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Showing 2752 results for "j. pei" in Computer Science
Computer Science Preprint PDF DOI

On (In)approximability of MaxMin Independent Set Reconfiguration

Hung P. Hoang, Naoto Ohsaka, Rin Saito, Yuma Tamura ยท 2026

In the Independent Set Reconfiguration problem under the Token Addition/Removal rule, given a graph $G$ and two independent sets $I$ and $J$ of $G$, we want to transform $I$ into $J$ by adding and remโ€ฆ

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Verification and Validation (V&V)-in-the-Loop for RISC-V Design: The Holistic Vision of BZL

Sajjad Ahmed, Alexander Kropotov, Roberto Ignacio Genovese, Bernat Homs, Eloi Merino, Francesco Urbani, Henrique Yano, Ivan Diaz, Joan Gracia Fernandez, Matteo Toselli, Muhammad Imran, Muhammad Abu Bakar Umar Haider Iqbal, Nadeem Yaseen, Quswar Abid, Shaista Cheema, Samuel Sanchez, Daniel Garcia, Joan Cabre, Mostafa Elyasi, Fernando Ayats, Miquel Moreto, Teresa Cervero, Oscar Palomar, Behzad Salami ยท 2026

The Barcelona Zetascale Lab (BZL) project aims to strengthening Europe's capacity in the design and manufacture of RISC-V based high-performance computing chips. In this context, we present a holisticโ€ฆ

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Tight Bounds for some W[1]-hard Problems Parameterized by Multi-clique-width

Benjamin Bergougnoux, Vera Chekan, Stefan Kratsch ยท 2026

In this work we contribute to the study of the fine-grained complexity of problems parameterized by multi-clique-width, which was initiated by F\"urer [ITCS 2017] and pursued further by Chekan and Kraโ€ฆ

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PSP: An Interpretable Per-Dimension Accent Benchmark for Indic Text-to-Speech

Venkata Pushpak Teja Menta ยท 2026

Standard text-to-speech (TTS) evaluation measures intelligibility (WER, CER) and overall naturalness (MOS, UTMOS) but does not quantify accent. A synthesiser may score well on all four yet sound non-nโ€ฆ

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Polynomial Kernels for Spanning Tree with Diversity Requirements

Petr A. Golovach, Diptapriyo Majumdar, Saket Saurabh ยท 2026

Given a connected undirected graph $G$, a spanning tree is a subgraph $T$ of $G$ such that $V(T) = V(G)$ and $T$ is a tree. A collection of $\ell$ spanning trees $T_1,\ldots,T_\ell$ is pairwise $k$-diโ€ฆ

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A Theory of Hanoi Omega-Automata and Games

Emmanuel Filiot, Allen Joseph, Guillermo A. Perez, Saina Sunny ยท 2026

The Hanoi Omega-Automata (HOA) format has established itself as the definitive standard for encoding $\omega$-regular automata in modern synthesis tools. While HOA is widely adopted due to its succincโ€ฆ

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Characterizations of Admissible Objective Functions for Hierarchical Clustering

Ryuki Tsukuba, Kazutoshi Ando ยท 2026

Hierarchical clustering is a fundamental task in data analysis, yet for a long time it lacked a principled objective function. Dasgupta [STOC 2016] initiated a formal framework by introducing a discreโ€ฆ

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CrossCommitVuln-Bench: A Dataset of Multi-Commit Python Vulnerabilities Invisible to Per-Commit Static Analysis

Arunabh Majumdar ยท 2026

We present CrossCommitVuln-Bench, a curated benchmark of 15 real-world Python vulnerabilities (CVEs) in which the exploitable condition was introduced across multiple commits - each individually benigโ€ฆ

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A simple $(2+\epsilon)$-approximation for knapsack interdiction

Noah Weninger ยท 2026

In the knapsack interdiction problem, there are $n$ items, each with a non-negative profit, interdiction cost, and packing weight. There is also an interdiction budget and a capacity. The objective isโ€ฆ

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Recursive Structure of Hulls of PRM Codes

Yufeng Song, Qin Yue ยท 2026

For a nonnegative integer $r$ and a positive integer $v$ satisfying \[ \frac{r(q-1)}{2}<v<\frac{(r+1)(q-1)}{2}, \] we define the combinatorial numbers \[ A_r(v)= \begin{cases} \displayโ€ฆ

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Downlink Channel Matrix Estimation from PMI-Only Feedback in FDD Systems: Maximum Likelihood and Sharp Excess Risk Bound

Jinchi Chen, Mingxi Hu, Peigang Jiang, Xin Meng, Ke Wei, Xianyin Zhang ยท 2026

We study downlink channel estimation in a frequency-division duplex (FDD) massive MIMO system from PMI-only feedback under a 5G NR-type limited-feedback architecture. In this architecture, the user seโ€ฆ

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Minimum Energy per Bit of Unsourced Multiple Access with Location-Based Codebook Partitioning

Deekshith Pathayappilly Krishnan, Kaan Okumus, Khac-Hoang Ngo, Giuseppe Durisi ยท 2026

We derive finite-blocklength bounds on the minimum achievable energy per bit over a Gaussian unsourced multiple access (UMA) channel in the presence of heterogeneous path-loss conditions. We consider โ€ฆ

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PVAC: A RowHammer Mitigation Architecture Exploiting Per-victim-row Counting

Jumin Kim, Seungmin Baek, Hwayong Nam, Minbok Wi, Nam Sung Kim, Jung Ho Ahn ยท 2026

As DRAM scaling exacerbates RowHammer, DDR5 introduces per-row activation counting (PRAC) to track aggressor activity. However, PRAC indiscriminately increments counters on every activation -- includiโ€ฆ

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InvestChat: Exploring Multimodal Interaction via Natural Language, Touch, and Pen in an Investment Dashboard

Sarah Lykke Tost, Adson Lucas de Paiva Sales, Henrik {O}stergaard, Vaishali Dhanoa, Gabriela Molina Leon ยท 2026

We designed and implemented InvestChat, a multimodal tablet-based application that supports stock market exploration with multiple coordinated views and an LLM-powered chat. We evaluated the applicatiโ€ฆ

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Fairness Audits of Institutional Risk Models in Deployed ML Pipelines

Kelly McConvey, Dipto Das, Maya Ghai, Angelina Zhai, Rosa Lee, Shion Guha ยท 2026

Fairness audits of institutional risk models are critical for understanding how deployed machine learning pipelines allocate resources. Drawing on multi-year collaboration with Centennial College, wheโ€ฆ

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Watts-per-Intelligence Part II: Algorithmic Catalysis

Elija Perrier ยท 2026

We develop a thermodynamic theory of algorithmic catalysis within the watts-per-intelligence framework, identifying reusable computational structures that reduce irreversible operations for a task claโ€ฆ

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ToxiShield: Promoting Inclusive Developer Communication through Real-Time Toxicity Filtering

MD Awsaf Alam Anindya, Showvik Biswas, Anindya Iqbal, Jaydeb Sarker, Amiangshu Bosu ยท 2026

Toxic interactions during code reviews can undermine teamwork and hinder productivity in software engineering (SE) teams. While prior studies explore toxicity detection and empirical investigation, thโ€ฆ

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Parallel Algorithms for Group Isomorphism via Code Equivalence

Michael Levet ยท 2026

In this paper, we exhibit $\textsf{AC}^{3}$ isomorphism tests for coprime extensions $H \ltimes N$ where $H$ is elementary Abelian and $N$ is Abelian; and groups where $\text{Rad}(G) = Z(G)$ is elemenโ€ฆ

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EPAC: The Last Dance

Filippo Mantovani, Fabio Banchelli, Pablo Vizcaino, Roger Ferrer, Oscar Palomar, Francesco Minervini, Jesus Labarta, Mauro Olivieri, Sebastiano Pomata, Pedro Marcuello, Jordi Cortina, Alberto Moreno, Josep Sans, Roger Espasa, Vassilis Papaefstathiou, Nikolaos Dimou, Georgios Ieronymakis, Antonis Psathakis, Michalis Giaourtas, Iasonas Mastorakis, Manolis Marazakis, Eric Guthmuller, Andrea Bocco, Jerome Fereyre, Cesar Fuguet, Mate Kovac, Mario Kovac, Luka Mrkovic, Josip Ramljak, Luca Bertaccini, Tim Fischer, Frank K. Gurkaynak, Paul Scheffler, Luca Benini, Bhavishya Goel, Madhavan Manivannan, Tiago Rocha, Nuno Neves, Jens Kruger ยท 2026

This paper presents EPAC, a RISC-V-based accelerator chip developed within the European Processor Initiative (EPI) as part of a multi-year, multi-partner effort to build a European HPC processor ecosyโ€ฆ

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EdgeCIM: A Hardware-Software Co-Design for CIM-Based Acceleration of Small Language Models

Jinane Bazzi, Mariam Rakka, Fadi Kurdahi, Mohammed E. Fouda, Ahmed Eltawil ยท 2026

The growing demand for deploying Small Language Models (SLMs) on edge devices, including laptops, smartphones, and embedded platforms, has exposed fundamental inefficiencies in existing accelerators. โ€ฆ

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