Friday, April 13, 2007
Registration and Exhibits Meredith 201
Concurrent Session 1 Meredith 235
3:00-3:20 | Strong Signals: L(d,2,1)-Labeling on Simple Graphs |
| * Jean Clipperton, Simpson College |
3:30-3:50 | On the Weakly Sign Symmetric Matrix Completion Problems |
| * Jonathan Botts, Drake University |
Concurrent Session 2 Meredith 238
3:00-3:20 | Computer Explorations of Prime Conjectures Made by Marnell |
| Charles Ashbacher, #none |
3:30-3:50 | Why Do Students Have Textbooks? |
| Mariah Birgen, Wartburg College |
Break
Concurrent Session 3 Meredith 235
4:10-4:30 | Sign patterns that allow a positive or nonnegative left inverse |
| In-Jae Kim, Minnesota State University, Mankato |
4:40-5:00 | Minimum Rank of Powers of Some Special Graphs |
| Luz De Alba Guerra, Drake University |
Concurrent Session 4 Meredith 238
4:10-4:30 | Ethics and Standards |
| Henry Walker, Grinnell College |
4:40-5:00 | Optimal arrangement of digits |
| Ronald Smith, Graceland University |
Dinner
Plenary Session 1 Meredith 101
7:30-7:50 | Using groups and graphs to create symmetry patterns, Parts 1 |
| Joseph A. Gallian, University of Minnesota, Duluth |
Reception Meridith Lobby
Saturday, April 14, 2007
Registration and Exhibits Meredith 201
Plenary Session 2 Meredith 101
8:30-8:50 | Using groups and graphs to create symmetry patterns, Part 2 |
| Joseph A. Gallian, University of Minnesota, Duluth |
Break
Workshop Meredith 124 B
9:40-10:00 | Teaching tools in the MAA digital library |
| Erick Hofacker, University of Wisconsin - River Falls |
Concurrent Session 5 Meredith 234
9:45-10:05 | Mathematics for Sustainable Living: Pre-Calculus Basics |
| M Anne Dow, Maharishi University of Management |
10:15-10:35 | The Possible Use of Wavelets in Digital Audio Upsampling |
| Scott Searcy, Waldorf College |
Concurrent Session 6 Meredith 235
9:45-10:05 | Assimilating Drifter Trajectories using Gradient Descent |
| Neil Martinsen-Burrell, Wartburg College |
10:15-10:35 | Connected goalies for convex polygons |
| David Romano, Grinnell College |
10:45-11:05 | How likely is a lattice link? |
| Dennis Roseman, University of Iowa |
Concurrent Session 7 Meredith 238
9:45-10:05 | On a Group Associated With Projective Planes |
| ** James Fiedler, Iowa State University |
10:15-10:35 | Farey Symbols and subgroups of $SL_2(Z)$ |
| ** Chris Kurth, Iowa State University |
10:45-11:05 | An algorithm for creating "equal" regions |
| Mark Mills, Central College |
Iowa MAA Business Meeting Meredith 101
Lunch
Concurrent Session 8 Meredith 234
1:35-1:55 | On the Mathematics of Juggling |
| Stephen Willson, Iowa State University |
2:05-2:25 | Linear Differential Equations |
| Wolfgang Kliemann, Iowa State University |
2:35-2:55 | Preferential Attachment Random Graphs with General Weight Function |
| Krishna B. Athreya, Iowa State University |
Concurrent Session 9 Meredith 235
1:35-1:55 | Geometry for the Artist: A General Education Course |
| Catherine Gorini, Maharishi University of Management |
2:05-2:25 | The Mean-Median Map |
| Marc Chamberland, Grinnell College |
2:35-2:55 | Dots and Lines |
| * Thomas Britton, Coe College |
Concurrent Session 10 Meredith 238
1:35-1:55 | "Hex Play: Do board modifications make a difference in game outcome?" |
| * Evan Jones, Coe College |
2:05-2:25 | Mathematical Questions from the Classroom |
| Wendy Weber, Central College |
2:35-2:55 | Overview of the version of Mathematica currently in development |
| Al Hibbard, Central College |
Break
Concurrent Session 11 Meredith 234
3:10-3:30 | Counting the number of solutions in a finite group |
| Siu-Hung (Richard) Ng, Iowa State University |
3:40-4:00 | What I did on my sabbatical: Experiencing the "real world" |
| Mark Mills, Central College |
Concurrent Session 12 Meredith 235
3:10-3:30 | Historical Roots of Math and Physics in Germany |
| * Tim Schwickerath, Wartburg College |
3:40-4:00 | An Introduction to Minimum Rank of a Graph |
| ** Rana Mikkelson, Iowa State University |
Concurrent Session 13 Meredith 238
3:10-3:30 | Pseudo-Random Walks |
| Christian Roettger, Iowa State University |
3:40-4:00 | Using Oral Exams to Help Prepare Future Elementary Mathematics Teachers |
| Russell Goodman, Central College |
* denotes an undergraduate speaker and ** indicates a graduate student speaker