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Professor Craig Kaplan outside the Davis Centre looking at his reflection
Wednesday, July 5, 2023

The vampire einstein: Researchers discover a single shape that tiles the plane aperiodically without reflection

Just months ago, an international team of four that includes Cheriton School of Computer Science Professor Craig Kaplan discovered a single shape that tiles the plane — an infinite, two-dimensional surface — in a pattern that can never be made to repeat.

The discovery mesmerized mathematicians, tiling enthusiasts and the public alike.

The shape, a 13-sided polygon they called “the hat,” is known to mathematicians as an aperiodic monotile or an “einstein,” the German words that mean “one stone.”

Tuesday, July 25, 2023 10:00 am - 11:00 am EDT (GMT -04:00)

PhD Seminar • Scientific Computing • Efficient Pricing and Hedging of High Dimensional American Options using Deep Recurrent Networks

Please note: This PhD seminar will take place in DC 3102.

Andrew Na, PhD candidate
David R. Cheriton School of Computer Science

Supervisor: Professor Justin Wan

Monday, July 10, 2023 1:00 pm - 2:00 pm EDT (GMT -04:00)

PhD Seminar • Human-Computer Interaction • Supporting Active Reading of Scientific Documents

Please note: This PhD seminar will take place in DC 1304 and online.

Damien Masson, PhD candidate
David R. Cheriton School of Computer Science

Supervisors: Professors Daniel Vogel, Géry Casiez, Sylvain Malacria

Friday, July 7, 2023 2:00 pm - 3:00 pm EDT (GMT -04:00)

PhD Seminar • Systems and Networking • A Low-Latency RDMA-Accelerated Key-Value Store

Please note: This PhD seminar will take place in DC 1304.

Ahmed Alquraan, PhD candidate
David R. Cheriton School of Computer Science

Supervisor: Professor Samer Al-Kiswany

Bio: Ahmed is a 5th-year PhD student working with Samer Al-Kiswany. His work focuses on utilizing new data center technologies to build efficient and reliable data stores.

Tuesday, July 4, 2023 2:00 pm - 3:00 pm EDT (GMT -04:00)

Seminar • Human-Computer Interaction • Using Theory in Human-Computer Interaction

Please note: This seminar will take place in DC 1304.

Kasper Hornbæk, Professor of Human-Centred Computing
Department of Computer Science, University of Copenhagen

Theory is supposed to be central to science. Yet the field of human-computer interaction (HCI) seems confused about what theory is and what to do with it.

image depicting a voice authenication system
Friday, June 30, 2023

How secure are voice authentication systems really?

Researchers at the Cheriton School of Computer Science have discovered a method of attack that can successfully bypass voice authentication security systems with up to a 99% success rate after only six tries.

Voice authentication — which allows companies to verify the identity of their clients via a supposedly unique voiceprint — has increasingly been used in remote banking, call centres and other security-critical scenarios.

Wednesday, August 16, 2023 9:30 am - 12:30 pm EDT (GMT -04:00)

PhD Defence • Cryptography, Security, and Privacy (CrySP) • Perceptions and Practicalities for Privacy in Machine Learning

Please note: This PhD defence will take place online.

Bailey Kacsmar, PhD candidate
David R. Cheriton School of Computer Science

Supervisor: Professor Florian Kerschbaum

Privacy in machine learning holds great promise for enabling organizations to analyze data they and their partners hold while maintaining data subjects’ privacy.

Monday, July 31, 2023 3:00 pm - 4:00 pm EDT (GMT -04:00)

Master’s Thesis Presentation • Artificial Intelligence • On the Data Quality of Remotely Sensed Forest Maps

Please note: This master’s thesis presentation will take place online.

Shadi Ghasemitaheri, Master’s candidate
David R. Cheriton School of Computer Science

Supervisor: Professor Lukasz Golab

Accurate forest monitoring data are essential for understanding and conserving forest ecosystems. However, the remoteness of forests and the scarcity of ground truth make it hard to identify data quality issues.