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January 2026

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QCA: QUBITS Seminar by Robin Kaarsgaard Sales on "Free Quantum Computing"
by Lise Refstrup Linnebjerg Pedersen 22 Jan '26

22 Jan '26

Dear all, Join us for the next QUBITS Seminar, where Associate Professor Robin Kaarsgaard Sales, Department of Mathematics and Computer Science at the Southern Denmark, will give a talk entitled: “Free Quantum Computing” Date: March 2, 2026 Time: 14:15–16:00 Location: Aud. G (1532-122)<https://www.au.dk/om/organisation/find-au/bygningskort?b=1532> Format: 45-minute talk followed by discussion and refreshments All are welcome! Drinks and snacks will be served after the talk. Please accept this calendar invitation if you plan to attend—it helps us estimate catering needs. About the speaker: Read more about the speaker here via this link<https://projects.au.dk/quantum/news-and-events/item/artikel/free-quantum-co…>. ABSTRACT Quantum computing improves substantially on known classical algorithms for various important problems, but the nature of the relationship between quantum and classical computing is not yet fully understood. This relationship can be clarified by free models, that add to classical computing just enough physical principles to represent quantum computing and no more. In this talk, I will describe an axiomatisation of quantum computing that replaces the standard continuous postulates with a small number of discrete equations, as well as a free model that replaces the standard linear-algebraic model with a category-theoretical one. The axioms and model are based on reversible classical computing, isolate quantum advantage in the ability to take certain well-behaved square roots, and link to various quantum computing hardware platforms. This approach allows combinatorial optimisation, including brute force computer search, to optimise quantum computations. The free model may be interpreted as a programming language for quantum computers, that has the same expressivity and computational universality as the standard model, but additionally allows automated verification and reasoning. → Please forward this invitation to interested colleagues who may not already have signed up for information and direct invites from QCA. Encourage them to join our community and stay updated<https://projects.au.dk/quantum/sign-up>! → Follow Quantum Campus Aarhus on LinkedIn to stay up to date with news, events, and community highlights: Quantum Campus Aarhus LinkedIn<https://www.linkedin.com/company/quantum-campus-aarhus-qca-aarhus-universit…> For details and upcoming QUBITS Seminars, visit: https://projects.au.dk/quantum/qubit-seminars We look forward to seeing you there. Kindly note: You are receiving this email because you are part of the Quantum Campus Aarhus mailing list. If you wish to be removed, please contact me directly. If this invitation was forwarded to you by a colleague and you would like to receive future QUBITS Seminar announcements directly, you can sign up here<https://projects.au.dk/quantum/sign-up>. On behalf of the QUBITS Seminar Committee, Jill Miwa (PHYS, iNANO), Tobias Weidner (CHEM, iNANO), Victoria Birkedal (CHEM, iNANO), Jaco van de Pol (CS), Christian Pascal Hirsch (MATH), and Andreas Roepstorff (AIAS, ARTS). Best regards, Lise (Quantum Campus Aarhus Coordinator) Med venlig hilsen / Best regards, Lise Refstrup Linnebjerg Pedersen Special Consultant, MSc, PhD, Dip. Com. iNANO Communication Responsible Quantum Campus Aarhus (QCA) Coordinator (quantum.au.dk<https://projects.au.dk/quantum>) Trade Union Representative (DM<https://dm.dk/english/>, IDA<https://english.ida.dk/?_gl=1*9lyjw1*_gcl_au*MTQ3MzU3NzYwNy4xNzI0ODM2ODA4*_….>, DJØF<https://www.djoef.dk/english>, PharmaDanmark<https://www.pharmadanmark.dk/en/front-page>) Office: Bldg. 1590 room 222 Tel: +45 31 36 16 93 E-mail: lrlp(a)inano.au.dk<mailto:lrlp@inano.au.dk> Personal website: au.dk/lrlp(a)inano.au.dk<https://www.au.dk/lrlp@inano.au.dk> Interdisciplinary Nanoscience Center (iNANO) Aarhus University Gustav Wieds Vej 14 8000 Aarhus C, Denmark Website: http://inano.au.dk/ [cid:image002.png@01DB1B01.25330720]<https://inano.au.dk/>

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