ossman, Mike R. Grade 10, Riverside County
Is The Ratio Between Bifurcation Sums Constant Throughout an Equation?
School: Polytechnic High School, Riverside