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We hope you are enjoying your time in our graduate programs. Check out our course offerings, information about degree completion, the PhD qualifying exams, the PhD lecturing requirement, and instructions on submitting your PhD annual activity report. If you still have some years ahead in your grad studies, you might be interested in applying for scholarships.

If you have any administrative questions, please contact us at cograd@uwaterloo.ca.

Seminars in Combinatorics and Optimization

Wednesday, May 29, 2024 3:30 pm - 4:30 pm EDT (GMT -04:00)

C&O Special Seminar - Vijay Vazirani

Title: A Theory of Alternating Paths and Blossoms, from the Perspective of Minimum Length - Part 1

Speaker: Vijay Vazirani
Affiliation: University of California, Irvine
Location: MC 5479

Abstract: It is well known that the proof of some prominent results in mathematics took a very long time --- decades and even centuries. The first proof of the Micali-Vazirani (MV) algorithm, for finding a maximum cardinality matching in general graphs, was recently completed --- over four decades after the publication of the algorithm (1980). MV is still the most efficient known algorithm for the problem. In contrast, spectacular progress in the field of combinatorial optimization has led to improved running times for most other fundamental problems in the last three decades, including bipartite matching and max-flow.

The new ideas contained in the MV algorithm and its proof remain largely unknown, and hence unexplored, for use elsewhere.

The purpose of this two-talk-sequence is to rectify that shortcoming.

Thursday, May 30, 2024 3:30 pm - 4:30 pm EDT (GMT -04:00)

C&O Special Seminar - Vijay Vazirani

Title: A Theory of Alternating Paths and Blossoms, from the Perspective of Minimum Length - Part 2

Speaker: Vijay Vazirani
Affiliation: University of California, Irvine
Location: MC 5479

Abstract: It is well known that the proof of some prominent results in mathematics took a very long time --- decades and even centuries. The first proof of the Micali-Vazirani (MV) algorithm, for finding a maximum cardinality matching in general graphs, was recently completed --- over four decades after the publication of the algorithm (1980). MV is still the most efficient known algorithm for the problem. In contrast, spectacular progress in the field of combinatorial optimization has led to improved running times for most other fundamental problems in the last three decades, including bipartite matching and max-flow.

The new ideas contained in the MV algorithm and its proof remain largely unknown, and hence unexplored, for use elsewhere.

The purpose of this two-talk-sequence is to rectify that shortcoming.