PLDI 2025
Mon 16 - Fri 20 June 2025 Seoul, South Korea

Learning how to program quantum computers is the next critical skill for developers. Despite this, current quantum programming tools are still at an early stage of the development process, which limits the possibility of creating real complex quantum software systems. The most urgent need for quantum software today is a systematic and unifying approach to quantum programming, with the following main objectives:

  1. the high-level definition of programming languages via a machine-independent specification of their syntax and semantics;
  2. a structured methodology for translating high-level programs before running them on quantum computers;
  3. the development of formal methods for the analysis of program properties and for compiler optimisation.

Looking at a quantum computing system as a stack of several layers from the creation of quantum algorithms to the development of hardware devices, the term `quantum software’ is used in the name of this workshop as an umbrella for all the intermediate levels of such a stack that allows quantum algorithms to be implemented and executed on quantum hardware. This workshop aims to gather researchers and experts for discussing new ideas as well as the most significant directions of research in quantum software, with special focus on:

  • quantum language design and implementation
  • quantum program analysis and verification
  • quantum software engineering
  • quantum computer architecture
  • quantum circuit optimisation
  • quantum hardware-software interface
  • quantum assembler

Keynote Speaker

Supporters

This program is tentative and subject to change.

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Tue 17 Jun

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09:00 - 10:10
Session 1WQS at Rose
09:00
10m
Day opening
Day opening
WQS

09:10
50m
Keynote
The quantum monad: structuring quantum advantage
WQS
Samson Abramsky University College London
10:30 - 12:00
Session 2WQS at Rose
10:30
50m
Keynote
Scalable Quantum Compilation With Jasp
WQS
Raphael Seidel Fraunhofer Institute for Open Communication Systems
11:20
20m
Talk
From Fermions to Qubits: A ZX-Calculus PerspectiveRemote
WQS
Haytham McDowall-Rose University of Oxford, Razin A. Shaikh University of Oxford, Lia Yeh University of Oxford
11:40
20m
Talk
A Semantics for Quantum Loops
WQS
Nicola Assolini University of Verona, Alessandra Di Pierro University of Verona
14:00 - 15:20
Session 3WQS at Rose
14:00
20m
Talk
Deriving a Kronecker-Free Functional Quantum Simulator
WQS
Martin Elsman University of Copenhagen
Pre-print
14:20
20m
Talk
Quantum Circuit Compilation with #SAT
WQS
Jingyi Mei Leiden University, Alfons Laarman Leiden University
14:40
20m
Talk
Optimization and Synthesis of Quantum Circuits with Global Gates
WQS
Alejandro Villoria Leiden University, Henning Basold Leiden University, Alfons Laarman Leiden University
15:00
20m
Talk
Quantum Multiplexer Simplification for State Preparation
WQS
José A. de Carvalho Universidade Federal de Pernambuco, Carlos A. Batista Federal University of Pernambuco, Tiago M.L. de Veras Universidade Federal de Pernambuco, Israel F. Araujo data cybernetics ssc GMbH, Adenilton J. da Silva Universidade Federal de Pernambuco
15:40 - 17:15
Session 4WQS at Rose
15:40
50m
Keynote
Breaking Good: Quantum Abstractions in the Wild - From High-Level Applications to Hardware-Adaptive CompilationRemote
WQS
Yunong Shi AWS Quantum Technologies
16:30
20m
Talk
Automating Quantum Hoare Logic with Automata (Work-In-Progress)
WQS
Fang-Yi Lo Academia Sinica, Yo-Ga Chen Academia Sinica, Yu-Fang Chen Academia Sinica
16:50
20m
Talk
Noise-Aware Calibration-Based Adaptive Gate Folding for Linear Zero-Noise Extrapolation
WQS
Leanghok Hour Pukyong National University, Myeongseong Go Pukyong National University, Youngsun Han Pukyong National University
17:10
5m
Day closing
Closing remarks
WQS

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Call for Papers

We solicit submissions on subjects related to the topics of WQS in the form of a maximum of 5-page (excluded references) extended abstracts describing original results in the form of ongoing works potentially able to foster interesting and constructive discussions. Work already published will also be considered for discussion. In this case, we invite the authors to clearly state this in their submission by indicating the reference to the journal/conference where it was published and the link to the full paper, wherever possible.

There is no fixed format to prepare your submission, but we recommend the use of a single-column layout with a no less than 10pt size.

Accepted abstracts will be presented at the workshop. After the workshop, we will invite authors of selected accepted abstracts to submit an extended version of their contribution to a special issue of the ACM Transactions on Quantum Computing.