Category Archives: Quantum

Inaugural address at the Hungarian Academy of Science: The Quantum Computer – A Miracle or Mirage

(Picture: János Pach) The Quantum Computer – A Miracle or Mirage inaugural address of Gil Kalai honorary member of the MTA, Budapest, 15 June, 2022, 15:00 Abstract: On February 12, 2002, Michel Devoret’s lecture entitled “The Quantum Computers: Miracle or … Continue reading

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Remarkable: “Limitations of Linear Cross-Entropy as a Measure for Quantum Advantage,” by Xun Gao, Marcin Kalinowski, Chi-Ning Chou, Mikhail D. Lukin, Boaz Barak, and Soonwon Choi

In this post I would like to report about an important paper (posted Dec. 2021) by Xun Gao, Marcin Kalinowski, Chi-Ning Chou, Mikhail D. Lukin, Boaz Barak, and Soonwon Choi. (I am thankful to Xun Gao and  Boaz Barak for … Continue reading

Posted in Quantum, Statistics | Tagged , , , , , | 1 Comment

The Google Supremacy Experiment: Data, Information, Discussions, and Three Questions.

Yosi Rinott, Tomer Shoham, and I  wrote a manuscript regarding our study of the Google 2019 supremacy experiment. This is still a draft and comments or corrections are most welcome. (The paper already incorporates a few comments by the Google … Continue reading

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Ordinary computers can beat Google’s quantum computer after all

Science magazine has an article written by Adrian Cho Ordinary computers can beat Google’s quantum computer after all. It is about the remarkable progress in classical simulations of sampling task like those sampling tasks that led to the 2019 Google’s … Continue reading

Posted in Quantum, Updates | Tagged | 7 Comments

Quantum Computers: A Brief Assessment of Progress in the Past Decade

In this post I give a brief  assessment of progress in the past decade, triggered by a recent article in Forbes Magazine that mentions my view on the matter. Waging War On Quantum – A Forbes Article by Arthur Herman … Continue reading

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Past and Future Events

Quick announcements of past (recorded) and future events 1) Shachar Lovett was the Erdos Speaker for 2022 and his great talks are recorded. (Lecture 1, Tensor ranks and their applications lecture 2, The monomial structure of Boolean functions, lecture 3, … Continue reading

Posted in Combinatorics, Conferences, Convexity, Geometry, Quantum | Leave a comment

Is HQCA Possible? A conversation with Michael Brooks

Here is a short email interview from April 2021 with Michael Brooks from “New Scientist”. Dear Professor Kalai, I’m writing a short feature for New Scientist magazine on the theme “Will we ever have a useful quantum computer?”. I’m aware … Continue reading

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Good Codes papers are on the arXiv

Here are some links to the breakthrough papers about error correcting codes that I mentioned in this post. The results about locally testable codes with constant rate distance and locality was achieved independently in papers 1 and 2.  1) Locally … Continue reading

Posted in Combinatorics, Computer Science and Optimization, Quantum | Tagged , , , , , , , , | 1 Comment

Face to face talks and recorded videotaped introductions

Many face to face activities are now resuming. Last week I took part in a great conference on high dimensional expanders at the Simons Foundation, I recently gave real life talks with large audiences also in U. Chicago and Rutgers, … Continue reading

Posted in Combinatorics, Physics, Probability, Quantum, Updates | Leave a comment

Dream a Little Dream: Quantum Computer Poetry for the Skeptics (Part II, The Classics)

Quantum poetry for the skeptics had long roots, and, also here, Peter Shor along with Jennifer Shor had a pioneering role. Volker Strassen’s response is the earliest poem known to me on the skeptics’ side. We will start with Jennifer … Continue reading

Posted in Art, Computer Science and Optimization, Controversies and debates, Music, Poetry, Quantum | 1 Comment