Uri M. Ascher

Publication Activity (10 Years)

Years Active: 1978-2023
Publications (10 Years): 14

Top Topics

Image Completion

Deformable Objects

Linear Combination

Stopping Criterion

Top Venues

ACM Trans. Graph.

SIAM/ASA J. Uncertain. Quantification

Found. Comput. Math.

Publications

Andreas Longva, Fabian Löschner, José Antonio Fernández-Fernández, Egor Larionov, Uri M. Ascher, Jan Bender
Pitfalls of Projection: A study of Newton-type solvers for incremental potentials. CoRR (2023)
Egor Larionov, Andreas Longva, Uri M. Ascher, Jan Bender, Dinesh K. Pai
Fully implicit frictional dynamics with soft constraints. CoRR (2022)
Tue Boesen, Eldad Haber, Uri M. Ascher
Neural DAEs: Constrained neural networks. CoRR (2022)
Yu Ju Edwin Chen, Seung Heon Sheen, Uri M. Ascher, Dinesh K. Pai
SIERE: A Hybrid Semi-Implicit Exponential Integrator for Efficiently Simulating Stiff Deformable Objects. ACM Trans. Graph. 40 (1) (2021)
Uri M. Ascher, Egor Larionov, Seung Heon Sheen, Dinesh K. Pai
Simulating deformable objects for computer animation: a numerical perspective. CoRR (2021)
Bin Wang, Yuanmin Deng, Paul G. Kry, Uri M. Ascher, Hui Huang, Baoquan Chen
Learning Elastic Constitutive Material and Damping Models. Comput. Graph. Forum 39 (7) (2020)
Uri M. Ascher
Discrete Processes and their Continuous Limits. CoRR (2019)
Yu Ju Edwin Chen, David I. W. Levin, Danny M. Kaufman, Uri M. Ascher, Dinesh K. Pai
EigenFit for consistent elastodynamic simulation across mesh resolution. Symposium on Computer Animation (2019)
Bin Wang, Paul G. Kry, Yuanmin Deng, Uri M. Ascher, Hui Huang, Baoquan Chen
Learning Elastic Constitutive Material and Damping Models. CoRR (2019)
Bin Wang, Paul G. Kry, Yuanmin Deng, Uri M. Ascher, Hui Huang, Baoquan Chen
Neural Material: Learning Elastic Constitutive Material and Damping Models from Sparse Data. CoRR (2018)
Yu Ju Chen, Uri M. Ascher, Dinesh K. Pai
Exponential Rosenbrock-Euler Integrators for Elastodynamic Simulation. IEEE Trans. Vis. Comput. Graph. 24 (10) (2018)
Farbod Roosta-Khorasani, Gábor J. Székely, Uri M. Ascher
Assessing Stochastic Algorithms for Large Scale Nonlinear Least Squares Problems Using Extremal Probabilities of Linear Combinations of Gamma Random Variables. SIAM/ASA J. Uncertain. Quantification 3 (1) (2015)
Bin Wang, Longhua Wu, KangKang Yin, Uri M. Ascher, Libin Liu, Hui Huang
Deformation capture and modeling of soft objects. ACM Trans. Graph. 34 (4) (2015)
Farbod Roosta-Khorasani, Uri M. Ascher
Improved Bounds on Sample Size for Implicit Matrix Trace Estimators. Found. Comput. Math. 15 (5) (2015)
Farbod Roosta-Khorasani, Gábor J. Székely, Uri M. Ascher
Assessing stochastic algorithms for large scale nonlinear least squares problems using extremal probabilities of linear combinations of gamma random variables. CoRR (2014)
Farbod Roosta-Khorasani, Kees van den Doel, Uri M. Ascher
Stochastic Algorithms for Inverse Problems Involving PDEs and many Measurements. SIAM J. Sci. Comput. 36 (5) (2014)
Uri M. Ascher, Farbod Roosta-Khorasani
Algorithms that satisfy a stopping criterion, probably. CoRR (2014)
Hui Huang, Uri M. Ascher
Faster gradient descent and the efficient recovery of images. CoRR (2013)
Hui Huang, Shihao Wu, Minglun Gong, Daniel Cohen-Or, Uri M. Ascher, Hao (Richard) Zhang
Edge-aware point set resampling. ACM Trans. Graph. 32 (1) (2013)
Farbod Roosta-Khorasani, Kees van den Doel, Uri M. Ascher
Data completion and stochastic algorithms for PDE inversion problems with many measurements. CoRR (2013)
Farbod Roosta-Khorasani, Uri M. Ascher
Improved bounds on sample size for implicit matrix trace estimators. CoRR (2013)
Hui Huang, Kangxue Yin, Minglun Gong, Dani Lischinski, Daniel Cohen-Or, Uri M. Ascher, Baoquan Chen
"Mind the gap": tele-registration for structure-driven image completion. ACM Trans. Graph. 32 (6) (2013)
Kees van den Doel, Uri M. Ascher
The Chaotic Nature of Faster Gradient Descent Methods. J. Sci. Comput. 51 (3) (2012)
Kees van den Doel, Uri M. Ascher
Adaptive and Stochastic Algorithms for Electrical Impedance Tomography and DC Resistivity Problems with Piecewise Constant Solutions and Many Measurements. SIAM J. Sci. Comput. 34 (1) (2012)
Kees van den Doel, Uri M. Ascher, Antonio Leitão
Multiple Level Sets for Piecewise Constant Surface Reconstruction in Highly Ill-Posed Problems. J. Sci. Comput. 43 (1) (2010)
Hui Huang, Dan Li, Hao Zhang, Uri M. Ascher, Daniel Cohen-Or
Consolidation of unorganized point clouds for surface reconstruction. ACM Trans. Graph. 28 (5) (2009)
Kees van den Doel, Uri M. Ascher
Real-Time Numerical Solution of Webster's Equation on A Nonuniform Grid. IEEE Trans. Speech Audio Process. 16 (6) (2008)
Hui Huang, Uri M. Ascher
Surface Mesh Smoothing, Regularization, and Feature Detection. SIAM J. Sci. Comput. 31 (1) (2008)
Uri M. Ascher, Eldad Haber, Hui Huang
On Effective Methods for Implicit Piecewise Smooth Surface Recovery. SIAM J. Sci. Comput. 28 (1) (2006)
Kees van den Doel, Uri M. Ascher
On level set regularization for highly ill-posed distributed parameter estimation problems. J. Comput. Phys. 216 (2) (2006)
Uri M. Ascher, Robert I. McLachlan
On Symplectic and Multisymplectic Schemes for the KdV Equation. J. Sci. Comput. 25 (1-2) (2005)
Eddy Boxerman, Uri M. Ascher
Decomposing cloth. Symposium on Computer Animation (2004)
Uri M. Ascher, Eddy Boxerman
On the modified conjugate gradient method in cloth simulation. Vis. Comput. 19 (7-8) (2003)
Uri M. Ascher, Eldad Haber
Computational Methods for Large Distributed Parameter Estimation Problems in 3D. HPSC (2003)
Dhavide A. Aruliah, Uri M. Ascher
Multigrid Preconditioning for Krylov Methods for Time-Harmonic Maxwell's Equations in Three Dimensions. SIAM J. Sci. Comput. 24 (2) (2002)
Uri M. Ascher
Numerical Methods for Differential Systems with Algebraic Equality and Inequality Constraints. HSCC (2002)
Eldad Haber, Uri M. Ascher
Fast Finite Volume Simulation of 3D Electromagnetic Problems with Highly Discontinuous Coefficients. SIAM J. Sci. Comput. 22 (6) (2001)
Dinesh K. Pai, Uri M. Ascher, Paul G. Kry
Forward Dynamics Algorithms for Multibody Chains and Contact. ICRA (2000)
Raymond J. Spiteri, Dinesh K. Pai, Uri M. Ascher
Programming and control of robots by means of differential algebraic inequalities. IEEE Trans. Robotics Autom. 16 (2) (2000)
Uri M. Ascher, Ping Lin
Sequential Regularization Methods for Simulating Mechanical Systems with Many Closed Loops. SIAM J. Sci. Comput. 21 (4) (1999)
Uri M. Ascher, Sebastian Reich
The Midpoint Scheme and Variants for Hamiltonian Systems: Advantages and Pitfalls. SIAM J. Sci. Comput. 21 (3) (1999)
J. David Moulton, Jim E. Morel, Uri M. Ascher
Approximate Schur Complement Preconditioning of the Lowest-Order Nodal Discretizations. SIAM J. Sci. Comput. 19 (1) (1998)
Uri M. Ascher, Dinesh K. Pai, Benoit P. Cloutier
Forward Dynamics, Elimination Methods, and Formulation Stiffness in Robot Simulation. Int. J. Robotics Res. 16 (6) (1997)
Uri M. Ascher
Stabilization of invariants of discretized differential systems. Numer. Algorithms 14 (1-3) (1997)
Uri M. Ascher, Ping Lin
Sequential Regularization Methods for Nonlinear Higher-Index DAEs. SIAM J. Sci. Comput. 18 (1) (1997)
Raymond J. Spiteri, Uri M. Ascher, Dinesh K. Pai
Numerical Solution of Differential Systems with Algebraic Inequalities Arising in Robot Programming. ICRA (1995)
Benoit P. Cloutier, Dinesh K. Pai, Uri M. Ascher
The Formulation Stiffness of Forward Dynamics Algorithms and Implications for Robot Simulation. ICRA (1995)
Uri M. Ascher, Raymond J. Spiteri
Collocation Software for Boundary Value Differential-Algebraic Equations. SIAM J. Sci. Comput. 15 (4) (1994)
Uri M. Ascher, Linda R. Petzold
Stability of Computational Methods for Constrained Dynamics Systems. SIAM J. Sci. Comput. 14 (1) (1993)
Uri M. Ascher, S. Y. P. Chan
On parallel methods for boundary value ODEs. Computing 46 (1) (1991)
Uri M. Ascher, G. Bader
A note on conditioning, stability and collocation matrices. Conference on Numerical Ordinary Differential Equations (1989)
Amir Alon, Uri M. Ascher
Model and solution strategy for placement of rectangular blocks in the Euclidean plane. IEEE Trans. Comput. Aided Des. Integr. Circuits Syst. 7 (3) (1988)
Uri M. Ascher, J. Christiansen, Robert D. Russell
Algorithm 569: COLSYS: Collocation Software for Boundary-Value ODEs [D2]. ACM Trans. Math. Softw. 7 (2) (1981)
Uri M. Ascher, J. Christiansen, Robert D. Russell
Collocation Software for Boundary-Value ODEs. ACM Trans. Math. Softw. 7 (2) (1981)
Uri M. Ascher, J. Christiansen, Robert D. Russell
COLSYS - - A Collocation Code for Boundary - Value Problems. Codes for Boundary-Value Problems in Ordinary Differential Equations (1978)