Homotopy equivalent - PowerPoint PPT Presentation

Computing Dehn Twists and Geometric Intersection Numbers in Polynomial Time

Computing Dehn Twists and Geometric Intersection Numbers in Polynomial Time. Marcus Schaefer, Eric Sedgwick DePaul University (Chicago) Daniel Štefankovič University of Rochester. outline. What is a curve? Some history of algorithmic problems. Representing surfaces.

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623 views • 54 slides

Well-composed cell complexes

Well-composed cell complexes. Rocio Gonzalez-Diaz Maria-Jose Jimenez Belen Medrano. Motivation. Our ultimate purpose: To extract (co)homological information of a 3D model. Motivation.

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483 views • 35 slides

Defining and Computing Curve-skeletons with Medial Geodesic Function

Defining and Computing Curve-skeletons with Medial Geodesic Function Tamal K. Dey and Jian Sun The Ohio State University Motivation 1D representation of 3D shapes, called curve-skeleton, useful in many application Geometric modeling, computer vision, data analysis, etc

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628 views • 14 slides

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