Pi Mu Epsilon

Spring Initiation

Tuesday 19 February 2008



  • Spring Initiation Ceremony
    • 6pm in LeConte 312
    • new PME/GMC members are welcomed by the returning PME/GMC members
    • see our website for information on how to join along with the application form
  • Fellowship
    • to follow in LeConte 311
    • discussion of and sign-up for upcoming PME/GMC events (and pizza)

PME/GMC invites the USC community to

Undergraduate Seminar

Catalan Numbers Count

Tuesday 19 February 2008
7pm in LeConte 412


An enlighting lecture, accessible to undergraduate students,
by USC graduate student Virginia Johnson.
Abstrast: How many ways can you cut a regular polygon (with n sides) into triangles by connecting vertices with straight lines? How many rooted ordered binary trees (with n leaves) are there? The answer to these, and many other counting problems, is a Catalan number. Come find out what the Catalan numbers are, how they occur in a wide variety of counting problems, as well as some of their basic properties.

For more information visit
http://www.math.sc.edu/~pme/