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Darrah Chavey

Darrah Chavey's Home Page

   
Assoc. Professor of Mathematics & Computer Science

Beloit College; 700 College St.; Beloit, Wisconsin
email: chavey@beloit.edu
Web: <http://www.beloit.edu/computerscience/faculty/chavey/>
 
Ph.D., Mathematics, 1984, University of Wisconsin, Madison
M.S., Computer Science, 1987, University of Wisconsin, Madison
 
             Research Interests:                     
Mathematics:      Computer Science:
     Ethnomathematics       Algorithms; Analysis of Algorithms
     Tilings       Software Engineering
     Classical Geometry       Distributed & Parallel Computing

Darrah's Classes, Fall 2010:

  • FYS 100: The James Tiptree, Jr. Award Winners
  • CSCI 123: Great Ideas in Computer Science
  • CSCI 131 (2nd Module): Object Oriented Java Programming
  • Dance 109: Ballroom Dancing

Ethnomathematics Projects:

Research Papers:

For the abstract, a link to the full paper, and citations referencing the paper, click the title.

Ethnomathematics:

Tilings:

  • Periodic Tilings and Tilings by Regular Polygons, Ph.D. Thesis, UW-Madison, 1984.
  • Periodic Tilings and Tilings by Regular Polygons I: Bounds on the Number of Orbits of Vertices, Edges, and Tiles, Mitteilungen aus dem Mathem. Seminar Giessen, 164(2), 1984, pp. 37-50.
  • Tilings by Regular Polygons II: A Catalog of Tilings, Computers & Mathematics with Applications, 17, (1989), pp. 147-165.

Other Mathematics:

  • Drawing Pictures with One Line: Exploring Graph Theory, 1992. Monograph in the HistoMap (High School Mathematics and Its Applications) series.
  • The Politics of Course Time Slots, with P. Campbell, and P. Straffin, UMAP Journal, 15(2), (1994), pp. 123-136.
  • How to call a crank a crank (and win if you get sued), with P. Campbell, Underwood Dudley, and Philip D. Straffin.  The UMAP Journal of Undergraduate Mathematics and Its Applications 29 (1) (2008) 59–74.

Computer Science:

  • A Structured Lab Component for the Introductory Programming Course, SIGCSE Bulletin, 23(1), (1991), pp. 287-295.
  • A Multi-purpose Computer Lab for a Small College, 1995. Proceedings of the User Services Conference, 1995, 23, pp. 67-72.
  • Songs and the Analysis of Algorithms, SIGCSE Bulletin, 27(1), (1996), pp. 4-8. Presented at the ACM-SIGCSE Conference, March 1996.

Other Papers:

  • Evangeline Walton: Interpreter of Myths, Aurora 9(1), (1984), pp. 33-35.

Research Projects, Papers to Appear:

  • Teaching Symmetry with Depression Glass
  • Constructing Symmetric Chokwe Sand Drawings.
         To appear in "SYMMETRY: Culture and Science".
  • The Analysis of Chokwe Sand Drawings, with Phil Straffin. PRELIMINARY DRAFT.
  • Symmetry Groups of Chokwe Sand Drawings. PRELIMINARY DRAFT.

 

Other Links: