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A Peaceman-Rachford Splitting Method for the Protein Side-Chain Positioning Problem

Offered By: Fields Institute via YouTube

Tags

Computational Biology Courses Mathematical Modeling Courses Numerical Analysis Courses

Course Description

Overview

Learn about the Peaceman-Rachford splitting method applied to the protein side-chain positioning problem in this 57-minute lecture from the Fields Institute. Explore a simple formulation for the doubly nonnegative relaxation of the problem, leveraging variable splitting from facial reduction in semidefinite relaxation. Discover how this method achieves strong results in solving instances close to optimality. Delve into topics including protein structure, mathematical programming, STP relaxation, facial reduction, model properties, algorithm formulas, and numerical results. Gain insights into rotation, visualization, preprocessing, and RLT nonnegativity in the context of this computational biology challenge.

Syllabus

Introduction
What is a protein
Formulating a mathematical program
Stp relaxation
Summary
Facial Reduction
Model Properties
Extra Property
Algorithm
Formulas
Update
Lower Bounds
Upper Bounds
Numerical Result
Conclusion
Thank you
Rotation
Visualization
Preprocessing
RLT
Nonnegativity


Taught by

Fields Institute

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