Leszek F. Demkowicz

97 papers Misc 5Journal 88Unranked 4

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Numerical Simulations of Three-Dimensional Nonlinear Elasticity Using an Ultraweak Formulation and Polyhedral Finite Elements. Comput. Sci. Eng. Jaime Mora-Paz, Leszek F. Demkowicz
2025	J	`jnl`	A space-time discontinuous Petrov-Galerkin finite element formulation for a modified Schrödinger equation for laser pulse propagation in waveguides. Comput. Math. Appl. Ankit Chakraborty, Judit Muñoz-Matute, Leszek F. Demkowicz, Jacob Grosek
2025	J	`jnl`	A vectorial envelope Maxwell formulation for electromagnetic waveguides with application to nonlinear fiber optics. Comput. Math. Appl. Stefan Henneking, Jacob Grosek, Leszek F. Demkowicz
2025	J	`jnl`	Nonlinear elasticity with the discontinuous Petrov-Galerkin method: I. Various variational formulations. Comput. Math. Appl. Jonathan Zhang, Leszek F. Demkowicz
2025	J	`jnl`	Stability Analysis for Electromagnetic Waveguides. Part 1: Acoustic and Homogeneous Electromagnetic Waveguides. SIAM J. Math. Anal. Jens Markus Melenk, Leszek F. Demkowicz, Stefan Henneking
2025	J	`jnl`	The discontinuous Petrov-Galerkin method. Acta Numer. Leszek F. Demkowicz, Jay Gopalakrishnan
2024	J	`jnl`	$hp\mathrm{3D}$: A Scalable MPI/OpenMP $hp$-Adaptive Finite Element Software Library for Complex Multiphysics Applications. J. Open Source Softw. Stefan Henneking, Socratis Petrides, Federico Fuentes, Jacob C. Badger, Leszek F. Demkowicz
2024	J	`jnl`	A DPG method for planar div-curl problems. Comput. Math. Appl. Jiaqi Li, Leszek F. Demkowicz
2024	J	`jnl`	A Space-Time Discontinuous Petrov-Galerkin Finite Element Formulation for a Modified Schrödinger Equation for Laser Pulse Propagation in Waveguides. CoRR Ankit Chakraborty, Judit Muñoz-Matute, Leszek F. Demkowicz, Jacob Grosek
2024	J	`jnl`	A Vectorial Envelope Maxwell Formulation for Electromagnetic Waveguides with Application to Nonlinear Fiber Optics. CoRR Stefan Henneking, Jacob Grosek, Leszek F. Demkowicz
2024	J	`jnl`	An anisotropic hp-adaptation framework for ultraweak discontinuous Petrov-Galerkin formulations. Comput. Math. Appl. Ankit Chakraborty, Stefan Henneking, Leszek F. Demkowicz
2024	J	`jnl`	Multistage Discontinuous Petrov-Galerkin Time-Marching Scheme for Nonlinear Problems. SIAM J. Numer. Anal. Judit Muñoz-Matute, Leszek F. Demkowicz
2024	J	`jnl`	Stability analysis for electromagnetic waveguides. Part 2: non-homogeneous waveguides. Adv. Comput. Math. Leszek F. Demkowicz, Jens Markus Melenk, Jacob C. Badger, Stefan Henneking
2023	J	`jnl`	An Anisotropic hp-Adaptation Framework for Ultraweak Discontinuous Petrov-Galerkin Formulations. CoRR Ankit Chakraborty, Stefan Henneking, Leszek F. Demkowicz
2023	J	`jnl`	Multistage DPG time-marching scheme for nonlinear problems. CoRR Judit Muñoz-Matute, Leszek F. Demkowicz
2023	J	`jnl`	Scalable DPG Multigrid Solver for Helmholtz Problems: A Study on Convergence. CoRR Jacob C. Badger, Stefan Henneking, Socratis Petrides, Leszek F. Demkowicz
2023	J	`jnl`	Scalable DPG multigrid solver for Helmholtz problems: A study on convergence. Comput. Math. Appl. Jacob C. Badger, Stefan Henneking, Socratis Petrides, Leszek F. Demkowicz
2023	J	`jnl`	Stability Analysis for Electromagnetic Waveguides. Part 1: Acoustic and Homogeneous Electromagnetic Waveguides. CoRR Jens Markus Melenk, Leszek F. Demkowicz, Stefan Henneking
2023	J	`jnl`	The DPG Method for the Convection-Reaction Problem, Revisited. Comput. Methods Appl. Math. Leszek F. Demkowicz, Nathan V. Roberts, Judit Muñoz-Matute
2022	J	`jnl`	A Petrov-Galerkin method for nonlocal convection-dominated diffusion problems. J. Comput. Phys. Yu Leng, Xiaochuan Tian, Leszek F. Demkowicz, Héctor Gómez, John T. Foster
2022	J	`jnl`	An L Comput. Methods Appl. Math. Jiaqi Li, Leszek F. Demkowicz
2022	—	`conf`	Deep Neural Networks and Smooth Approximation of PDEs. ICCS (1) Kamil Doleglo, Maciej Paszynski, Leszek F. Demkowicz
2022	J	`jnl`	Deep neural networks for smooth approximation of physics with higher order and continuity B-spline base functions. CoRR Kamil Doleglo, Anna Paszynska, Maciej Paszynski, Leszek F. Demkowicz
2022	J	`jnl`	hp3D User Manual. CoRR Stefan Henneking, Leszek F. Demkowicz
2021	J	`jnl`	A Petrov-Galerkin method for nonlocal convection-dominated diffusion problems. CoRR Yu Leng, Xiaochuan Tian, Leszek F. Demkowicz, Héctor Gómez, John T. Foster
2021	J	`jnl`	A numerical study of the pollution error and DPG adaptivity for long waveguide simulations. Comput. Math. Appl. Stefan Henneking, Leszek F. Demkowicz
2021	J	`jnl`	An Lp-DPG method for the convection-diffusion problem. Comput. Math. Appl. Jiaqi Li, Leszek F. Demkowicz
2021	J	`jnl`	An adaptive multigrid solver for DPG methods with applications in linear acoustics and electromagnetics. Comput. Math. Appl. Socratis Petrides, Leszek F. Demkowicz
2021	J	`jnl`	Analysis of non-conforming DPG methods on polyhedral meshes using fractional Sobolev norms. Comput. Math. Appl. Constantin Bacuta, Leszek F. Demkowicz, Jaime Mora, Christos Xenophontos
2021	—	`conf`	Deep Learning Driven Self-adaptive Hp Finite Element Method. ICCS (1) Maciej Paszynski, Rafal Wojciech Grzeszczuk, David Pardo, Leszek F. Demkowicz
2021	J	`jnl`	Equivalence between the DPG method and the exponential integrators for linear parabolic problems. J. Comput. Phys. Judit Muñoz-Matute, David Pardo, Leszek F. Demkowicz
2021	J	`jnl`	Model and computational advancements to full vectorial Maxwell model for studying fiber amplifiers. Comput. Math. Appl. Stefan Henneking, Jacob Grosek, Leszek F. Demkowicz
2021	J	`jnl`	Recent Advances in Least-Squares and Discontinuous Petrov-Galerkin Finite Element Methods. Comput. Math. Appl. Fleurianne Bertrand, Leszek F. Demkowicz, Jay Gopalakrishnan
2021	J	`jnl`	Stabilized finite element methods for a fully-implicit logarithmic reformulation of the Oldroyd-B constitutive law. CoRR Stefan Wittschieber, Leszek F. Demkowicz, Marek Behr
2021	J	`jnl`	The double adaptivity paradigm: (How to circumvent the discrete inf-sup conditions of Babuška and Brezzi). Comput. Math. Appl. Leszek F. Demkowicz, Thomas Führer, Norbert Heuer, Xiaochuan Tian
2020	J	`jnl`	An adaptive multigrid solver for DPG methods with applications in linear acoustics and electromagnetics. CoRR Socratis Petrides, Leszek F. Demkowicz
2020	J	`jnl`	Construction of DPG Fortin operators revisited. Comput. Math. Appl. Leszek F. Demkowicz, Pietro Zanotti
2020	J	`jnl`	The DPG-star method. Comput. Math. Appl. Leszek F. Demkowicz, Jay Gopalakrishnan, Brendan Keith
2019	J	`jnl`	A 3D DPG Maxwell approach to nonlinear Raman gain in fiber laser amplifiers. J. Comput. Phys. X Sriram Nagaraj, Jacob Grosek, Socratis Petrides, Leszek F. Demkowicz, Jaime Mora
2019	J	`jnl`	A DPG Maxwell approach for studying nonlinear thermal effects in active gain fiber amplifiers. CoRR Stefan Henneking, Jacob Grosek, Leszek F. Demkowicz
2019	J	`jnl`	A numerical study of the pollution error and DPG adaptivity for long waveguide simulations. CoRR Stefan Henneking, Leszek F. Demkowicz
2019	J	`jnl`	Alternative Enriched Test Spaces in the DPG Method for Singular Perturbation Problems. Comput. Methods Appl. Math. Jacob Salazar, Jaime Mora, Leszek F. Demkowicz
2019	J	`jnl`	Fast Integration of DPG Matrices Based on Sum Factorization for all the Energy Spaces. Comput. Methods Appl. Math. Jaime Mora, Leszek F. Demkowicz
2019	J	`jnl`	Goal-Oriented Adaptive Mesh Refinement for Discontinuous Petrov-Galerkin Methods. SIAM J. Numer. Anal. Brendan Keith, Ali Vaziri Astaneh, Leszek F. Demkowicz
2019	J	`jnl`	Recent Advances in Least-Squares and Discontinuous Petrov-Galerkin Finite Element Methods. Comput. Methods Appl. Math. Fleurianne Bertrand, Leszek F. Demkowicz, Jay Gopalakrishnan, Norbert Heuer
2017	J	`jnl`	A Spacetime DPG Method for the Schrödinger Equation. SIAM J. Numer. Anal. Leszek F. Demkowicz, Jayadeep Gopalakrishnan, Sriram Nagaraj, Paulina Sepúlveda
2017	J	`jnl`	An adaptive DPG method for high frequency time-harmonic wave propagation problems. Comput. Math. Appl. Socratis Petrides, Leszek F. Demkowicz
2017	J	`jnl`	Construction of DPG Fortin operators for second order problems. Comput. Math. Appl. Sriram Nagaraj, Socratis Petrides, Leszek F. Demkowicz
2017	J	`jnl`	Coupled variational formulations of linear elasticity and the DPG methodology. J. Comput. Phys. Federico Fuentes, Brendan Keith, Leszek F. Demkowicz, Patrick Le Tallec
2017	J	`jnl`	Goal-oriented adaptive mesh refinement for non-symmetric functional settings. CoRR Brendan Keith, Ali Vaziri Astaneh, Leszek F. Demkowicz
2017	J	`jnl`	Minimum Residual and Least Squares Finite Element Methods II. Comput. Math. Appl. Marc I. Gerritsma, Carsten Carstensen, Leszek F. Demkowicz, Jay Gopalakrishnan
2017	J	`jnl`	Prof. Ivo Babuška. Comput. Math. Appl. Leszek F. Demkowicz, Rick Falk, Benqi Guo, Michael Vogelius, Zhimin Zhang
2016	J	`jnl`	Breaking spaces and forms for the DPG method and applications including Maxwell equations. Comput. Math. Appl. Carsten Carstensen, Leszek F. Demkowicz, Jay Gopalakrishnan
2015	J	`jnl`	A discontinuous Petrov-Galerkin methodology for adaptive solutions to the incompressible Navier-Stokes equations. J. Comput. Phys. Nathan V. Roberts, Leszek F. Demkowicz, Robert D. Moser
2015	J	`jnl`	Orientation embedded high order shape functions for the exact sequence elements of all shapes. Comput. Math. Appl. Federico Fuentes, Brendan Keith, Leszek F. Demkowicz, Sriram Nagaraj
2015	J	`jnl`	Quasi-linear computational cost adaptive solvers for three dimensional modeling of heating of a human head induced by cell phone. J. Comput. Sci. Robert Schaefer, Marcin Los, Marcin Sieniek, Leszek F. Demkowicz, Maciej Paszynski
2014	J	`jnl`	A Posteriori Error Control for DPG Methods. SIAM J. Numer. Anal. Carsten Carstensen, Leszek F. Demkowicz, Jayadeep Gopalakrishnan
2014	J	`jnl`	A robust DPG method for convection-dominated diffusion problems II: Adjoint boundary conditions and mesh-dependent test norms. Comput. Math. Appl. Jesse Chan, Norbert Heuer, Tan Bui-Thanh, Leszek F. Demkowicz
2014	J	`jnl`	Locally conservative discontinuous Petrov-Galerkin finite elements for fluid problems. Comput. Math. Appl. Truman Ellis, Leszek F. Demkowicz, Jesse Chan
2014	J	`jnl`	Minimum Residual and Least Squares Finite Element Methods. Comput. Math. Appl. Pavel B. Bochev, Leszek F. Demkowicz, Jay Gopalakrishnan, Max D. Gunzburger
2014	J	`jnl`	The DPG method for the Stokes problem. Comput. Math. Appl. Nathan V. Roberts, Tan Bui-Thanh, Leszek F. Demkowicz
2013	J	`jnl`	A Unified Discontinuous Petrov-Galerkin Method and Its Analysis for Friedrichs' Systems. SIAM J. Numer. Anal. Tan Bui-Thanh, Leszek F. Demkowicz, Omar Ghattas
2013	J	`jnl`	A primal DPG method without a first-order reformulation. Comput. Math. Appl. Leszek F. Demkowicz, Jayadeep Gopalakrishnan
2013	J	`jnl`	Constructively well-posed approximation methods with unity inf-sup and continuity constants for partial differential equations. Math. Comput. Tan Bui-Thanh, Leszek F. Demkowicz, Omar Ghattas
2013	J	`jnl`	Robust DPG Method for Convection-Dominated Diffusion Problems. SIAM J. Numer. Anal. Leszek F. Demkowicz, Norbert Heuer
2012	J	`jnl`	A locking-free Numerische Mathematik Jamie Bramwell, Leszek F. Demkowicz, Jay Gopalakrishnan, Weifeng Qiu
2012	J	`jnl`	Finite element analysis of the Girkmann problem using the modern hp-version and the classical h-version. Eng. Comput. Antti H. Niemi, Ivo Babuska, Juhani Pitkäranta, Leszek F. Demkowicz
2012	J	`jnl`	Polynomial extension operators. Part III. Math. Comput. Leszek F. Demkowicz, Jayadeep Gopalakrishnan, Joachim Schöberl
2011	J	`jnl`	A class of discontinuous Petrov-Galerkin methods. Part IV: The optimal test norm and time-harmonic wave propagation in 1D. J. Comput. Phys. J. Zitelli, Ignacio Muga, Leszek F. Demkowicz, Jayadeep Gopalakrishnan, David Pardo, Victor M. Calo
2011	J	`jnl`	Analysis of the DPG Method for the Poisson Equation. SIAM J. Numer. Anal. Leszek F. Demkowicz, Jayadeep Gopalakrishnan
2011	J	`jnl`	Discrete Compactness for the p-Version of Discrete Differential Forms. SIAM J. Numer. Anal. Daniele Boffi, Martin Costabel, Monique Dauge, Leszek F. Demkowicz, Ralf Hiptmair
2011	J	`jnl`	Mixed hp-Finite Element Method for Linear Elasticity with Weakly Imposed Symmetry: Stability Analysis. SIAM J. Numer. Anal. Weifeng Qiu, Leszek F. Demkowicz
2011	J	`jnl`	Mixed variable order h-finite element method for linear elasticity with weakly imposed symmetry. Curvilinear elements in 2D. Comput. Methods Appl. Math. Weifeng Qiu, Leszek F. Demkowicz
2011	Misc	`conf`	Out-of-core multi-frontal solver for multi-physics hp adaptive problems. ICCS Maciej Paszynski, David Pardo, Anna Paszynska, Leszek F. Demkowicz
2010	J	`jnl`	A parallel direct solver for the self-adaptive hp Finite Element Method. J. Parallel Distributed Comput. Maciej Paszynski, David Pardo, Carlos Torres-Verdín, Leszek F. Demkowicz, Victor M. Calo
2009	J	`jnl`	Polynomial Extension Operators. Part II. SIAM J. Numer. Anal. Leszek F. Demkowicz, Jayadeep Gopalakrishnan, Joachim Schöberl
2008	J	`jnl`	PML Enhanced with a Self-Adaptive Goal-Oriented hp-Finite Element Method: Simulation of Through-Casing Borehole Resistivity Measurements. SIAM J. Sci. Comput. David Pardo, Leszek F. Demkowicz, Carlos Torres-Verdín, C. Michler
2008	J	`jnl`	Polynomial Extension Operators. Part I. SIAM J. Numer. Anal. Leszek F. Demkowicz, Jayadeep Gopalakrishnan, Joachim Schöberl
2008	J	`jnl`	Polynomial extension operators for H Math. Comput. Martin Costabel, Monique Dauge, Leszek F. Demkowicz
2007	J	`jnl`	A 3-D hp Finite/Infinite Element Method to Calculate Power Deposition in the Human Head. IEEE Trans. Biomed. Eng. Dong Xue, Leszek F. Demkowicz, Ling Hao
2007	J	`jnl`	Parallel, fully automatic Eng. Comput. Maciej Paszynski, Leszek F. Demkowicz
2007	Misc	`conf`	Using Cyber-Infrastructure for Dynamic Data Driven Laser Treatment of Cancer. International Conference on Computational Science (1) Chandrajit L. Bajaj, J. Tinsley Oden, Kenneth R. Diller, James C. Browne, John D. Hazle, Ivo Babuska, Jon Bass, L. Bidaut, Leszek F. Demkowicz, Andrew Elliott, Yusheng Feng, David Fuentes, Boseob Kwon, Serge Prudhomme, R. Jason Stafford, Yongjie Zhang
2006	Misc	`conf`	Development of a Computational Paradigm for Laser Treatment of Cancer. International Conference on Computational Science (3) J. Tinsley Oden, Kenneth R. Diller, Chandrajit L. Bajaj, James C. Browne, John D. Hazle, Ivo Babuska, Jon Bass, Leszek F. Demkowicz, Yusheng Feng, David Fuentes, Serge Prudhomme, Marissa Nichole Rylander, R. Jason Stafford, Yongjie Zhang
2006	J	`jnl`	Discrete Compactness for the hp Version of Rectangular Edge Finite Elements. SIAM J. Numer. Anal. Daniele Boffi, Martin Costabel, Monique Dauge, Leszek F. Demkowicz
2006	—	`conf`	Parallel hp-Finite Element Simulations of 3D Resistivity Logging Instruments. CE Maciej Paszynski, David Pardo, Leszek F. Demkowicz, Carlos Torres-Verdín
2006	J	`jnl`	Parallel, fully automatic Eng. Comput. Maciej Paszynski, Leszek F. Demkowicz
2006	J	`jnl`	Simulation of multifrequency borehole resistivity measurements through metal casing using a goal-oriented hp finite-element method. IEEE Trans. Geosci. Remote. Sens. David Pardo, Carlos Torres-Verdín, Leszek F. Demkowicz
2006	J	`jnl`	Two-Dimensional High-Accuracy Simulation of Resistivity Logging-While-Drilling (LWD) Measurements Using a Self-Adaptive Goal-Oriented hp Finite Element Method. SIAM J. Appl. Math. David Pardo, Leszek F. Demkowicz, Carlos Torres-Verdín, Maciej Paszynski
2004	Misc	`conf`	A Dynamic Data Driven Computational Infrastructure for Reliable Computer Simulations. International Conference on Computational Science J. Tinsley Oden, James C. Browne, Ivo Babuska, Chandrajit L. Bajaj, Leszek F. Demkowicz, L. Gray, Jon Bass, Yusheng Feng, Serge Prudhomme, Fabio Nobile, Raúl Tempone
2004	J	`jnl`	Analysis of a Multigrid Algorithm for Time Harmonic Maxwell Equations. SIAM J. Numer. Anal. Jayadeep Gopalakrishnan, Joseph E. Pasciak, Leszek F. Demkowicz
2004	—	`conf`	Reconstruction of G 1 Surfaces With Biquartic Patches for HP Fe Simulations. IMR Dong Xue, Leszek F. Demkowicz, Chandrajit L. Bajaj
2003	Misc	`conf`	A Computational Infrastructure for Reliable Computer Simulations. International Conference on Computational Science J. Tinsley Oden, James C. Browne, Ivo Babuska, Kenneth M. Liechti, Leszek F. Demkowicz
2003	J	`jnl`	Full-wave analysis of dielectric waveguides at a given frequency. Math. Comput. L. Vardapetyan, Leszek F. Demkowicz
2002	J	`jnl`	A Fully Automatic J. Sci. Comput. Leszek F. Demkowicz, Waldemar Rachowicz, Ph. Devloo
2001	J	`jnl`	Analysis of a coupled finite-infinite element method for exterior Helmholtz problems. Numerische Mathematik Leszek F. Demkowicz, Frank Ihlenburg
2001	J	`jnl`	Discrete compactness and the approximation of Maxwell's equations in R Math. Comput. Peter Monk, Leszek F. Demkowicz
1993	J	`jnl`	An SIAM J. Sci. Comput. Michael G. Edwards, J. Tinsley Oden, Leszek F. Demkowicz