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Probability Theory and Quantum Information

A special issue of Entropy (ISSN 1099-4300). This special issue belongs to the section "Quantum Information".

Deadline for manuscript submissions: 31 October 2025 | Viewed by 377

Special Issue Editor


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Guest Editor
Los Alamos National Laboratory, Los Alamos, NM 87545, USA
Interests: quantum information theory; probability theory--quantum and beyond; statistical physics; quantum foundation

Special Issue Information

Dear Colleagues,

Probability has long been integral to information processing, a fact solidified 80 years ago when Claude Shannon used random codes to transmit information through noisy channels. This concept laid the foundation for modern information theory. More recently, probability has continued to expand its influence into the quantum realm, becoming essential in developing new technologies in quantum information science, such as randomized protocols for quantum computer benchmarking and shadow tomography of quantum states.

On the fundamental level, the role of probability and its interpretations also have profound implications. Questions related to the probabilistic nature of physical systems, such as the measurement problem and the black hole information paradox, remain actively debated. Quantum information science offers fresh perspectives and methods to address these enduring questions.

This Special Issue seeks to gather innovative ideas at the intersection of probability theory and quantum information science. We invite submissions that explore the use of probability theory to address practical problems in quantum information and/or apply insights from quantum information science to address foundational questions in quantum probabilities.

Dr. Bin Yan
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Entropy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • quantum information
  • probability theory
  • quantum probabilities

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Published Papers (1 paper)

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Research

22 pages, 894 KiB  
Article
Quantum Information Supports Delayed Decisions
by Marius Nagy and Naya Nagy
Entropy 2025, 27(9), 894; https://doi.org/10.3390/e27090894 (registering DOI) - 23 Aug 2025
Abstract
Chatbots, search engines and Database Query Systems are invaluable sources of information for decision-making processes in the data-driven world in which we live today. In this study, we explore the extent to which classical and Quantum Query Systems can support future decisions, taken [...] Read more.
Chatbots, search engines and Database Query Systems are invaluable sources of information for decision-making processes in the data-driven world in which we live today. In this study, we explore the extent to which classical and Quantum Query Systems can support future decisions, taken at a moment where the query service may be inaccessible and the decision has to be based solely on information collected in the past. We show that encoding information at the quantum level allows Query Systems to support future or delayed decisions. More precisely, Grover’s algorithm can be employed in order to extract the desired answer from a large superposition of question–answer pairs obtained through a single interrogation of the system. The method works best for binary answers and can be applied to queries encompassing hundreds or thousands of questions in one query. Extensions are possible if we allow more than one query to be addressed to the system. By comparison, a classical system would require hundreds or thousands of queries in order to offer the same level of support for delayed decisions. Full article
(This article belongs to the Special Issue Probability Theory and Quantum Information)
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