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We present the ALPS (Algorithms and Libraries for Physics Simulations) project, an international open source software project to develop libraries and application programs for the simulation of strongly correlated quantum lattice models…

We present an open-source software framework for parameter-space exploration, named OACIS, which is useful to manage vast amount of simulation jobs and results in a systematic way. Recent development of high-performance computers enabled us…

Computers and Society · Computer Science 2018-05-02 Yohsuke Murase , Takeshi Uchitane , Nobuyasu Ito

While most instruction set architectures (ISAs) are only available to use through the purchase of a restrictive commercial license, the RISC-V ISA presents a free and open-source alternative. Due to this availability, many free and…

Hardware Architecture · Computer Science 2025-09-26 Ian McDougall , Harish Batchu , Michael Davies , Karthikeyan Sankaralingam

Systems composed of soft matter (e.g., liquids, polymers, foams, gels, colloids, and most biological materials) are ubiquitous in science and engineering, but molecular simulations of such systems pose particular computational challenges,…

We present Safe Surgery by Identifying Pushouts (SSIP), an open-source lightweight Python package for automating surgery between qubit CSS codes. SSIP is flexible: it is capable of performing both external surgery, that is surgery between…

Quantum Physics · Physics 2024-07-15 Alexander Cowtan

We introduce c-lasso, a Python package that enables sparse and robust linear regression and classification with linear equality constraints. The underlying statistical forward model is assumed to be of the following form: \[ y = X \beta +…

Computation · Statistics 2020-11-03 Léo Simpson , Patrick L. Combettes , Christian L. Müller

The CLEARS (Computational Linguistics Education and Research for Semantics) tool provides a graphical interface allowing interactive construction of semantic representations in a variety of different formalisms, and using several…

cmp-lg · Computer Science 2008-02-03 David Milward , Karsten Konrad , Holger Maier , Manfred Pinkal

The size-change abstraction (SCA) is an important program abstraction for termination analysis, which has been successfully implemented in many tools for functional and logic programs. In this paper, we demonstrate that SCA is also a highly…

Programming Languages · Computer Science 2015-03-20 Florian Zuleger , Sumit Gulwani , Moritz Sinn , Helmut Veith

Build-time configuration and environment assumptions are hampering progress and usability in scientific software. That which would be utterly unacceptable in non-scientific software somehow passes for the norm in scientific packages. The…

Software Engineering · Computer Science 2014-07-11 Jed Brown , Matthew G. Knepley , Barry F. Smith

This paper presents comparison of several stochastic optimization algorithms developed by authors in their previous works for the solution of some problems arising in Civil Engineering. The introduced optimization methods are: the integer…

Neural and Evolutionary Computing · Computer Science 2009-02-11 O. Hrstka , A. Kucerova , M. Leps , J. Zeman

An efficient integral library Libcint was designed to automatically implement general integrals for Gaussian-type scalar and spinor basis functions. The library can handle arbitrary integral expressions on top of $\mathbf{p}$, $\mathbf{r}$…

Chemical Physics · Physics 2014-12-02 Qiming Sun

Spatial Representations for Artificial Intelligence (srai) is a Python library for working with geospatial data. The library can download geospatial data, split a given area into micro-regions using multiple algorithms and train an…

Machine Learning · Computer Science 2023-11-22 Piotr Gramacki , Kacper Leśniara , Kamil Raczycki , Szymon Woźniak , Marcin Przymus , Piotr Szymański

In this work, we propose a new soft-input soft-output decoder called soft-output from covered space (SOCS) decoder. It estimates the a posteriori reliability based on the space explored by a list decoder, i.e., the set of vectors for which…

Information Theory · Computer Science 2025-07-21 Tim Janz , Simon Obermüller , Andreas Zunker , Stephan ten Brink

Search-Based Software Engineering (SBSE) is a promising paradigm that exploits the computational search to optimize different processes when engineering complex software systems. Self-adaptive system (SAS) is one category of such complex…

Software Engineering · Computer Science 2020-08-18 Tao Chen , Miqing Li , Ke Li , Kalyanmoy Deb

Current measures for evaluating text simplification systems focus on evaluating lexical text aspects, neglecting its structural aspects. In this paper we propose the first measure to address structural aspects of text simplification, called…

Computation and Language · Computer Science 2018-10-12 Elior Sulem , Omri Abend , Ari Rappoport

There is an increasing need in solving high-dimensional optimization problems under non-deterministic environment. The simultaneous perturbation stochastic approximation (SPSA) algorithm has recently attracted considerable attention for…

Optimization and Control · Mathematics 2020-12-15 Chen Wang

Context: Scientific open-source software (SciOSS) plays a foundational role in research and engineering, yet its long-term sustainability has often been overlooked and remains a significant concern. Objective: This study investigates the…

Software Engineering · Computer Science 2026-05-06 Sheikh Md. Mushfiqur Rahman , Gregory R. Watson , Nasir U. Eisty

In this methods article, we provide a flexible but easy-to-use implementation of Direct Coupling Analysis (DCA) based on Boltzmann machine learning, together with a tutorial on how to use it. The package \texttt{adabmDCA 2.0} is available…

Quantitative Methods · Quantitative Biology 2025-11-05 Lorenzo Rosset , Roberto Netti , Anna Paola Muntoni , Martin Weigt , Francesco Zamponi

We introduce \textsc{qcmath}, a user-friendly quantum chemistry software tailored for electronic structure calculations, implemented using the Wolfram Mathematica language and available at \url{https://github.com/LCPQ/qcmath}. This…

Chemical Physics · Physics 2023-09-01 Enzo Monino , Antoine Marie , Pierre-François Loos

The suffix array is a data structure that finds numerous applications in string processing problems for both linguistic texts and biological data. It has been introduced as a memory efficient alternative for suffix trees. The suffix array…

Data Structures and Algorithms · Computer Science 2013-07-05 Sanguthevar Rajasekaran , Marius Nicolae