Past Events

235 results

235 results

Seminar: Yitang Zhang (University of California, Santa Barbara): "Non-positive sequences in analytic number theory and the Landau-Siegel zero"
Mar 28, 2023
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9:30AM EDT
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Yitang Zhang (University of California, Santa Barbara) Title: Non-positive sequences in analytic number theory and the Landau-Siegel zero Abstract: A number of problems in analytic number theory can be reduced to showing that some related...

Seminar: Andrew Childs (University of Maryland): "Quantum divide and conquer"
Feb 28, 2023
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9:30AM EST
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Andrew Childs (University of Maryland) Title: Quantum divide and conquer Abstract: The divide-and-conquer framework, used extensively in classical algorithm design, recursively breaks a problem into smaller subproblems, along with some auxiliary...

Seminar: Anne-Marie Aubert (Centre National de la Recherche Scientifique): "A Bridge Between the Baum-Connes Conjecture and the Langlands Program"
Feb 14, 2023
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9:30AM EST
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Anne-Marie Aubert (Centre National de la Recherche Scientifique) Title: A Bridge Between the Baum-Connes Conjecture and the Langlands Program Abstract: I will first introduce the Bernstein decomposition of the category of smooth representations...

Seminar: Dan Freed (University of Texas): "What is an anomaly?"
Feb 7, 2023
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9:30AM EST
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Dan Freed (University of Texas) Title: What is an anomaly? Abstract: Anomalies in quantum field theory have been the subject of attention for decades. In this talk I will dispel some myths: anomalies are tied to symmetry, anomalies are tied to...

Seminar: Roy Garcia (Harvard University): "Resource theory of quantum scrambling"
Nov 15, 2022
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9:30AM EST
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Roy Garcia (Harvard University) Title: Resource theory of quantum scrambling Abstract: Quantum scrambling refers to the spread of local quantum information into the many degrees of freedom of a quantum system. In this work, we introduce a...

Seminar: Eric Carlen (Rutgers University): "Quantum Entropy Inequalities and Reversible Quantum Markov Semigroups as Gradient Flow for Quantum Relative Entropy"
Nov 1, 2022
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9:30AM EDT
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Eric Carlen (Rutgers University) Title: Quantum Entropy Inequalities and Reversible Quantum Markov Semigroups as Gradient Flow for Quantum Relative Entropy Abstract: As a consequence of the Data Processing Inequality, for any quantum Markov...

Seminar: Philippe Faist (Freie Universität Berlin): "Time-energy uncertainty relation and quantum error correction for noisy quantum metrology"
Oct 25, 2022
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9:30AM EDT
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Philippe Faist (Freie Universität Berlin) Title: Time-energy uncertainty relation and quantum error correction for noisy quantum metrology Abstract: Detection of weak forces and precise measurement of time are two of the many applications of...

Seminar: Liang Jiang (University of Chicago): "Path-Independent Quantum Gates"
Oct 18, 2022
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9:30AM EDT
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https://harvard.zoom.us/j/779283357?pwd=MitXVm1pYUlJVzZqT3lwV2pCT1ZUQT09
Virtual
Speaker: Liang Jiang (University of Chicago) Title: Path-Independent Quantum Gates Abstract: Ancilla systems are often indispensable to universal control of a nearly isolated quantum system. However, ancilla systems are typically more vulnerable to...