Results 31 to 40 of about 27,242,528 (312)

Optimized Layout of Spherical Objects in a Polyhedral Domain

open access: yesКібернетика та комп'ютерні технології, 2020
Introduction. The article studies the problem of arranging spherical objects in a bounded polyhedral domain in order to maximize the packing factor. The spherical objects have variable placement parameters and variable radii within the given upper and ...
Tatyana Romanova   +3 more
doaj   +1 more source

Identifying and remeshing contact interfaces in a polyhedral assembly for digital mock-up applications [PDF]

open access: yes, 2006
Polyhedral models are widely used for applications such as manufacturing, digital simulation or visualization. They are discrete models; easy to store, to manipulate, allowing levels of resolution for visualization.
VERON, Philippe, CHOUADRIA, RYM
core   +1 more source

Dynamic allocation indices for restless projects and queueing admission control: a polyhedral approach [PDF]

open access: yesMathematical programming, 2002
. This paper develops a polyhedral approach to the design, analysis, and computation of dynamic allocation indices for scheduling binary-action (engage/rest) Markovian stochastic projects which can change state when rested (restless bandits (RBs)), based
J. Niño-Mora
semanticscholar   +1 more source

Weak Simplicial Bisimilarity and Minimisation for Polyhedral Model Checking [PDF]

open access: yesLogical Methods in Computer Science
The work described in this paper builds on the polyhedral semantics of the Spatial Logic for Closure Spaces (SLCS) and the geometric spatial model checker PolyLogicA.
Nick Bezhanishvili   +7 more
doaj   +1 more source

The homotopy type of the polyhedral product for shifted complexes [PDF]

open access: yes, 2013
We prove a conjecture of Bahri, Bendersky, Cohen and Gitler: if K is a shifted simplicial complex on n vertices,X1,...,Xn are pointed connected CW-complexes and CXi is the cone on Xi, then the polyhedral product determined by K and the pairs (C Xi , Xi )
Theriault, Stephen, Grbić, Jelena
core   +1 more source

A Featureless Approach to 3D Polyhedral Building Modeling from Aerial Images

open access: yesSensors, 2010
This paper presents a model-based approach for reconstructing 3D polyhedral building models from aerial images. The proposed approach exploits some geometric and photometric properties resulting from the perspective projection of planar structures.
Karim Hammoudi, Fadi Dornaika
doaj   +1 more source

A Polyhedral Approach to Ease the Composition of Program Transformations

open access: yesEuropean Conference on Parallel Processing, 2004
We wish to extend the effectiveness of loop-restructuring compilers by improving the robustness of loop transformations and easing their composition in long sequences. We propose a formal and practical framework for program transformation. Our framework is well suited for iterative optimization techniques searching not only for the appropriate ...
Albert Cohen, Sylvain Girbal, O. Temam
semanticscholar   +4 more sources

Kinetic analysis of polyhedral block system using an improved potential-based penalty function approach for explicit discontinuous deformation analysis

open access: yes, 2020
The complexity of polyhedral block systems (e.g., small blocks, flat blocks with small angles, edges, or faces) poses challenges in the kinetic analysis of rock block systems.
Fei Zheng   +4 more
semanticscholar   +1 more source

Beyond Polyhedral Analysis of OpenStream Programs [PDF]

open access: yes, 2019
Polyhedral techniques are, when applicable, an effective instrument for automatic parallelization and data locality optimization of sequential programs.
Drebes, Andi   +3 more
core   +5 more sources

Box-constrained optimization for minimax supervised learning*** [PDF]

open access: yesESAIM: Proceedings and Surveys, 2021
In this paper, we present the optimization procedure for computing the discrete boxconstrained minimax classifier introduced in [1, 2]. Our approach processes discrete or beforehand discretized features.
Gilet Cyprien   +2 more
doaj   +1 more source

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