Results 121 to 130 of about 46,156 (218)

On Newton polytopes of Lagrangian augmentations

Bulletin of the London Mathematical Society
AbstractThis note explores the use of Newton polytopes in the study of Lagrangian fillings of Legendrian submanifolds. In particular, we show that Newton polytopes associated to augmented values of Reeb chords can distinguish infinitely many distinct Lagrangian fillings, both for Legendrian links and higher dimensional Legendrian spheres.
Orsola Capovilla‐Searle, Roger Casals
openaire   +3 more sources

Hybridized augmented Lagrangian methods for contact problems

Computer Methods in Applied Mechanics and Engineering
This paper addresses the problem of friction-free contact between two elastic bodies. We develop an augmented Lagrangian method that provides computational convenience by reformulating the contact problem as a nonlinear variational equality. To achieve this, we propose a Nitsche-based method incorporating a hybrid displacement variable defined on an ...
Erik Burman, Peter Hansbo, Mats G. Larson   +2 more
openaire   +3 more sources

Equality‐embedded augmented Lagrangian neural network for DC optimal power flow

IET Renewable Power Generation
Direct current optimal power flow (DC‐OPF) problems need to be solved more frequently to maintain safety and economic power system operation. Traditional solvers take too much time to get optimal results.
Jiayu Han, Chao Yang, Lei Yan, Mengyang Niu, Yupeng Zhang, Cheng Yang   +5 more
doaj   +1 more source

An accelerated proximal augmented Lagrangian method and its application in compressive sensing. [PDF]

J Inequal Appl, 2017
Sun M, Liu J.
europepmc   +1 more source

Modified hybrid decomposition of the augmented Lagrangian method with larger step size for three-block separable convex programming. [PDF]

J Inequal Appl, 2018
Sun M, Wang Y.
europepmc   +1 more source

A Novel Contact‐Implicit Trajectory Optimization Framework for Quadruped Locomotion without Fixed Contact Sequences

Advanced Intelligent Systems
Legged robots have advanced in environmental interaction through contact, but most works rely on fixed contact sequences. To enable automatic generation of contact sequences for more complex locomotion tasks, a novel contact‐implicit trajectory ...
Yaowei Chen, Jie Zhang, Ming Lyu
doaj   +1 more source

An augmented Lagrangian method for sliding contact of soft tissue. [PDF]

J Biomech Eng, 2012
Guo H, Nickel JC, Iwasaki LR, Spilker RL.   +3 more
europepmc   +1 more source

Fast X-ray CT image reconstruction using a linearized augmented Lagrangian method with ordered subsets. [PDF]

IEEE Trans Med Imaging, 2015
Nien H, Fessler JA.
europepmc   +1 more source

Physics-informed neural networks with hybrid Kolmogorov-Arnold network and augmented Lagrangian function for solving partial differential equations. [PDF]

Sci Rep
Zhang Z, Wang Q, Zhang Y, Shen T, Shen T, Zhang W.   +5 more
europepmc   +1 more source

An augmented Lagrangian finite element formulation for 3D contact of biphasic tissues. [PDF]

Comput Methods Biomech Biomed Engin, 2014
Guo H, Spilker RL.
europepmc   +1 more source