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Riesz Decompositions

Canadian Journal of Mathematics, 1974
All functions mentioned in this paper will be real-valued. If f1, f2, g are nonnegative functions on a set S that satisfy g ≦ f1 + f2, the Riesz decomposition problem associated with these data is to find functions gi on S such thatThe formulaalways furnishes a solution.
Nagel, Alexander, Rudin, Walter
openaire   +1 more source

Extended Physics-informed Neural Networks (XPINNs): A Generalized Space-Time Domain Decomposition based Deep Learning Framework for Nonlinear Partial Differential Equations

AAAI Spring Symposium: MLPS, 2020
We propose a generalized space-time domain decomposition framework for the physics-informed neural networks (PINNs) to solve nonlinear partial differential equations (PDEs) on arbitrary complex-geometry domains.
Ameya Dilip Jagtap, G. Karniadakis
semanticscholar   +1 more source

WARP Decompositions

SSRN Electronic Journal, 2017
The relation between Sen's decomposition of the weak axiom of revealed preferences (WARP), and WARP directional decomposition introduced in Nosratabadi (2017) is investigated. It is argued that the latter generalizes the former. A pairwise transitive WARP decomposition consistent with Sen's property a is given.
openaire   +2 more sources

A Data–Driven Approximation of the Koopman Operator: Extending Dynamic Mode Decomposition

Journal of nonlinear science, 2014
The Koopman operator is a linear but infinite-dimensional operator that governs the evolution of scalar observables defined on the state space of an autonomous dynamical system and is a powerful tool for the analysis and decomposition of nonlinear ...
Matthew O. Williams   +2 more
semanticscholar   +1 more source

Decomposition

2021
This chapter carefully attends to how decomposition principles are supposed to work, and how different variants and formulations affect the resulting theory in different ways. It begins with the philosophically familiar notion of Boolean complementation, and then gradually discusses ever weaker variants of this notion in the form of various ...
A. J. Cotnoir, Achille C. Varzi
openaire   +2 more sources

Successive variational mode decomposition

Signal Processing, 2020
Variational mode decomposition (VMD) is a powerful technique for concurrently decomposing a signal into its constituent intrinsic modes. However, the performance of VMD will be degraded if the number of modes available in the signal is not precisely ...
M. Nazari, S. M. Sakhaei
semanticscholar   +1 more source

From the Sup-Decomposition to Sequential Decompositions

Journal of Mathematical Imaging and Vision, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Hashimoto, Ronaldo Fumio   +1 more
openaire   +1 more source

Energy decomposition analysis

Catalysis from A to Z, 2020
The energy decomposition analysis (EDA) is a powerful method for a quantitative interpretation of chemical bonds in terms of three major expressions.
Moritz von Hopffgarten, G. Frenking
semanticscholar   +1 more source

Vascular decomposition using weighted approximate convex decomposition

International Journal of Computer Assisted Radiology and Surgery, 2012
Stroke treatment often requires analysis of vascular pathology evaluated using computed tomography (CT) angiography. Due to vascular variability and complexity, finding precise relationships between vessel geometries and arterial pathology is difficult.
Ashirwad, Chowriappa   +6 more
openaire   +2 more sources

Value-Decomposition Networks For Cooperative Multi-Agent Learning Based On Team Reward

Adaptive Agents and Multi-Agent Systems, 2018
We study the problem of cooperative multi-agent reinforcement learning with a single joint reward signal. This class of learning problems is difficult because of the often large combined action and observation spaces.
P. Sunehag   +10 more
semanticscholar   +1 more source

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