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Jack Krupansky
Jack Krupansky

527 Followers

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Jan 18

Why I’m Rapidly Losing Faith in the Prospects for Quantum Error Correction

Full, automatic, and transparent quantum error correction (QEC) is no longer a slam-dunk panacea from my perspective. I feel that it would be truly foolhardy to bet heavily that quantum error correction is going to magically lead us to fault-tolerant quantum computing and perfect logical qubits. …

Quantum Computing

16 min read

Quantum Computing

16 min read


Jan 4

Key Developments in Quantum Computing to Watch for in 2023

This informal paper lists a wide variety of key developments in quantum computing which may or may not happen in 2023. Most of the developments are strictly technical, but some are non-technical. Developments on the list are not guaranteed to happen nor even necessarily likely to happen. …

Quantum Computing

15 min read

Quantum Computing

15 min read


Dec 7, 2022

My Quantum Computing Wish List for Christmas 2022 and New Year 2023

Here’s my wish list for quantum computing for Christmas in 2022. Okay, that’s too tall an order with too little time left, so my wish list is really for the coming year, 2023. It’s a fun list, but it’s also a real list — these are advances that have a…

Quantum Computing

4 min read

Quantum Computing

4 min read


Nov 22, 2022

Cheat Sheet for Quantum Computing Hype

This informal paper lists a collection of words, terms, and phrases which are indicators for hype in quantum computing. Hype being short for hyperbole, except that true hyperbole is not intended to be taken literally, while hype is passed off as if it were indeed literal truth. Hype is language…

Quantum Computing

26 min read

Quantum Computing

26 min read


Oct 5, 2022

Notes on IBM’s September 14, 2022 Paper on the Future of Quantum Computing (with Superconducting Qubits)

IBM recently published a paper on the future of quantum computing (with superconducting qubits.) Actually, it’s the future of quantum computing (with superconducting qubits) at IBM. It was based in part on information which IBM disclosed when they posted their updated quantum roadmap for 2022 back in May 2022, but…

Quantum Computing

34 min read

Quantum Computing

34 min read


Sep 21, 2022

Preparing for the Next Stage of My Quantum Journey

As I am about to complete five years of immersion in quantum computing, this stage of my quantum journey is coming to an end and I need to start preparing for the next stage of my quantum journey. I have no fixed idea what this next stage will be like…

Quantum Computing

90 min read

Quantum Computing

90 min read


Sep 7, 2022

Elevator Pitch for Quantum Computing

What do you say when someone asks what a quantum computer or quantum computing is? In 30 seconds or a minute or so. These are my two suggested brief answers — elevator pitches — to the twin questions: What is a quantum computer? What is quantum computing? Also included are…

Quantum Computing

7 min read

Quantum Computing

7 min read


Aug 24, 2022

Initial Thoughts on Personas, Use Cases, and Access Patterns for Quantum Computing

In order to put quantum computing in context, we need to be able to discuss who is trying to do what and how they are going to do it. Personas are the who, use cases are the what, and access patterns are the how. Personas, use cases, and access patterns…

Quantum Computing

53 min read

Quantum Computing

53 min read


Aug 10, 2022

Thoughts on the 2022 IBM Quantum Roadmap Update

IBM posted an update to its quantum roadmap for achieving large-scale, practical quantum computing back in May (2022). This informal paper gives my thoughts on this update to their previous roadmap. Since IBM issued their roadmap update in May, I’ve had three months to study and digest it in enough…

Quantum Computing

77 min read

Quantum Computing

77 min read


Jul 27, 2022

What Is Quantum Computing?

This informal paper is designed to provide a brief but meaningful introduction to quantum computing — the process and significance of using quantum computers to address compute-intensive application problems, but without getting bogged down in any of the detailed technical jargon. …

Quantum Computing

232 min read

Quantum Computing

232 min read

Jack Krupansky

Jack Krupansky

527 Followers

Freelance Consultant

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