activity
20122025
most citedQuantum Topological Data Analysis with Linear Depth and Exponential Speedup

15 citations · 57 across the 29 of their papers we have counts for

collaborators

29 papers

quant-ph2025

Connecting Quantum Computing with Classical Stochastic Simulation

Jose Blanchet, Mark S. Squillante, Mario Szegedy +1

This tutorial paper introduces quantum approaches to Monte Carlo computation with applications in computational finance. We outline the basics of quantum computing using Grover's a…

math.NA2025

Stable Iterative Solvers for Ill-conditioned Linear Systems

Vasileios Kalantzis, Mark S. Squillante, Chai Wah Wu

Iterative solvers for large-scale linear systems such as Krylov subspace methods can diverge when the linear system is ill-conditioned, thus significantly reducing the applicabilit…

math.NA2025

On Mixed-Precision Iterative Methods and Analysis for Nearly Completely Decomposable Markov Processes

Vasileios Kalantzis, Mark S. Squillante, Chai Wah Wu

In this paper we consider the problem of computing the stationary distribution of nearly completely decomposable Markov processes, a well-established area in the classical theory o…

cs.IT2024

Breaking through the classical Shannon entropy limit: A new frontier through logical semantics

Luis A. Lastras, Barry M. Trager, Jonathan Lenchner +4

Information theory has provided foundations for the theories of several application areas critical for modern society, including communications, computer storage, and AI. A key asp…

cs.LG2024★ 1 cited

A General Control-Theoretic Approach for Reinforcement Learning: Theory and Algorithms

Weiqin Chen, Mark S. Squillante, Chai Wah Wu +1

We devise a control-theoretic reinforcement learning approach to support direct learning of the optimal policy. We establish various theoretical properties of our approach, such as…

quant-ph2024

On Efficient Solutions of General Structured Markov Processes in Quantum Computational Environments

Vasileios Kalantzis, Mark S. Squillante, Shashanka Ubaru

We study from a theoretical viewpoint the fundamental problem of efficiently computing the stationary distribution of general classes of structured Markov processes. In strong cont…

math.NA2024

Multi-Function Multi-Way Analog Technology for Sustainable Machine Intelligence Computation

Vassilis Kalantzis, Mark S. Squillante, Shashanka Ubaru +12

Numerical computation is essential to many areas of artificial intelligence (AI), whose computing demands continue to grow dramatically, yet their continued scaling is jeopardized…

stat.ML2023

Distributionally Robust Regularization of Sparse Integer Programming Trained Learning Models

Sanjeeb Dash, Soumyadip Ghosh, Joao Goncalves +1

Building explainable machine learning models is crucial for human users to be able to interpret the proposed statistical relationship obtained from the training data. Mixed-integer…

math.NA2023★ 1 cited

Stable iterative refinement algorithms for solving linear systems

Chai Wah Wu, Mark S. Squillante, Vasileios Kalantzis +1

Iterative refinement (IR) is a popular scheme for solving a linear system of equations based on gradually improving the accuracy of an initial approximation. Originally developed t…

cs.LG2023★ 3 cited

Generalization Performance of Transfer Learning: Overparameterized and Underparameterized Regimes

Peizhong Ju, Sen Lin, Mark S. Squillante +2

Transfer learning is a useful technique for achieving improved performance and reducing training costs by leveraging the knowledge gained from source tasks and applying it to targe…

cs.IT2023

Towards a Unification of Logic and Information Theory

Luis A. Lastras, Barry Trager, Jonathan Lenchner +5

Today, the vast majority of the world's digital information is represented using the fundamental assumption, introduced by Claude Shannon in 1948, that ``...the semantic aspects of…

quant-ph2022★ 12 cited

Topological data analysis on noisy quantum computers

Ismail Yunus Akhalwaya, Shashanka Ubaru, Kenneth L. Clarkson +6

Topological data analysis (TDA) is a powerful technique for extracting complex and valuable shape-related summaries of high-dimensional data. However, the computational demands of…

cs.LG2022★ 2 cited

A Class of Geometric Structures in Transfer Learning: Minimax Bounds and Optimality

Xuhui Zhang, Jose Blanchet, Soumyadip Ghosh +1

We study the problem of transfer learning, observing that previous efforts to understand its information-theoretic limits do not fully exploit the geometric structure of the source…

quant-ph2021★ 15 cited

Quantum Topological Data Analysis with Linear Depth and Exponential Speedup

Shashanka Ubaru, Ismail Yunus Akhalwaya, Mark S. Squillante +2

Quantum computing offers the potential of exponential speedups for certain classical computations. Over the last decade, many quantum machine learning (QML) algorithms have been pr…

cs.ET2021

Solving sparse linear systems with approximate inverse preconditioners on analog devices

Vasileios Kalantzis, Anshul Gupta, Lior Horesh +3

Sparse linear system solvers are computationally expensive kernels that lie at the heart of numerous applications. This paper proposes a flexible preconditioning framework to subst…

stat.ML2020★ 1 cited

Unbiased Gradient Estimation for Distributionally Robust Learning

Soumyadip Ghosh, Mark Squillante

Seeking to improve model generalization, we consider a new approach based on distributionally robust learning (DRL) that applies stochastic gradient descent to the outer minimizati…

math.OC2019★ 1 cited

Optimal Scheduling Control in Fluid Models of General Input-Queued Switches

Yingdong Lu, Mark S. Squillante, Tonghoon Suk

Most of the early input-queued switch research focused on establishing throughput optimality of the max-weight scheduling policy, with some recent research showing that max-weight…

math.OC2019★ 2 cited

On Heavy-Traffic Optimal Scaling of -Weighted MaxWeight Scheduling in Input-Queued Switches

Yingdong Lu, Siva Theja Maguluri, Mark S. Squillante +1

We consider the optimal control of input-queued switches under a cost-weighted variant of MaxWeight scheduling, for which we establish theoretical properties that include showing t…

cs.LG2019

A General Markov Decision Process Framework for Directly Learning Optimal Control Policies

Yingdong Lu, Mark S. Squillante, Chai Wah Wu

We consider a new form of reinforcement learning (RL) that is based on opportunities to directly learn the optimal control policy and a general Markov decision process (MDP) framew…

cs.NI2019

Optimising capacity allocation in networks of stochastic loss systems: A functional-form approach

Brendan Patch, Mark S. Squillante, Peter M. Van de Ven

Motivated by a wide variety of applications, this paper introduces a general class of networks of stochastic loss systems in which congestion renders lost revenue due to customers…

cs.LG2019★ 5 cited

PROVEN: Certifying Robustness of Neural Networks with a Probabilistic Approach

Tsui-Wei Weng, Pin-Yu Chen, Lam M. Nguyen +3

With deep neural networks providing state-of-the-art machine learning models for numerous machine learning tasks, quantifying the robustness of these models has become an important…

stat.ML2018★ 5 cited

Efficient Stochastic Gradient Descent for Learning with Distributionally Robust Optimization

Soumyadip Ghosh, Mark Squillante, Ebisa Wollega

Distributionally robust optimization (DRO) problems are increasingly seen as a viable method to train machine learning models for improved model generalization. These min-max formu…

stat.ML2018★ 1 cited

A General Family of Robust Stochastic Operators for Reinforcement Learning

Yingdong Lu, Mark S. Squillante, Chai Wah Wu

We consider a new family of operators for reinforcement learning with the goal of alleviating the negative effects and becoming more robust to approximation or estimation errors. V…

math.OC2017

Control of Time-Varying Epidemic-Like Stochastic Processes and Their Mean-Field Limits

Yingdong Lu, Mark S. Squillante, Chai Wah Wu

The optimal control of epidemic-like stochastic processes is important both historically and for emerging applications today, where it can be especially important to include time-v…