activity
20222026
most citedOn the Interpretability of Quantum Neural Networks

35 citations · 42 across the 16 of their papers we have counts for

collaborators

19 papers

quant-ph2026

Structural Conditions for Distributed Quantum Advantage

Sabina Drăgoi, María Gragera Garcés, Lirandë Pira

Circuit cutting runs a quantum computation on processors smaller than the circuit, at the price of classical knitting whose cost grows exponentially with the number of cut gates. K…

quant-ph2026

Optimal query complexity for fractional quantum evolution

Anthony Yuezhang Liu, Adam Wesołowski, Jayne Thompson +2

Given oracle access to an unknown unitary , the fractional query problem asks how many queries are required to implement a noninteger power , , when…

quant-ph2026

Weighted Quantum Signal Processing: Low-Depth Polynomial Approximation with Applications to Kolmogorov-Arnold Networks

Rohit Sarma Sarkar, Rupayan Bhattacharjee, Elias F. Combarro +5

Quantum Signal Processing is a powerful quantum framework for generating and approximating univariate polynomials. However, QSP is often limited by circuit-depth bottlenecks and pa…

quant-ph2026

Quantum Hamiltonian Evolution for Coherent Quantum Learning

Ignacio B. Acedo, Javier Gonzalez-Conde, Pablo Rodriguez-Grasa +2

We introduce Coherent Quantum Learning (CQL), a training framework for quantum learning models in which the model parameters are quantum degrees of freedom evolved under a Hamilton…

quant-ph2026

Entanglement geometry separates circuit cutting, classical hardness, and trainability

Maria Gragera Garces, Sabina Drăgoi, Lirandë Pira

Circuit cutting promises to scale quantum computations beyond current hardware, but variational quantum advantage also requires low cutting overhead, classical hardness, and traina…

quant-ph2026

Quantum Topological Data Encoding

Adam Wesołowski, Dimitrios Thanos, Daniel Leykam +1

Many datasets encountered across a wide range of domains possess rich geometric and topological structure that is difficult to capture using conventional vector-based representatio…

quant-ph2026

The Cost of Removing Tunability in Quantum Data Re-Uploading

Anthony Yuezhang Liu, Lirandë Pira

Fixed encoding data re-uploading quantum circuits provide a striking example of universality emerging from a highly constrained architecture. However, universality alone is insuffi…

quant-ph2026

Quantum ring all-reduce: communication and privacy advantages for distributed learning

María Gragera Garcés, Lirandë Pira

Machine learning models have scaled to unprecedented sizes, making training across distributed devices the de facto standard in the field. In this work, we explore how quantum comm…

quant-ph2026

Fundamentals of Quantum Machine Learning and Robustness

Lirandë Pira, Patrick Rebentrost

Quantum machine learning (QML) sits at the intersection of quantum computing and classical machine learning, offering the prospect of new computational paradigms and advantages for…

quant-ph2025

Accelerating Inference for Multilayer Neural Networks with Quantum Computers

Arthur G. Rattew, Po-Wei Huang, Naixu Guo +2

Fault-tolerant Quantum Processing Units (QPUs) promise to deliver exponential speed-ups in select computational tasks, yet their integration into modern deep learning pipelines rem…

quant-ph2025

Quantum Learning with Tunable Loss Functions

Yixian Qiu, Lirandë Pira, Patrick Rebentrost

Learning from quantum data presents new challenges to the paradigm of learning from data. This typically entails the use of quantum learning models to learn quantum processes that…

quant-ph2025★ 1 cited

Expressivity Limits in Quantum Walk-based Optimization

Guilherme A. Bridi, Debbie Lim, Lirandë Pira +3

Quantum algorithms have emerged as a promising tool to solve combinatorial optimization problems. The quantum walk optimization algorithm (QWOA) is one such variational approach th…

cs.LG2025

Degree-Optimized Cumulative Polynomial Kolmogorov-Arnold Networks

Mathew Vanherreweghe, Lirandë Pira, Patrick Rebentrost

We introduce cumulative polynomial Kolmogorov-Arnold networks (CP-KAN), a neural architecture combining Chebyshev polynomial basis functions and quadratic unconstrained binary opti…

physics.optics2025

Enhanced Photonic Chip Design via Interpretable Machine Learning Techniques

Lirandë Pira, Airin Antony, Nayanthara Prathap +2

Photonic chip design has seen significant advancements with the adoption of inverse design methodologies, offering flexibility and efficiency in optimizing device performance. Howe…

quant-ph2024★ 2 cited

Quantum Linear System Solvers: A Survey of Algorithms and Applications

Mauro E. S. Morales, Lirandë Pira, Philipp Schleich +7

Solving linear systems of equations plays a fundamental role in numerous computational problems from different fields of science. The widespread use of numerical methods to solve t…

quant-ph2024★ 3 cited

QKAN: quantum Kolmogorov-Arnold networks with applications in machine learning and multivariate state preparation

Petr Ivashkov, Po-Wei Huang, Kelvin Koor +2

We introduce quantum Kolmogorov-Arnold networks (QKAN), a quantum algorithmic framework inspired by the recently proposed Kolmogorov-Arnold Networks (KAN). QKAN inherits the compos…

quant-ph2023★ 1 cited

Sub-universal variational circuits for combinatorial optimization problems

Gal Weitz, Lirandë Pira, Chris Ferrie +1

Quantum variational circuits have gained significant attention due to their applications in the quantum approximate optimization algorithm and quantum machine learning research. Th…

quant-ph2023★ 35 cited

On the Interpretability of Quantum Neural Networks

Lirandë Pira, Chris Ferrie

Interpretability of artificial intelligence (AI) methods, particularly deep neural networks, is of great interest. This heightened focus stems from the widespread use of AI-backed…

quant-ph2022

An Invitation to Distributed Quantum Neural Networks

Lirandë Pira, Chris Ferrie

Deep neural networks have established themselves as one of the most promising machine learning techniques. Training such models at large scales is often parallelized, giving rise t…