Category Archives: Quantum

Quantum computers: amazing progress (Google & IBM), and extraordinary but probably false supremacy claims (Google).

A 2017 cartoon from this post. After the embargo update (Oct 25): Now that I have some answers from the people involved let me make a quick update: 1) I still find the paper  unconvincing, specifically, the verifiable experiments (namely experiments … Continue reading

Posted in Combinatorics, Computer Science and Optimization, Quantum, Updates | Tagged | 67 Comments

Computer Science and its Impact on our Future

A couple of weeks ago I told you about Avi Wigderson’s vision on the connections between the theory of computing and other areas of mathematics on the one hand and between computer science and other areas of science, technology and … Continue reading

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

The Argument against Quantum Computers – a CERN Colloquium and a New Paper

Let me announce my CERN colloquium this Thursday, August 22, 2019, 16:30-17:30 entitled “The argument against quantum computers.” If you are at CERN or the neighborhood, please please come to the lecture. (Tea and coffee will be served at 16:00. … Continue reading

Posted in Computer Science and Optimization, Physics, Quantum | Tagged , | 8 Comments

Two Important Quantum Announcements!

I am very happy to announce two quantum events. First, I would like to announce a course “Computation, quantization, symplectic geometry, and information” in the first 2019/2020 semester  at the Hebrew University of Jerusalem (HUJI). The course will by on … Continue reading

Posted in Computer Science and Optimization, Conferences, Quantum, Teaching | Tagged , , , , | 8 Comments

Video of my ICM2018 lecture: Noise Stability, Noise Sensitivity, and the Quantum Computer Puzzle

The Video of my ICM2018 lecture is now on the air Here are the (slightly improved) slides. I made the mistake of trying to improve my slides in the evening before the lecture and in the morning I discovered that … Continue reading

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Monday February 19: Quantum Coding and High Dimensional Expanders

Tonight at 8:00 Israel time TCS+ Dor Misner on 2-to-2 games.    On Monday, February 19, we will have a special day on “Quantum Coding and High Dimensional Expanders” organized by Gilles Zemor. Sandwiches will be served for lunch, alongside … Continue reading

Posted in Combinatorics, Computer Science and Optimization, Conferences, Quantum, Updates | Tagged , | 2 Comments

My Argument Against Quantum Computers: An Interview with Katia Moskvitch on Quanta Magazine

Quanta Magazine published an interview with me about quantum computers. It was a pleasure discussing this issue with Katia Moskvitch and I enjoyed also the photo session with David Vaaknin who also took a video of me explaining the importance of … Continue reading

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Third third of my ICM 2018 paper – Three Puzzles on Mathematics, Computation and Games. Corrections and comments welcome

Update: Here is a combined version of all three parts: Three puzzles on mathematics computations and games. Thanks for the remarks and corrections. More corrections and comments welcome. Dear all, here is the draft of the third third of my … Continue reading

Posted in Combinatorics, Computer Science and Optimization, Open problems, Physics, Quantum | Tagged , | 3 Comments

Boaz Barak: The different forms of quantum computing skepticism

Originally posted on Windows On Theory:
(see also pdf version) ? Quantum computing is one of the most exciting developments of computer science in the last decades. But this concept is not without its critics, often known as “quantum computing…

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If Quantum Computers are not Possible Why are Classical Computers Possible?

As most of my readers know, I regard quantum computing as unrealistic. You can read more about it in my Notices AMS paper and its extended version (see also this post) and in the discussion of Puzzle 4 from my … Continue reading

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