UBC Theory Reading Group Calendar

All meetings are held Tuesdays 2:00 to 3:00pm in CICSR room 104.

DateTimePresenterPaper / Topic / Title
Oct 142:00-3:00pmSteph Durocher Recent Results in Art Galleries
Tom Shermer
Proc. IEEE, 80 (9) 1384-1399, September 1992.
Oct 72:00-3:00pmChris Gray NP-hardness Results for Planar SAT Problems
May 63:30-4:30pmEllen Gethner Rotation Systems
from "Topological Graph Theory" by J. Gross and T. Tucker
Apr 183:30-4:30pmEllen Gethner On representations of some thickness-two graphs
Hutchinson, Shermer, and Vince
Computational Geometry Theory and Applications, 13 (1999), 161-171.
Apr 104:00-5:00pmWill Evans Embedding Planar Graphs on the Grid
Walter Schnyder
Symposium on Discrete Algorithms pp. 138-148, 1990.
Mar 204:00-5:00pmStephane Durocher Channel Capacity
from "Elements of Information Theory" by T. Cover and J. Thomas
Mar 64:00-5:00pmChristine Heitsch Kolmogorov Complexity - Part II
from "Elements of Information Theory" by T. Cover and J. Thomas
Feb 274:00-5:00pmAlex Brodsky Kolmogorov Complexity - Part I
from "Elements of Information Theory" by T. Cover and J. Thomas
Feb 134:00-5:00pmWill Evans Information Theory and Noisy Circuit Complexity
Feb 64:00-5:00pmWill Evans Information Theory Introduction
from "Elements of Information Theory" by T. Cover and J. Thomas
Nov 283:30-4:30pmEllen Gethner Coloring Ordinary Maps, Maps of Empires, and Maps of the Moon
Joan P. Hutchinson
Mathematics Magazine, 66(4) 211-226, October 1993.
Nov 213:30-4:30pmHamish Carr The Four Colour Problem
Nov 143:30-4:30pmDavid Kirkpatrick Randomized Algorithms for Trapezoidal Decomposition
Nov 73:30-4:30pmDavid Kirkpatrick Optimal Algorithms for Probabilistic Solitude Detection on Anonymous Rings
L. Higham, D. Kirkpatrick, K. Abrahamson, and A. Adler
J. Algorithms, 23 (1997), 291-328.
Oct 313:30-4:30pmStephane Durocher Randomized Byzantine Agreement
Oct 243:30-4:30pmWill Evans Permutation Routing on the Hypercube
Oct 173:30-4:30pmNando de Freitas Lower Bounds in Large Deviation Theory
Oct 103:30-4:30pmNando de Freitas Large Deviation Theory
Concentration of Measure for Randomized Algorithms: Techniques and Analysis
Devdatt Dubhashi and Sandeep Sen
Oct 33:30-4:30pmJoel Friedman Expansion, Conductance, Eigenvalues, and Rapid Mixing
A Polynomial-Time Approximation Algorithm for the Permanent of a Matrix with Non-Negative Entries
Mark Jerrum, Alistair Sinclair, Eric Vigoda
ECCC Report TR00-079
contains a recent result on approximating the number of perfect matchings and is more verbose than the STOC paper .
Approximating the Permanent
Mark Jerrum and Alistair Sinclair
SIAM Journal on Computing 18(6): 1149-1178(1989)
provides more background.
Sept 263:30-4:30pmWill Evans More Markov Chain Monte Carlo Methods
Sept 193:30-4:30pmWill Evans Orientation & Markov Chain Monte Carlo Methods
Aug 301-2pmNick Pippenger STOC 2001 Report Part II
Learning DNF in Time 2~O(n1/3) , Page 258
Sharp Threshold and Scaling Window for the Integer Partitioning Problem , Page 330.
Almost Optimal Permutation Routing on Hypercubes , Page 530.
A Polynomial-Time Approximation Algorithm for the Permanent of a Matrix with Non-Negative Entries , Page 712.
Aug 231-2pm
Aug 161-2pmAlex Brodsky STOC 2001 Report Part I
Quantum mechanical algorithms for the nonabelian hidden subgroup problem , Page 68
Quantum computers that can be simulated classically in polynomial time , Page 114.
Smoothed analysis of algorithms: why the simplex algorithm usually takes polynomial time , Page 296.
Computing crossing numbers in quadratic time , Page 231.
Aug 91-2pmBettina Speckmann Tight Degree Bounds for Pseudo-triangulations of Points
Aug 21-2pm
July 261-2pmJack Snoeyink Protein Chain Folding
NP-hardness of the HP model
Algorithms used with the HP model
Chain growing with more advanced models
Ideas appearing in the last CASP competition winner
July 191-2pmDieter van Melkebeek Time-Space Tradeoffs for Satisfiability
July 121-2pmSergei Bespamyatnikh Shortest Paths in the Plane with Polygonal Obstacles
James A. Storer and John H. Reif.
Journal ACM, 41(5):982-1012, 1994.
July 51-2pmBettina Speckmann
David Kirkpatrick
Symposium on Computational Geometry Trip Report
June 281-2pm
June 211-2pmLila Kari Formal Language Theory and DNA Computing
June 141-2pmStephane Durocher Paths, Trees, and Flowers
Jack Edmonds.
Canadian Journal of Mathematics, 17:449-467, 1965.
June 71-2pmAlex Brodsky Reversible Space Equals Deterministic Space
K. Lange and P. McKenzie and A. Tapp.
Journal of Computer and System Sciences, 60(2):354-367, 2000.
May 311-2pmWill Evans Even More Hardness of Approximation
May 241-2pmWill Evans More Hardness of Approximation
May 173-4pmWill Evans Orientation & Hardness of Approximation