Tag Archives: Rigidity Theory

Louis Theran’s talk at UMass, Boston

On May 4, Louis Theran will speak in UMass Boston‘s Mathematics Colloquium.  The talk is about: Title: Rigidity percolation in random frameworks, periodic framework, and applications Abstract:  A framework is a structure made of fixed-length bars connected by universal joints with full … Continue reading

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Seminar April 12 – Thurston and Dunfield

On April 12th, the Geometry-Topology Seminar will Dylan Thurston from Barnard College, Columbia University and Nathan Dunfield of UIUC. Thurston will speak on: Title: Stress matrices and rigidity Abstract: When do the lengths of the edges of a straight-edge framework determine the … Continue reading

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Louis Theran’s talk at Haverford

On March 14th, Louis Theran will speak at the Bi-College Mathematics Colloquium at Haverford College. Louis will talk about: Title: The rigidity transition in random graphs Abstract: As we add rigid bars between points in the plane, at what point … Continue reading

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Justin Malestein’s talk at NYU

On March 8th, Justin Malestein will give a talk in the Geometry Seminar at NYU. Title: Generic Periodic Rigidity Abstract: A periodic framework in the plane is an infinite structure, periodic with respect to a lattice and made of fixed-length … Continue reading

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Louis Theran’s talks at SODA and Penn

Consider the following simple process.  Start with n points in the Euclidean plane, allowed to move freely.  Now, uniformly at random, pick a pair of the points, and fix the distance between them, and then repeat this step.  Eventually, the … Continue reading

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Geometry Seminar, November 30: Sazdanović and Whiteley

After a week off for Thanksgiving, the Geometry Seminar returns with a double header, with talks starting at 3:30. Radmilla Sazdanović, from the University of Pennsylvania will speak on, Title: Categorification of knot and graph polynomials Abstract: We review homology theories … Continue reading

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