Uri M. Ascher

According to our database, Uri M. Ascher authored at least 56 papers between 1978 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Implicit Frictional Dynamics With Soft Constraints.

Egor Larionov, Andreas Longva, Uri M. Ascher, Jan Bender, Dinesh K. Pai

IEEE Trans. Vis. Comput. Graph., December, 2024

2023

Pitfalls of Projection: A study of Newton-type solvers for incremental potentials.

Andreas Longva, Fabian Löschner, José Antonio Fernández-Fernández, Egor Larionov, Uri M. Ascher, Jan Bender

CoRR, 2023

2022

Neural DAEs: Constrained neural networks.

Tue Boesen, Eldad Haber, Uri M. Ascher

CoRR, 2022

Fully implicit frictional dynamics with soft constraints.

Egor Larionov, Andreas Longva, Uri M. Ascher, Jan Bender, Dinesh K. Pai

CoRR, 2022

2021

SIERE: A Hybrid Semi-Implicit Exponential Integrator for Efficiently Simulating Stiff Deformable Objects.

Yu Ju Edwin Chen, Seung Heon Sheen, Uri M. Ascher, Dinesh K. Pai

ACM Trans. Graph., 2021

Simulating deformable objects for computer animation: a numerical perspective.

Uri M. Ascher, Egor Larionov, Seung Heon Sheen, Dinesh K. Pai

CoRR, 2021

2020

Learning Elastic Constitutive Material and Damping Models.

Bin Wang, Yuanmin Deng, Paul G. Kry, Uri M. Ascher, Hui Huang, Baoquan Chen

Comput. Graph. Forum, 2020

2019

Discrete Processes and their Continuous Limits.

Uri M. Ascher

CoRR, 2019

EigenFit for consistent elastodynamic simulation across mesh resolution.

Yu Ju Edwin Chen, David I. W. Levin, Danny M. Kaufman, Uri M. Ascher, Dinesh K. Pai

Proceedings of the 18th annual ACM SIGGRAPH/Eurographics Symposium on Computer Animation, 2019

2018

Exponential Rosenbrock-Euler Integrators for Elastodynamic Simulation.

Yu Ju Chen, Uri M. Ascher, Dinesh K. Pai

IEEE Trans. Vis. Comput. Graph., 2018

Neural Material: Learning Elastic Constitutive Material and Damping Models from Sparse Data.

Bin Wang, Paul G. Kry, Yuanmin Deng, Uri M. Ascher, Hui Huang, Baoquan Chen

CoRR, 2018

2015

Deformation capture and modeling of soft objects.

Bin Wang, Longhua Wu, KangKang Yin, Uri M. Ascher, Libin Liu, Hui Huang

ACM Trans. Graph., 2015

Assessing Stochastic Algorithms for Large Scale Nonlinear Least Squares Problems Using Extremal Probabilities of Linear Combinations of Gamma Random Variables.

Farbod Roosta-Khorasani, Gábor J. Székely, Uri M. Ascher

SIAM/ASA J. Uncertain. Quantification, 2015

Improved Bounds on Sample Size for Implicit Matrix Trace Estimators.

Farbod Roosta-Khorasani, Uri M. Ascher

Found. Comput. Math., 2015

2014

Stochastic Algorithms for Inverse Problems Involving PDEs and many Measurements.

Farbod Roosta-Khorasani, Kees van den Doel, Uri M. Ascher

SIAM J. Sci. Comput., 2014

Algorithms that satisfy a stopping criterion, probably.

Uri M. Ascher, Farbod Roosta-Khorasani

CoRR, 2014

2013

"Mind the gap": tele-registration for structure-driven image completion.

Hui Huang, Kangxue Yin, Minglun Gong, Dani Lischinski, Daniel Cohen-Or, Uri M. Ascher, Baoquan Chen

ACM Trans. Graph., 2013

Edge-aware point set resampling.

Hui Huang, Shihao Wu, Minglun Gong, Daniel Cohen-Or, Uri M. Ascher, Hao (Richard) Zhang

ACM Trans. Graph., 2013

Data completion and stochastic algorithms for PDE inversion problems with many measurements.

Farbod Roosta-Khorasani, Kees van den Doel, Uri M. Ascher

CoRR, 2013

Faster gradient descent and the efficient recovery of images.

Hui Huang, Uri M. Ascher

CoRR, 2013

2012

Adaptive and Stochastic Algorithms for Electrical Impedance Tomography and DC Resistivity Problems with Piecewise Constant Solutions and Many Measurements.

Kees van den Doel, Uri M. Ascher

SIAM J. Sci. Comput., 2012

The Chaotic Nature of Faster Gradient Descent Methods.

Kees van den Doel, Uri M. Ascher

J. Sci. Comput., 2012

2010

Multiple Level Sets for Piecewise Constant Surface Reconstruction in Highly Ill-Posed Problems.

Kees van den Doel, Uri M. Ascher, Antonio Leitão

J. Sci. Comput., 2010

2009

Consolidation of unorganized point clouds for surface reconstruction.

Hui Huang, Dan Li, Hao Zhang, Uri M. Ascher, Daniel Cohen-Or

ACM Trans. Graph., 2009

2008

Real-Time Numerical Solution of Webster's Equation on A Nonuniform Grid.

Kees van den Doel, Uri M. Ascher

IEEE Trans. Speech Audio Process., 2008

Surface Mesh Smoothing, Regularization, and Feature Detection.

Hui Huang, Uri M. Ascher

SIAM J. Sci. Comput., 2008

2006

On Effective Methods for Implicit Piecewise Smooth Surface Recovery.

Uri M. Ascher, Eldad Haber, Hui Huang

SIAM J. Sci. Comput., 2006

On level set regularization for highly ill-posed distributed parameter estimation problems.

Kees van den Doel, Uri M. Ascher

J. Comput. Phys., 2006

2005

On Symplectic and Multisymplectic Schemes for the KdV Equation.

Uri M. Ascher, Robert I. McLachlan

J. Sci. Comput., 2005

2004

Decomposing cloth.

Eddy Boxerman, Uri M. Ascher

Proceedings of the 2004 ACM SIGGRAPH/Eurographics Symposium on Computer Animation, 2004

2003

On the modified conjugate gradient method in cloth simulation.

Uri M. Ascher, Eddy Boxerman

Vis. Comput., 2003

Computational Methods for Large Distributed Parameter Estimation Problems in 3D.

Uri M. Ascher, Eldad Haber

Proceedings of the Modeling, 2003

2002

Multigrid Preconditioning for Krylov Methods for Time-Harmonic Maxwell's Equations in Three Dimensions.

Dhavide A. Aruliah, Uri M. Ascher

SIAM J. Sci. Comput., 2002

Numerical Methods for Differential Systems with Algebraic Equality and Inequality Constraints.

Uri M. Ascher

Proceedings of the Hybrid Systems: Computation and Control, 5th International Workshop, 2002

2001

Fast Finite Volume Simulation of 3D Electromagnetic Problems with Highly Discontinuous Coefficients.

Eldad Haber, Uri M. Ascher

SIAM J. Sci. Comput., 2001

2000

Programming and control of robots by means of differential algebraic inequalities.

Raymond J. Spiteri, Dinesh K. Pai, Uri M. Ascher

IEEE Trans. Robotics Autom., 2000

Forward Dynamics Algorithms for Multibody Chains and Contact.

Dinesh K. Pai, Uri M. Ascher, Paul G. Kry

Proceedings of the 2000 IEEE International Conference on Robotics and Automation, 2000

1999

The Midpoint Scheme and Variants for Hamiltonian Systems: Advantages and Pitfalls.

Uri M. Ascher, Sebastian Reich

SIAM J. Sci. Comput., 1999

Sequential Regularization Methods for Simulating Mechanical Systems with Many Closed Loops.

Uri M. Ascher, Ping Lin

SIAM J. Sci. Comput., 1999

On Some Difficulties in Integrating Highly Oscillatory Hamiltonian Systems.

Uri M. Ascher, Sebastian Reich

Proceedings of the Computational Molecular Dynamics: Challenges, Methods, Ideas, 1999

1998

Approximate Schur Complement Preconditioning of the Lowest-Order Nodal Discretizations.

J. David Moulton, Jim E. Morel, Uri M. Ascher

SIAM J. Sci. Comput., 1998

Computer methods for ordinary differential equations and differential-algebraic equations.

Uri M. Ascher, Linda R. Petzold

SIAM, ISBN: 978-0-89871-412-8, 1998

1997

Sequential Regularization Methods for Nonlinear Higher-Index DAEs.

Uri M. Ascher, Ping Lin

SIAM J. Sci. Comput., 1997

Stabilization of invariants of discretized differential systems.

Uri M. Ascher

Numer. Algorithms, 1997

Forward Dynamics, Elimination Methods, and Formulation Stiffness in Robot Simulation.

Uri M. Ascher, Dinesh K. Pai, Benoit P. Cloutier

Int. J. Robotics Res., 1997

1995

Numerical Solution of Differential Systems with Algebraic Inequalities Arising in Robot Programming.

Raymond J. Spiteri, Uri M. Ascher, Dinesh K. Pai

Proceedings of the 1995 International Conference on Robotics and Automation, 1995

The Formulation Stiffness of Forward Dynamics Algorithms and Implications for Robot Simulation.

Benoit P. Cloutier, Dinesh K. Pai, Uri M. Ascher

Proceedings of the 1995 International Conference on Robotics and Automation, 1995

Numerical solution of boundary value problems for ordinary differential equations.

Uri M. Ascher, Robert M. M. Mattheij, Robert D. Russell

Classics in applied mathematics 13, SIAM, ISBN: 978-0-89871-354-1, 1995

1994

Collocation Software for Boundary Value Differential-Algebraic Equations.

Uri M. Ascher, Raymond J. Spiteri

SIAM J. Sci. Comput., 1994

1993

Stability of Computational Methods for Constrained Dynamics Systems.

Uri M. Ascher, Linda R. Petzold

SIAM J. Sci. Comput., 1993

1991

On parallel methods for boundary value ODEs.

Uri M. Ascher, S. Y. P. Chan

Computing, 1991

1989

A note on conditioning, stability and collocation matrices.

Uri M. Ascher, Georg Bader

Proceedings of the Conference on Numerical Ordinary Differential Equations, USA, 1989, 1989

1988

Model and solution strategy for placement of rectangular blocks in the Euclidean plane.

Amir Alon, Uri M. Ascher

IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 1988

1981

Algorithm 569: COLSYS: Collocation Software for Boundary-Value ODEs [D2].

Uri M. Ascher, J. Christiansen, Robert D. Russell

ACM Trans. Math. Softw., 1981

Collocation Software for Boundary-Value ODEs.

Uri M. Ascher, J. Christiansen, Robert D. Russell

ACM Trans. Math. Softw., 1981

1978

COLSYS - - A Collocation Code for Boundary - Value Problems.

Uri M. Ascher, J. Christiansen, Robert D. Russell

Proceedings of the Codes for Boundary-Value Problems in Ordinary Differential Equations, 1978