QUASAR

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Jemma Fang Completes Honours Project

We are proud to share that Yimeng (Jemma) Fang completed her Honours project this past fall, under the supervision of Monica Nevins. In her project, Jemma focused on coding and comparing factor base algorithms for factoring and discrete logarithm…

January 12, 2026

Laura Maddison Wins Joseph De Koninck Thesis Prize

In June 2025, QUASAR alum Laura Maddison won the University Joseph De Koninck Thesis Prize for her 2024 thesis entitled “Cryptanalysis of Multivariate-Based Post-Quantum Digital Signature Schemes”. This prize is awarded annually for a master’s thesis…

January 12, 2026

QUASAR End of Year Seminar 2025

The QUASAR End of Year Seminar will be held on Tuesday, December 9, 2025. Date: Tuesday, December 9, 2025 Time: 10:25 AM-2:30 PM ET Location: STEM Complex Below is the schedule and list of talks. Time Session 10:25 AM Welcome & Opening Remarks 10:3…

December 09, 2025

Public-Key Quantum Fire and Key-Fire From Classical Oracles

QUASAR weekly seminar talk. Date: Tuesday, November 18, 2025 Time: 10:30-11:30 AM ET Location: STEM Complex Speaker: Alper Cakan Affiliation: Carnegie Mellon University Abstract Quantum fire is a distribution of quantum states that can be efficiently…

November 18, 2025

Welcoming new QUASAR members!

Wishing a warm welcome to our new QUASAR members: Archishna Bhattacharyya, PhD Student Linh Dinh, PhD Student Kieran Mastel, Postdoctoral Fellow Blake Stanley, MSc. Student Thomas Admiral, MSc. Student Timothy Rylander, MSc. Student Jack Wile, MSc…

November 12, 2025

Improved Renyi entropy accumulation theorems with application to Prepare-and-Measure quantum key distribution protocols

QUASAR weekly seminar talk. Date: Friday, November 7, 2025 Time: 1:00 PM ET Location: Virtual Speaker: Amir Arqand Affiliation: University of Waterloo Abstract Quantum Key Distribution (QKD) aims to establish an information-theoretically secure key…

November 07, 2025

The complexity of perfect quantum state classification

QUASAR weekly seminar talk. Date: Friday, October 31, 2025 Time: 1:00-2:00 PM ET Location: STEM Complex Speaker: Ben Lovitz Affiliation: Concordia University Abstract The problem of quantum state classification asks how accurately one can identify an…

October 31, 2025

Quantum vs. classical chromatic number of graphs

QUASAR weekly seminar talk. Date: Tuesday, October 21, 2025 Time: 10:30 AM ET Location: STEM Complex Speaker: Lorenzo Ciardo Affiliation: Graz University of Technology Abstract Quantum pseudo-telepathy lies at the core of Bell’s Theorem on the…

October 21, 2025

The NPA hierarchy does not always attain the commuting operator value

QUASAR weekly seminar talk. Date: Friday, October 3, 2025 Time: 1:00 PM ET Location: STEM Complex Speaker: Connor Paddock Affiliation: University of Ottawa Abstract We show that it is undecidable to determine whether the commuting operator value of a…

October 03, 2025

Classical Commitments to Quantum States

QUASAR weekly seminar talk. Date: Friday, September 26, 2025 Time: 1:00-2:00 PM ET Location: Virtual Speaker: Agi Villanyi Affiliation: MIT Abstract We define the notion of a classical commitment scheme to quantum states, which allows a quantum…

September 26, 2025

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