English
Related papers

Related papers: Black-Box PWPP Is Not Turing-Closed

200 papers

Physics-informed neural networks (PINNs) have shown remarkable prospects in the solving the forward and inverse problems involving partial differential equations (PDEs). The method embeds PDEs into the neural network by calculating PDE loss…

Computational Engineering, Finance, and Science · Computer Science 2024-01-15 Jiahao Song , Wenbo Cao , Fei Liao , Weiwei Zhang

With more and more data being collected, data-driven modeling methods have been gaining in popularity in recent years. While physically sound, classical gray-box models are often cumbersome to identify and scale, and their accuracy might be…

Machine Learning · Computer Science 2023-04-05 Loris Di Natale , Bratislav Svetozarevic , Philipp Heer , Colin Neil Jones

The Pandora's Box Problem, originally formalized by Weitzman in 1979, models selection from set of random, alternative options, when evaluation is costly. This includes, for example, the problem of hiring a skilled worker, where only one…

Computer Science and Game Theory · Computer Science 2024-02-20 Shant Boodaghians , Federico Fusco , Philip Lazos , Stefano Leonardi

Physics-Informed Neural Networks (PINNs), which incorporate PDEs as soft constraints, train with a composite loss function that contains multiple training point types: different types of collocation points chosen during training to enforce…

Machine Learning · Computer Science 2024-04-15 Gregory Kang Ruey Lau , Apivich Hemachandra , See-Kiong Ng , Bryan Kian Hsiang Low

It has been recently proposed that the naive semiclassical prediction of non-unitary black hole evaporation can be understood in the fundamental description of the black hole as a consequence of ignorance of high-complexity information.…

High Energy Physics - Theory · Physics 2023-02-24 Lisa Yang , Netta Engelhardt

This paper provides an exponential stability result for the adaptive anti-unwinding attitude tracking control problem of a rigid body with uncertain but constant inertia parameters, without requiring the satisfaction of persistent…

Systems and Control · Electrical Eng. & Systems 2021-08-24 Xiaodong Shao , Qinglei Hu , Daochun Li , Yang Shi , Bowen Yi

Recently Abrahams and Cook devised a method of estimating the total radiated energy resulting from collisions of distant black holes by applying Newtonian evolution to the holes up to the point where a common apparent horizon forms around…

General Relativity and Quantum Cosmology · Physics 2010-04-06 John Baker , Chun Biu Li

A polynomial Turing compression (PTC) for a parameterized problem $L$ is a polynomial time Turing machine that has access to an oracle for a problem $L'$ such that a polynomial in the input parameter bounds each query. Meanwhile, a…

Data Structures and Algorithms · Computer Science 2023-12-15 Weidong Luo

It is known that, for systems of initial-value problems, algorithms using adaptive information perform much better in the worst case setting than the algorithms using nonadaptive information. In the latter case, lower and upper complexity…

Numerical Analysis · Mathematics 2018-11-09 Boleslaw Kacewicz

Weitzman introduced Pandora's box problem as a mathematical model of sequential search with inspection costs, in which a searcher is allowed to select a prize from one of $n$ alternatives. Several decades later, Doval introduced a close…

Data Structures and Algorithms · Computer Science 2022-12-06 Hedyeh Beyhaghi , Linda Cai

We have implemented a parallel multigrid solver, to solve the initial data problem for 3+1 General Relativity. This involves solution of elliptic equations derived from the Hamiltonian and the momentum constraints. We use the conformal…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Scott H. Hawley , Michael J. Vitalo , Richard A. Matzner

What is the power of polynomial-time quantum computation with access to an NP oracle? In this work, we focus on two fundamental tasks from the study of Boolean satisfiability (SAT) problems: search-to-decision reductions, and approximate…

Quantum Physics · Physics 2024-09-02 Sevag Gharibian , Jonas Kamminga

In this paper we investigate the colorful components framework, motivated by applications emerging from comparative genomics. The general goal is to remove a collection of edges from an undirected vertex-colored graph $G$ such that in the…

Data Structures and Algorithms · Computer Science 2013-11-07 Anna Adamaszek , Alexandru Popa

We consider the problem of convex function chasing with black-box advice, where an online decision-maker aims to minimize the total cost of making and switching between decisions in a normed vector space, aided by black-box advice such as…

Machine Learning · Computer Science 2022-06-27 Nicolas Christianson , Tinashe Handina , Adam Wierman

Object detection has been widely used in many safety-critical tasks, such as autonomous driving. However, its vulnerability to adversarial examples has not been sufficiently studied, especially under the practical scenario of black-box…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Siyuan Liang , Baoyuan Wu , Yanbo Fan , Xingxing Wei , Xiaochun Cao

We study the head-on collision of two equal-mass momentarily stationary black holes, using black hole perturbation theory up to second order. Compared to first-order results, this significantly improves agreement with numerically computed…

General Relativity and Quantum Cosmology · Physics 2009-10-28 Reinaldo Gleiser , Oscar Nicasio , Richard Price , Jorge Pullin

Classical discrete-time adaptive controllers provide asymptotic stabilization. While the original adaptive controllers did not handle noise or unmodelled dynamics well, redesigned versions were proven to have some tolerance; however,…

Optimization and Control · Mathematics 2017-11-28 Daniel E. Miller

We study the following problem: with the power of postselection (classically or quantumly), what is your ability to answer adaptive queries to certain languages? More specifically, for what kind of computational classes $\mathcal{C}$, we…

Computational Complexity · Computer Science 2016-10-17 Lijie Chen

In the recently introduced framework of solution discovery via reconfiguration [Fellows et al., ECAI 2023], we are given an initial configuration of $k$ tokens on a graph and the question is whether we can transform this configuration into…

Deep neural networks (DNNs) are powerful black-box function approximators which have been shown to yield improved performance compared to traditional neural network (NN) architectures. However, black-box algorithms do not incorporate known…

Systems and Control · Electrical Eng. & Systems 2025-10-27 Rebecca G. Hart , Wanjiku A. Makumi , Rushikesh Kamalapurkar , Warren E. Dixon