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ORCIDUri M. Ascher
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- affiliation: University of British Columbia, Vancouver, Canada
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2020 – today
- 2024
[j35]Egor Larionov
, Andreas Longva, Uri M. Ascher, Jan Bender, Dinesh K. Pai:
Implicit Frictional Dynamics With Soft Constraints. IEEE Trans. Vis. Comput. Graph. 30(12): 7776-7787 (2024)- 2023
- [i12]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 abs/2311.14526 (2023) - 2022
- [i11]Egor Larionov, Andreas Longva, Uri M. Ascher, Jan Bender, Dinesh K. Pai:
Fully implicit frictional dynamics with soft constraints. CoRR abs/2211.10618 (2022) - [i10]Tue Boesen, Eldad Haber, Uri M. Ascher:
Neural DAEs: Constrained neural networks. CoRR abs/2211.14302 (2022) - 2021
- [j34]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): 3:1-3:12 (2021) - [i9]Uri M. Ascher, Egor Larionov, Seung Heon Sheen, Dinesh K. Pai:
Simulating deformable objects for computer animation: a numerical perspective. CoRR abs/2103.01891 (2021) - 2020
- [j33]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): 81-91 (2020)
2010 – 2019
- 2019
- [c9]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: 5:1-5:13 - [i8]Bin Wang, Paul G. Kry, Yuanmin Deng, Uri M. Ascher, Hui Huang, Baoquan Chen:
Learning Elastic Constitutive Material and Damping Models. CoRR abs/1909.01875 (2019) - [i7]Uri M. Ascher:
Discrete Processes and their Continuous Limits. CoRR abs/1910.02098 (2019) - 2018
- [j32]Yu Ju Chen, Uri M. Ascher, Dinesh K. Pai:
Exponential Rosenbrock-Euler Integrators for Elastodynamic Simulation. IEEE Trans. Vis. Comput. Graph. 24(10): 2702-2713 (2018) - [i6]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 abs/1808.04931 (2018) - 2015
- [j31]Farbod Roosta-Khorasani, Uri M. Ascher:
Improved Bounds on Sample Size for Implicit Matrix Trace Estimators. Found. Comput. Math. 15(5): 1187-1212 (2015) - [j30]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): 61-90 (2015) - [j29]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): 94:1-94:12 (2015) - 2014
- [j28]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) - [i5]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 abs/1404.0122 (2014) - [i4]Uri M. Ascher, Farbod Roosta-Khorasani:
Algorithms that satisfy a stopping criterion, probably. CoRR abs/1408.5946 (2014) - 2013
- [j27]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): 9:1-9:12 (2013) - [j26]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): 174:1-174:10 (2013) - [i3]Hui Huang, Uri M. Ascher:
Faster gradient descent and the efficient recovery of images. CoRR abs/1308.2464 (2013) - [i2]Farbod Roosta-Khorasani, Uri M. Ascher:
Improved bounds on sample size for implicit matrix trace estimators. CoRR abs/1308.2475 (2013) - [i1]Farbod Roosta-Khorasani, Kees van den Doel, Uri M. Ascher:
Data completion and stochastic algorithms for PDE inversion problems with many measurements. CoRR abs/1312.0707 (2013) - 2012
- [j25]Kees van den Doel, Uri M. Ascher:
The Chaotic Nature of Faster Gradient Descent Methods. J. Sci. Comput. 51(3): 560-581 (2012) - [j24]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) - 2010
- [j23]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): 44-66 (2010)
2000 – 2009
- 2009
- [j22]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): 176 (2009) - 2008
- [j21]Hui Huang, Uri M. Ascher:
Surface Mesh Smoothing, Regularization, and Feature Detection. SIAM J. Sci. Comput. 31(1): 74-93 (2008) - [j20]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): 1163-1172 (2008) - 2006
- [j19]Kees van den Doel, Uri M. Ascher:
On level set regularization for highly ill-posed distributed parameter estimation problems. J. Comput. Phys. 216(2): 707-723 (2006) - [j18]Uri M. Ascher, Eldad Haber, Hui Huang:
On Effective Methods for Implicit Piecewise Smooth Surface Recovery. SIAM J. Sci. Comput. 28(1): 339-358 (2006) - 2005
- [j17]Uri M. Ascher, Robert I. McLachlan:
On Symplectic and Multisymplectic Schemes for the KdV Equation. J. Sci. Comput. 25(1-2): 83-104 (2005) - 2004
- [c8]Eddy Boxerman, Uri M. Ascher:
Decomposing cloth. Symposium on Computer Animation 2004: 153-161 - 2003
- [j16]Uri M. Ascher, Eddy Boxerman:
On the modified conjugate gradient method in cloth simulation. Vis. Comput. 19(7-8): 526-531 (2003) - [c7]Uri M. Ascher, Eldad Haber:
Computational Methods for Large Distributed Parameter Estimation Problems in 3D. HPSC 2003: 15-36 - 2002
- [j15]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): 702-718 (2002) - [c6]Uri M. Ascher:
Numerical Methods for Differential Systems with Algebraic Equality and Inequality Constraints. HSCC 2002: 3-4 - 2001
- [j14]Eldad Haber, Uri M. Ascher:
Fast Finite Volume Simulation of 3D Electromagnetic Problems with Highly Discontinuous Coefficients. SIAM J. Sci. Comput. 22(6): 1943-1961 (2001) - 2000
- [j13]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): 135-145 (2000) - [c5]Dinesh K. Pai, Uri M. Ascher, Paul G. Kry:
Forward Dynamics Algorithms for Multibody Chains and Contact. ICRA 2000: 857-863
1990 – 1999
- 1999
- [j12]Uri M. Ascher, Sebastian Reich:
The Midpoint Scheme and Variants for Hamiltonian Systems: Advantages and Pitfalls. SIAM J. Sci. Comput. 21(3): 1045-1065 (1999) - [j11]Uri M. Ascher, Ping Lin:
Sequential Regularization Methods for Simulating Mechanical Systems with Many Closed Loops. SIAM J. Sci. Comput. 21(4): 1244-1262 (1999) - [p1]Uri M. Ascher, Sebastian Reich:
On Some Difficulties in Integrating Highly Oscillatory Hamiltonian Systems. Computational Molecular Dynamics 1999: 281-296 - 1998
- [b2]Uri M. Ascher, Linda R. Petzold:
Computer methods for ordinary differential equations and differential-algebraic equations. SIAM 1998, ISBN 978-0-89871-412-8, pp. I-XVII, 1-314 - [j10]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): 185-205 (1998) - 1997
- [j9]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): 749-758 (1997) - [j8]Uri M. Ascher:
Stabilization of invariants of discretized differential systems. Numer. Algorithms 14(1-3): 1-24 (1997) - [j7]Uri M. Ascher, Ping Lin:
Sequential Regularization Methods for Nonlinear Higher-Index DAEs. SIAM J. Sci. Comput. 18(1): 160-181 (1997) - 1995
- [b1]Uri M. Ascher, Robert M. M. Mattheij, Robert D. Russell:
Numerical solution of boundary value problems for ordinary differential equations. Classics in applied mathematics 13, SIAM 1995, ISBN 978-0-89871-354-1, pp. I-XXV, 1-595 - [c4]Raymond J. Spiteri, Uri M. Ascher, Dinesh K. Pai:
Numerical Solution of Differential Systems with Algebraic Inequalities Arising in Robot Programming. ICRA 1995: 2373-2380 - [c3]Benoit P. Cloutier, Dinesh K. Pai, Uri M. Ascher:
The Formulation Stiffness of Forward Dynamics Algorithms and Implications for Robot Simulation. ICRA 1995: 2816-2822 - 1994
- [j6]Uri M. Ascher, Raymond J. Spiteri:
Collocation Software for Boundary Value Differential-Algebraic Equations. SIAM J. Sci. Comput. 15(4): 938-952 (1994) - 1993
- [j5]Uri M. Ascher, Linda R. Petzold:
Stability of Computational Methods for Constrained Dynamics Systems. SIAM J. Sci. Comput. 14(1): 95-120 (1993) - 1991
- [j4]Uri M. Ascher, S. Y. P. Chan:
On parallel methods for boundary value ODEs. Computing 46(1): 1-17 (1991)
1980 – 1989
- 1989
- [c2]Uri M. Ascher, Georg Bader:
A note on conditioning, stability and collocation matrices. Conference on Numerical Ordinary Differential Equations 1989: 437-448 - 1988
- [j3]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): 378-386 (1988) - 1981
- [j2]Uri M. Ascher, J. Christiansen, Robert D. Russell:
Collocation Software for Boundary-Value ODEs. ACM Trans. Math. Softw. 7(2): 209-222 (1981) - [j1]Uri M. Ascher, J. Christiansen, Robert D. Russell:
Algorithm 569: COLSYS: Collocation Software for Boundary-Value ODEs [D2]. ACM Trans. Math. Softw. 7(2): 223-229 (1981)
1970 – 1979
- 1978
- [c1]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: 164-185
Coauthor Index
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