Category Archives: Quantum

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

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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

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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

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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

Dream a Little Dream: Quantum Computer Poetry for the Skeptics (Part I, mainly 2019)

Stars shining bright above you, Night breezes seem to whisper “I love you” Birds singing in the sycamore tree. Dream a little dream. (YouTube) Greetings from NYC everybody! Peter Shor pioneered (Nov 26, 2019) quantum poetry for the skeptics over … Continue reading

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To cheer you up in difficult times 29: Free will, predictability and quantum computers

I wrote a paper, in Hebrew, entitled “Free will, predictability and quantum computers.” Click for the pdf file (Version of Nov. 25, 2021; orig. version). As you probably know, the free will problem is the apparent contradiction between the fact … Continue reading

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Let me tell you about three of my recent papers

  Let me tell you briefly about three of my papers that were recently accepted for publication. Relative Leray numbers via spectral sequences with Roy Meshulam, Helly-type problems with Imre Bárány, and Statistical aspects of quantum supremacy experiments with Yosi … Continue reading

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Amazing: Feng Pan and Pan Zhang Announced a Way to “Spoof” (Classically Simulate) the Google’s Quantum Supremacy Circuit!

Feng Pan and Pan Zhang uploaded a new paper on the arXive  “Simulating the Sycamore supremacy circuits.” with an amazing announcement. Abstract: We propose a general tensor network method for simulating quantum circuits. The method is massively more efficient in … Continue reading

Posted in Computer Science and Optimization, Physics, Quantum | Tagged , , | 7 Comments