Past and future events for
Hinged Dissections: Swinging & Twisting

2016

October 27:

"Beyond Swinging: Geometric Dissections that Twist or Fold,"
at the Purdue Math Club.
6:00pm in Recitation 112.

2015

August 4:

"Hinged dissections inspired by Ernest Freese's manuscript on geometric dissections,"
at the (link no longer active) MOVES 2015: Mathematics Of Various Entertaining Subjects,
10:20am in Engelman Recital Hall, Baruch College, New York City.

2014

October 2:

"Beyond Swinging: Geometric Dissections that Twist or Fold,"
at the (link no longer active) Purdue Math Club.
6:00pm in Recitation 108.

2012

October 26:

(link no longer active:) "Geometric Dissections as Algorithmic Mathematical Art,"
at the Georgetown University Department of Computer Science.
11:00am in 326 St. Mary's.

September 24:

"Beyond Swinging: Geometric Dissections that Twist or Fold,"
at the University of Maryland Department of Computer Science.
11:00am in 2120 A V Williams building.

July 25-29:

"My Parade of Algorithmic Mathematical Art,"
at the (link no longer active) Bridges 2012 conference
in Towson, Maryland.

May 24:

(link no longer active:) "Beyond Swinging: Hinged Dissections that Twist or Fold,"
a keynote speech at SMI 2012, the Shape Modeling International meeting.
8:30-9:50am, Geren Auditorium, in Langford B, Texas A&M University, College Station, Texas.

2011

August:

"My Parade of Algorithmic Mathematical Art,"
a 20-minute-long presentation that is part of a 3-artist exhibition
in the Lawson Computer Science Building for the academic year 2011-2012.
On display in a cabinet adjacent to the elevator on the second floor of the building.

The cabinet contains my artist's statement,
a Sony S-Frame that continuously runs my presentation,
laser-cut wooden models of three of my folding dissections,
and copies of my three books on geometric dissections.

Originally August 2011 through April 2012, but it's been there now for over three years!
Maybe it will come up for tenure soon?

2010

April 1:

"Hinged Dissections that Twist or Fold," a talk at Purdue University.
Thursday, April 1, at 6:00pm in REC 113. Hosted by the Purdue Math Club.

March 25:

"Symmetry vs. Economy in Dissections of Squares and Cubes,"
at the Gathering for Gardner 9 (G4G9)
in Atlanta, GA. This meeting is by invitation only.

2009

August 7:

For my article, "Designing a table both swinging and stable",
I received a George Pólya Award from the Mathematical Association of America at the (link no longer active) Mathfest 2009
in the Prize Session, in the Oregon Ballroom, 11:30 am - 12:00 noon.
For a photo, see FOCUS, vol. 29, no. 5 (Oct./Nov. 2009), p. 8.
Also see Notices of the AMS, vol. 56, no. 10 (Nov. 2009), p. 1303.

June 25:

"Beyond Swinging: Hinged Dissections that Twist or Fold," a talk at the DIMACS summer 2009 REU.
Thursday, June 25, at 1:00pm in CoRE 431.

2008

October 13:

"Beyond Swinging: Hinged Dissections that Twist or Fold," a talk at Oberlin College.
Tuesday, October 13, at 4:30pm in King 239. Hosted by the Mathematics Department.

March 15:

"The Heptagon to the Square, and Other Wild Twists,"
a talk for the contestants and their families at the Finals of the 2008 Topcoder High School Tournament,
Purdue University, Department of Computer Science, Lawson 1142, 1:15pm.

2007

July 27:

"Symmetry and Structure in Twist-Hinged Dissections of Polygonal Rings and Polygonal Anti-Rings,"
a talk at the Bridges Donostia: Mathematics, Music, Art, Culture,
San Sebastian, Spain, The University of the Basque Country, School of Architecture, Luis Peña Ganchegui Auditorium, 10:15-11:00am.

June 14:

"Unexpected Twists in Geometric Dissections,"
a plenary talk at the Kyoto International Conference on Computational Geometry and Graph Theory,
Kyoto University, Kyoto, Japan, 10:10-11:00am, Centennial Hall.

March 24:

"Designing a Table Both Swinging and Stable,"
a talk at the (link no longer active:) Spring 2007 meeting of the Indiana MAA Section,
University of Indianapolis, 11:30am-12:00noon, Lilly 108.

2006

October 16:

"The Heptagon to the Square, and Other Wild Twists,"
a talk for the Purdue University College of Science Dean's Freshman Honors Seminar (SCI 110)
at 4:30 pm, in Beering 2280.

March 18:

"The Heptagon to the Square, and Other Wild Twists,"
at the Gathering for Gardner at the Ritz Carlton Hotel in Atlanta, Georgia, 2:20-2:50 pm.

2005

October 21:

"Geometric Dissections Now Swing and Twist,"
a talk at Earlham College, Richmond, Indiana, 1:00 - 1:50 pm in Dennis 214.

September 23:

"Geometric Dissections Now Swing and Twist,"
a distinguished talk in the seminar series for the Department of Computer and Information Science
at the Indiana University Purdue University at Indianapolis (IUPUI), 11:00am - 12:00 noon in SL 206.

2004

November 18:

"Geometric Dissections Now Swing and Twist,"
for the Purdue freshman math class MATH 108: Mathematics As A Profession And A Discipline,
taught by Aaron Nung Kwan Yip, 4:30-5:20 pm in University 317.

September 21:

"Geometric Dissections Now Swing and Twist,"
banquet talk for the 13th International Meshing Roundtable, Williamsburg, VA. (See pdf file of the presentation)

August 13:

"Geometric Dissections Now Swing and Twist,"
a talk in the "Advances in Recreational Mathematics" session at the 2004 MathFest, at Providence, RI, 4:15-4:35.

May 28:

"Geometric Dissections Now Swing and Twist,"
a colloquium talk for the Department of Computer Science
at the University of Western Ontario, London, Ontario, Canada.

February 9:

"Geometric Dissections Now Swing and Twist,"
a talk for the School of Science Dean's Freshman Seminar (SCI 111) at 4:30 pm, in Beering 2290.

2003

October 13:

A talk, "Geometric Dissections Now Swing and Twist",
jointly sponsored by the (links now inactive) Department of Computer Science and Software Engineering and the Department of Mathematics.
Butler University, in Indianapolis, Indiana. The talk was at 3:00 pm in Jordan Hall 242.
Here is a picture of me, taken by Pete Henderson, after I had subjected the audience to all manner of twists and turns!

September 26:

"Geometric Dissections Now Swing and Twist,"
a 60-minute class, taught for the Purdue University Annual Weekend Back-to-Class Program,
hosted by the President's Council, at 9:15 am, in Purdue Memorial Union 112. (See the the announcement.)

March 12:

"Geometric Dissections Now Swing and Twist,"
a talk for the Math Club at Purdue University at 7:00 pm, in Beering 1245. (Here is the the abstract.)

2002

October 7:

"Geometric Dissections Now Swing and Twist,"
for the Pi Mathematical Sciences Club at Indiana University-Purdue University Fort Wayne in Fort Wayne, Indiana.
noon, in Kettler 216. (link now inactive) (See the (link no longer inactive:) the announcement.)

April 6:

"Hinged Dissections: Swingers, Twisters, Flappers,"
at the Gathering for Gardner at the Ritz Carlton Hotel in Atlanta, Georgia, 11:20-11:40 am.

2001

November 17:

"Geometric Dissections Now Swing and Twist," the second of two invited talks
at the (links no longer active) Fall 2001 meeting of the Northeastern Section of the Mathematical Association of America,
at Bridgewater State College, in Bridgewater, Massachusetts, 2:30-3:20 pm, in Moakley Auditorium.

Also check out the talks relating to material in my first book.

March 19:

A talk, "Geometric Dissections That Swing and Twist",
in the (link no longer active:) CS 690S seminar, Department of Computer Science, Purdue University,
in Math Sciences Building 175, 4:30-5:20 pm. (link no longer active:) Abstract.

2000

November 22:

An invited talk, "Geometric Dissections that Swing and Twist",
at the (link no longer active:) The Japan Conference on Discrete and Computational Geometry 2000 (JCDCG 2000)
at Tokai University, Tokyo, Japan, room 2341, 4:20-5:00 pm.

September 25:

A talk, "Geometric Dissections That Swing and Twist",
in SCI 110, the Dean's Freshman Honors Seminar in the School of Science, Purdue University,
in LAEB 2290, 4:30-5:20 pm.

May 5:

An invited talk, "Geometric Dissections that Swing and Twist",
at Recent Trends in Geometry and Symmetry: A Conference in Honor of Donald W. Crowe,
at the University of Wisconsin, Madison, in the Friedrick Center, room 154, 8:30-9:30 am.

Donald W. Crowe spent over 40 years popularizing, researching and teaching the many facets of geometry, especially aspects of geometry related to symmetry. The purpose of this conference was "to honor his efforts by providing a forum to discuss new trends and developments in the study of geometry and symmetry."

Other invited speakers were:
H.S.M. Coxeter (University of Toronto), Chandler Davis (University of Toronto), Solomon Garfunkel (COMAP) (Banquet speaker), Sue Whitesides (McGill University)

Co-organizers:
Amir Assadi (University of Wisconsin), Steven Bauman (University of Wisconsin), Joseph Malkevitch (York College(CUNY)), Dorothy Washburn (Maryland Institute, College of Art), Robert Wilson (University of Wisconsin)

February 18:

A talk, "Hinged Dissections: Turning on the Past, Swinging into the Future",
at the (link no longer active) Gathering for Gardner IV at the Hyatt Regency Hotel in Atlanta, Georgia.

February 7:

A talk, "Geometric Dissections That Swing and Twist",
in the (link no longer active:) CS 690S seminar, Department of Computer Science, Purdue University,
in Math Sciences Building 175, 4:30-5:20 pm. (link no longer active:) Abstract.

January 19:

A talk, "Geometric Dissections That Swing and Twist",
in the (link no longer active:) SCI 490H (freshman honors) seminar, Department of Computer Science, Purdue University,
in Liberal Arts and Education Building 1260, 2:40-3:20 pm.

1999

December 4:

A talk, "Geometric Dissections That Swing and Twist",
at the (link no longer active:) Midwest Theory Day sponsored by the Department of Computer Science, University of Chicago,
in 251 Ryerson Laboratory, University of Chicago. (link no longer active:) Abstract.