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One of the key challenges of quantum-chemical multi-configuration methods is the necessity to manually select orbitals for the active space. This selection requires both expertise and experience and can therefore impose severe limitations…

Chemical Physics · Physics 2016-04-25 Christopher J. Stein , Markus Reiher

The selection of a balanced active space is a critical step in multi-reference quantum chemistry calculations, particularly for systems with strong electron correlation. Likewise, active space selection is a key to unlock the potential of…

The accuracy of reaction energy profiles calculated with multi-configurational electronic structure methods and corrected by multi-reference perturbation theory depends crucially on consistent active orbital spaces selected along the…

Chemical Physics · Physics 2023-04-14 Moritz Bensberg , Markus Reiher

We introduce the atomic valence active space (AVAS), a simple and well-defined automated technique for constructing active orbital spaces for use in multi-configuration and multireference (MR) electronic structure calculations. Concretely,…

Chemical Physics · Physics 2017-10-20 Elvira R. Sayfutyarova , Qiming Sun , Garnet K. -L. Chan , Gerald Knizia

The advancement of artificial-intelligence driven autonomous experiments demands physics-based modeling and decision-making processes, not only to improve the accuracy of the experimental trajectory but also to increase trust by allowing…

Soft Condensed Matter · Physics 2025-06-18 Duncan R. Sutherland , Rachel Ford , Yun Liu , Tyler B. Martin , Peter A. Beaucage

Large-scale electrification is vital to addressing the climate crisis, but several scientific and technological challenges remain to fully electrify both the chemical industry and transportation. In both of these areas, new electrochemical…

Autodock is a widely used molecular modeling tool which predicts how small molecules bind to a receptor of known 3D structure. The current version of AutoDock uses meta-heuristic algorithms in combination with local search methods for doing…

Machine Learning · Statistics 2018-12-07 Hojjat Rakhshani , Lhassane Idoumghar , Julien Lepagnot , Mathieu Brevilliers , Edward Keedwell

We introduce GCAS, a natural generalization of the well-known compare-and-swap (CAS) object. Intuitively, GCAS just replaces the fixed equality test of CAS with a parametrized comparator chosen from $\{<, =, >\}$. To showcase the utility of…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-20 Vassos Hadzilacos , Myles Thiessen , Sam Toueg

The great amount of datasets generated by various data sources have posed the challenge to machine learning algorithm selection and hyperparameter configuration. For a specific machine learning task, it usually takes domain experts plenty…

Machine Learning · Computer Science 2020-07-08 Tianyu Mu , Hongzhi Wang , Chunnan Wang , Zheng Liang

ABACUS (Atomic-orbital Based Ab-initio Computation at USTC) is an open-source software for first-principles electronic structure calculations and molecular dynamics simulations. It mainly features density functional theory (DFT) and…

Composition and parameterization of multicomponent predictive systems (MCPSs) consisting of chains of data transformation steps are a challenging task. Auto-WEKA is a tool to automate the combined algorithm selection and hyperparameter…

Machine Learning · Computer Science 2019-02-04 Manuel Martin Salvador , Marcin Budka , Bogdan Gabrys

The advancement of machine learning and the availability of large-scale reaction datasets have accelerated the development of data-driven models for computer-aided synthesis planning (CASP) in the past decade. Here, we detail the newest…

The wireless communication environment has the characteristic of strong dynamics. Conventional wireless networks operate based on the static rules with predefined algorithms, lacking the self-adaptation ability. The rapid development of…

Signal Processing · Electrical Eng. & Systems 2025-11-25 Dingli Yuan , Jingchen Peng , Jie Fan , Boxiang Ren , Lu Yang , Peng Liu

This paper presents adaptive conformal selection (ACS), an interactive framework for model-free selection with guaranteed error control. Building on conformal selection (Jin and Cand\`es, 2023b), ACS generalizes the approach to support…

Methodology · Statistics 2025-07-22 Yu Gui , Ying Jin , Yash Nair , Zhimei Ren

In the era of MOOCs, online exams are taken by millions of candidates, where scoring short answers is an integral part. It becomes intractable to evaluate them by human graders. Thus, a generic automated system capable of grading these…

Artificial Intelligence · Computer Science 2020-12-22 Yaman Kumar , Swati Aggarwal , Debanjan Mahata , Rajiv Ratn Shah , Ponnurangam Kumaraguru , Roger Zimmermann

Foundation models hold significant potential for enabling robots to perform long-horizon general manipulation tasks. However, the simplicity of tasks and the uniformity of environments in existing benchmarks restrict their effective…

Robotics · Computer Science 2025-04-04 Liming Zheng , Feng Yan , Fanfan Liu , Chengjian Feng , Zhuoliang Kang , Lin Ma

Quantum chemical calculations on atomistic systems have evolved into a standard approach to study molecular matter. These calculations often involve a significant amount of manual input and expertise although most of this effort could be…

We present AutoPose, a novel neural architecture search(NAS) framework that is capable of automatically discovering multiple parallel branches of cross-scale connections towards accurate and high-resolution 2D human pose estimation.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Xinyu Gong , Wuyang Chen , Yifan Jiang , Ye Yuan , Xianming Liu , Qian Zhang , Yuan Li , Zhangyang Wang

This work introduces StoMADS, a stochastic variant of the mesh adaptive direct-search (MADS) algorithm originally developed for deterministic blackbox optimization. StoMADS considers the unconstrained optimization of an objective function f…

Optimization and Control · Mathematics 2019-11-05 Charles Audet , Kwassi Joseph Dzahini , Michael Kokkolaras , Sébastien Le Digabel

Electronic structure calculations of molecular systems are among the most promising applications for fault-tolerant quantum computing (FTQC) in quantum chemistry and drug design. However, while recent algorithmic advancements such as…

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