yusuke1997/dblp-id-title huggingface dataset:
Discontinuous Galerkin Finite Element Method for the Wave Equation
Hybrid Discontinuous Galerkin Methods with Relaxed H(div)-Conformity for Incompressible Flows. Part I
Convergence of a Particle Method and Global Weak Solutions of a Family of Evolutionary PDEs
A Discontinuous Finite Volume Method for the Stokes Problems
Finite Element Approximation of the p(·)-Laplacian
Composite Wavelet Bases with Extended Stability and Cancellation Properties
An Iterative Substructuring Method for Raviart-Thomas Vector Fields in Three Dimensions
Strong and Weak Convergence Rates of a Spatial Approximation for Stochastic Partial Differential Equation with One-sided Lipschitz Coefficient
A Stochastic Preconditioned Douglas-Rachford Splitting Method for Saddle-Point Problems
Saturation of Regularization Methods for Linear Ill-Posed Problems in Hilbert Spaces
Two Energy-Conserved Splitting Methods for Three-Dimensional Time-Domain Maxwell's Equations and the Convergence Analysis
A Sparse Grid Stochastic Collocation Method for Partial Differential Equations with Random Input Data
Walsh Spaces Containing Smooth Functions and Quasi-Monte Carlo Rules of Arbitrary High Order
Analysis of Some Padé-Chebyshev Approximants
Least-Squares Methods for Incompressible Newtonian Fluid Flow: Linear Stationary Problems
Convergence of Binomial Tree Methods for European/American Path-Dependent Options
Numerical Analysis of a Discontinuous Galerkin Method for the Borrvall-Petersson Topology Optimization Problem
Erratum: Asymptotically Compatible Schemes for Stochastic Homogenization
On Stability of Staggered Schemes
Variational Multiscale Analysis: the Fine-scale Green's Function, Projection, Optimization, Localization, and Stabilized Methods
Two-Scale Finite Element Approximation of a Homogenized Plate Model
Mollified Impulse Methods for Highly Oscillatory Differential Equations
Numerical Analysis of a Projection-Based Stabilized POD-ROM for Incompressible Flows
A Robust Multigrid Method for Elliptic Optimal Control Problems
Analysis of Algebraic Flux Correction Schemes
L$^2$ Error Estimate to Smooth Solutions of High Order Runge-Kutta Discontinuous Galerkin Method for Scalar Nonlinear Conservation Laws with and without Sonic Points
Approximation of the Value Function for Optimal Control Problems on Stratified Domains
Learning Homogenization for Elliptic Operators
An Implicit Midpoint Spectral Approximation of Nonlocal Cahn-Hilliard Equations
A Penalty Method for the Numerical Solution of Hamilton-Jacobi-Bellman (HJB) Equations in Finance
Finite Element Methods for the Simulation of Waves in Composite Saturated Poroviscoelastic Media
Approximation of Large Bending Isometries with Discrete Kirchhoff Triangles
Localized Linear Polynomial Operators and Quadrature Formulas on the Sphere
Numerical Approximation of a Quasi-Newtonian Stokes Flow Problem with Defective Boundary Conditions
Laplace Transform Method for Parabolic Problems with Time-Dependent Coefficients
Tree Approximation for hp-Adaptivity
Minimal Stencils for Discretizations of Anisotropic PDEs Preserving Causality or the Maximum Principle
Fast Finite Difference Approximation for Identifying Parameters in a Two-dimensional Space-fractional Nonlocal Model with Variable Diffusivity Coefficients
Difference-Quadrature Schemes for Nonlinear Degenerate Parabolic Integro-PDE
VEM-Nitsche Fully Discrete Polytopal Scheme for Frictionless Contact-Mechanics
Domain Decomposition Methods for the Monge-Ampère Equation
Uniform Substructuring Preconditioners for High Order FEM on Triangles and the Influence of Nodal Basis Functions
Finite Volume Methods for Domain Decomposition on Nonmatching Grids with Arbitrary Interface Conditions
A Stable Time Discretization of the Stefan Problem with Surface Tension
Stability of Symmetric Runge-Kutta Methods for Neutral Delay Integro-Differential Equations
Fully Discrete Finite Element Approximations of the Navier-Stokes-Cahn-Hilliard Diffuse Interface Model for Two-Phase Fluid Flows
Approximation of the Buckling Problem for Reissner-Mindlin Plates
A Posteriori Analysis and Improved Accuracy for an Operator Decomposition Solution of a Conjugate Heat Transfer Problem
A Tangential and Penalty-Free Finite Element Method for the Surface Stokes Problem
A Global Weak Solution via Transport-Projection Scheme to a Thin Film Growth Kinetic Model with Nonlocal Boundary Conditions
The Staggered DG Method is the Limit of a Hybridizable DG Method
Error Localization of Best L 1 Polynomial Approximants
Enhancing Least-Squares Finite Element Methods Through a Quantity-of-Interest
A Uniform Preconditioner for a Newton Algorithm for Total Variation Minimization and Minimum-Surface Problems
Error Analysis for a Mimetic Discretization of the Steady Stokes Problem on Polyhedral Meshes
Guaranteed Eigenvalue Bounds for the Steklov Eigenvalue Problem
Fast Sweeping Methods for Static Hamilton-Jacobi Equations
A Note on Adjoint Error Estimation for One-Dimensional Stationary Balance Laws with Shocks
Convergence of Numerical Schemes to a Nonlinear Kinetic Model of Population Dynamics with Nonlocal Boundary Conditions
Unified Hybridization of Discontinuous Galerkin, Mixed, and Continuous Galerkin Methods for Second Order Elliptic Problems
Crank-Nicolson Finite Element Approximations for a Linear Stochastic Fourth Order Equation with Additive Space-Time White Noise
Local Convergence of the FEM for the Integral Fractional Laplacian
Time-Implicit Approximation of the Multipressure Gas Dynamics Equations in Several Space Dimensions
Optimizing Gaussian Quadrature for Positive Definite Strong Moment Functionals
Analysis of the Extended Coupled-Cluster Method in Quantum Chemistry
A Posteriori Error Estimators for Regularized Total Variation of Characteristic Functions
Orthogonal Polynomial Approximation and Extended Dynamic Mode Decomposition in Chaos
Optimal Convergence of the Original DG Method for the Transport-Reaction Equation on Special Meshes
Discretizations of the Spectral Fractional Laplacian on General Domains with Dirichlet, Neumann, and Robin Boundary Conditions
Unique Solvability and Error Analysis of a Scheme Using the Lagrange Multiplier Approach for Gradient Flows
A Finite Element, Multiresolution Viscosity Method for Hyperbolic Conservation Laws
Finite Element Methods for a Modified Reissner-Mindlin Free Plate Model
Numerical Approximation of Semilinear Subdiffusion Equations with Nonsmooth Initial Data
Analysis of Lowest-Order Characteristics-Mixed FEMs for Incompressible Miscible Flow in Porous Media
Convergence of the Lloyd Algorithm for Computing Centroidal Voronoi Tessellations
A BDDC Algorithm for Mortar Discretization of Elasticity Problems
Shrinking Dimer Dynamics and Its Applications to Saddle Point Search
Error Estimates of a First-order Lagrange Finite Element Technique for Nonlinear Scalar Conservation Equations
An Energy-Stable Parametric Finite Element Method for the Planar Willmore Flow
Weighted-Norm First-Order System Least-Squares (FOSLS) for Div/Curl Systems with Three Dimensional Edge Singularities
High Resolution Schemes for a Hierarchical Size-Structured Model
Analysis of a Splitting Scheme for Damped Stochastic Nonlinear Schrödinger Equation with Multiplicative Noise
A Proof That Anderson Acceleration Improves the Convergence Rate in Linearly Converging Fixed-Point Methods (But Not in Those Converging Quadratically)
Approximating the Generalized Singular Value Expansion
Convergence of Anisotropic Mesh Adaptation via Metric Optimization
Numerical Integration of Stochastic Differential Equations with Nonglobally Lipschitz Coefficients
An $H_\mathsf{div}$-Based Mixed Quasi-reversibility Method for Solving Elliptic Cauchy Problems
Finite Element Approximation of Nonsolenoidal, Viscous Flows around Porous and Solid Obstacles
Peer Two-Step Methods with Embedded Sensitivity Approximation for Parameter-Dependent ODEs
Maximum principle and convergence analysis for the meshfree point collocation method
Entropy Satisfying Schemes for Computing Selection Dynamics in Competitive Interactions
Enhancing Accuracy of Deep Learning Algorithms by Training with Low-Discrepancy Sequences
Convergence Analysis of a Quasi-Continuum Approximation for a Two-Dimensional Material Without Defects
Transient Dynamics Under Structured Perturbations: Bridging Unstructured and Structured Pseudospectra
A Mass and Magnetization Conservative and Energy-Diminishing Numerical Method for Computing Ground State of Spin-1 Bose-Einstein Condensates
An Operator Preconditioned Combined Field Integral Equation for Electromagnetic Scattering
Discontinuous Finite Element Methods for Interface Problems: Robust A Priori and A Posteriori Error Estimates
The Mixed Mortar Finite Element Method for the Incompressible Stokes Problem: Convergence Analysis
A Posteriori Error Estimation for Interior Penalty Finite Element Approximations of the Advection-Reaction Equation
Numerical Dynamics of Integrodifference Equations: Global Attractivity in a C 0 -Setting
L ∞ Norm Error Estimates for HDG Methods Applied to the Poisson Equation with an Application to the Dirichlet Boundary Control Problem
On the Decay Rate of the Singular Values of Bivariate Functions
Convergence and Optimality of Higher-Order Adaptive Finite Element Methods for Eigenvalue Clusters
A Space-Time Multiscale Mortar Mixed Finite Element Method for Parabolic Equations
An HDG Method for Dirichlet Boundary Control of Convection Dominated Diffusion PDEs
Newton-Picard Preconditioners for Time-Periodic Parabolic Optimal Control Problems
A Crank-Nicolson Finite Element Method and the Optimal Error Estimates for the Modified Time-Dependent Maxwell-Schrödinger Equations
Nonequispaced Hyperbolic Cross Fast Fourier Transform
Method of Lines Transpose: High Order L-Stable O(N) Schemes for Parabolic Equations Using Successive Convolution
Efficient Rigorous Numerics for Higher-Dimensional PDEs via One-Dimensional Estimates
On the O(1/n) Convergence Rate of the Douglas-Rachford Alternating Direction Method
Convergence of a Finite Difference Scheme for the Camassa-Holm Equation
Algorithms For Positive Polynomial Approximation
L 2 Error Estimates for High Order Finite Volume Methods on Triangular Meshes
Robust A Posteriori Error Estimates for Stationary Convection-Diffusion Equations
On the Rate of Convergence for Monotone Numerical Schemes for Nonlocal Isaacs Equations
A Universal Median Quasi-Monte Carlo Integration
Polynomial Interpolation in Higher Dimension: From Simplicial Complexes to GC Sets
Hierarchical A Posteriori Error Estimators for the Mimetic Discretization of Elliptic Problems
On Galerkin Approximations for the Zakai Equation with Diffusive and Point Process Observations
An inf-sup Stable and Residual-Free Bubble Element for the Oseen Equations
Corrigendum: Regularized Least Squares Approximations on the Sphere Using Spherical Designs
A Class of Boundary Conditions for Time-Discrete Green-Naghdi Equations with Bathymetry
The Computation of Conical Diffraction Coefficients in High-Frequency Acoustic Wave Scattering
Discontinuous Galerkin Methods for 3D-1D Systems
Numerical Approximation of a Variational Inequality Related to the Humid Atmosphere
Numerical Analysis of Nonlocal Fracture Models in Hölder Space
Convergence Analysis of Machine Learning Algorithms for the Numerical Solution of Mean Field Control and Games I: The Ergodic Case
Time Discretization of Parabolic Problems by the HP-Version of the Discontinuous Galerkin Finite Element Method
Crank-Nicolson Alternative Direction Implicit Method for Space-Fractional Diffusion Equations with Nonseparable Coefficients
Convergence Analysis of Grad's Hermite Expansion for Linear Kinetic Equations
Efficient, Unconditionally Stable, and Optimally Accurate FE Algorithms for Approximate Deconvolution Models
Optimal Fractional Integration Preconditioning and Error Analysis of Fractional Collocation Method Using Nodal Generalized Jacobi Functions
Asymptotic Compatibility of a Class of Numerical Schemes for a Nonlocal Traffic Flow Model
Stable Cell-Centered Finite Volume Discretization for Biot Equations
On the Numerical Analysis of the Imperfect Bifurcation of codim <= 3
Solving PDEs with Incomplete Information
Mixed Finite Element Methods for Linear Cosserat Equations
Discrete Ingham Inequalities and Applications
Error Analysis of Coarse-Graining for Stochastic Lattice Dynamics
Projected Particle Methods for Solving McKean-Vlasov Stochastic Differential Equations
Erratum: Finite Element Approximation of the Cahn-Hilliard-Cook Equation
An Abstract Analysis of Optimal Goal-Oriented Adaptivity
Value-Gradient Based Formulation of Optimal Control Problem and Machine Learning Algorithm
Computational Lower Bounds of the Maxwell Eigenvalues
Mixed Finite Element Formulation and Error Estimates Based on Proper Orthogonal Decomposition for the Nonstationary Navier-Stokes Equations
A Computational Measure Theoretic Approach to Inverse Sensitivity Problems II: A Posteriori Error Analysis
An H 1 (P h )-Coercive Discontinuous Galerkin Formulation for the Poisson Problem: 1D Analysis
Discrete Transforms and Orthogonal Polynomials of (Anti)Symmetric Multivariate Cosine Functions
Spectrum of the Jacobi Tau Approximation for the Second Derivative Operator
From Rough Path Estimates to Multilevel Monte Carlo
Numerical Approximation of Statistical Solutions of Scalar Conservation Laws
Coupling Discontinuous Galerkin and Mixed Finite Element Discretizations using Mortar Finite Elements
An Iterative Lagrange Multiplier Method for Constrained Total-Variation-Based Image Denoising
Numerical Analysis of Filter-Based Stabilization for Evolution Equations
Modified Trigonometric Integrators
Convergence of the Binomial Tree Method for American Options in a Jump-Diffusion Model
A FETI-DP Type Domain Decomposition Algorithm for Three-Dimensional Incompressible Stokes Equations
DG Approximation of Coupled Navier-Stokes and Darcy Equations by Beaver-Joseph-Saffman Interface Condition
Error Estimates for Cq 1 Isoparametric Elements Satisfying a Weak Angle Condition
A Priori Error Estimates for Mixed Finite Element Approximations of the Acoustic Wave Equation
Computational Parametric Willmore Flow with Spontaneous Curvature and Area Difference Elasticity Effects
A Stabilization of a Continuous Limit of the Ensemble Kalman Inversion
Error Estimate of Fourth-Order Compact Scheme for Linear Schrödinger Equations
A Delta-Regularization Finite Element Method for a Double Curl Problem with Divergence-Free Constraint
Gegenbauer Tau Methods With and Without Spurious Eigenvalues
Galerkin Methods Based on Hermite Splines for Singular Perturbation Problems
Compressed Absorbing Boundary Conditions via Matrix Probing
Approximation of High-Dimensional Periodic Functions with Fourier-Based Methods
Weighted-Norm First-Order System Least Squares (FOSLS) for Problems with Corner Singularities
A Posteriori Error Analysis of the Reduced Basis Method for Nonaffine Parametrized Nonlinear PDEs
Certified Parallelotope Continuation for One-Manifolds
Inexact Restoration for Runge-Kutta Discretization of Optimal Control Problems
A First-Order System Least Squares Finite Element Method for the Shallow Water Equations
Additive Schwarz Methods for Convex Optimization as Gradient Methods
Order Estimates in Time of Splitting Methods for the Nonlinear Schrödinger Equation
A Multipoint Flux Mixed Finite Element Method on Hexahedra
Convergence Theory of Restricted Multiplicative Schwarz Methods
Brezzi-Douglas-Marini Interpolation of Any Order on Anisotropic Triangles and Tetrahedra
An Arbitrary High Order Weak Approximation of SDE and Malliavin Monte Carlo: Analysis of Probability Distribution Functions
Gauss-Turán Quadrature Formulas: Asymptotics of Weights
A New Analysis of Empirical Interpolation Methods and Chebyshev Greedy Algorithms
Pointwise A Posteriori Error Estimates for Discontinuous Galerkin Methods for Singularly Perturbed Reaction-Diffusion Equations
Nonconforming, Anisotropic, Rectangular Finite Elements of Arbitrary Order for the Stokes Problem
Minimizers of Cost-Functions Involving Nonsmooth Data-Fidelity Terms. Application to the Processing of Outliers
NonReversible Sampling Schemes on Submanifolds
The Interface Control Domain Decomposition Method for Stokes-Darcy Coupling
Parameterized Wasserstein Hamiltonian Flow
A Posteriori Error Estimates for Pressure-Correction Schemes
Sharp Convergence Estimates for the Preconditioned Steepest Descent Method for Hermitian Eigenvalue Problems
Solution of Degenerate Convection-Diffusion Problems by the Method of Characteristics
Reconstructing Hyperbolic Cross Trigonometric Polynomials by Sampling along Rank-1 Lattices
Numerical Solutions of the Spectral Problem for Arbitrary Self-Adjoint Extensions of the One-Dimensional Schrödinger Equation
Multilevel Monte Carlo Finite Element Methods for Stochastic Elliptic Variational Inequalities
A Finite Element Analysis of a Linearized Problem of the Navier-Stokes Equations with Surface Tension
A FETI-DP Preconditioner with A Special Scaling for Mortar Discretization of Elliptic Problems with Discontinuous Coefficients
Detection of Edges in Spectral Data II. Nonlinear Enhancement
Hybrid First-Order System Least Squares Finite Element Methods with Application to Stokes Equations
Multilevel Monte Carlo for Stochastic Differential Equations with Small Noise
B-Spline-Based Monotone Multigrid Methods
The Lanczos Tau Framework for Time-Delay Systems: Padé Approximation and Collocation Revisited
Well-Posedness and Finite Element Approximation for the Convection Model in Superposed Fluid and Porous Layers
Stability Of A Force-Based Hybrid Method With Planar Sharp Interface
Variational Barrier Method of Adaptive Grid Generation in Hyperbolic Problems of Gas Dynamics
Convergence of the Finite Element Method for the Porous Media Equation with Variable Exponent
A Numerical Energy Reduction Approach for Semilinear Diffusion-Reaction Boundary Value Problems Based on Steady-State Iterations
A Fourier Integrator for the Cubic Nonlinear Schrödinger Equation with Rough Initial Data
Petrov-Galerkin Methods for Linear Volterra Integro-Differential Equations
Iterative Methods for a Class of Robust Control Problems in Fluid Mechanics
Rapid Evaluation of Nonreflecting Boundary Kernels for Time-Domain Wave Propagation
A Kernel-Based Least-Squares Collocation Method for Surface Diffusion
An Algorithm for Computing Fekete Points in the Triangle
Error Estimates for the Raviart-Thomas Interpolation Under the Maximum Angle Condition
Stability and Error Estimates of Local Discontinuous Galerkin Methods with Implicit-Explicit Time-Marching for Advection-Diffusion Problems
Analysis of the Schwarz Domain Decomposition Method for the Conductor-like Screening Continuum Model
Adjoint-Based Iterative Method for Robust Control Problems in Fluid Mechanics
B-Spline Linear Multistep Methods and their Continuous Extensions
A Finite Element Method for Hyperbolic Metamaterials with Applications for Hyperlens
Algebraic Multilevel Preconditioners for the Graph Laplacian Based on Matching in Graphs
An Optimal-Order Error Estimate for an ELLAM Scheme for Two-Dimensional Linear Advection-Diffusion Equations
B-Convergence Theory of Runge-Kutta Methods for Stiff Volterra Functional Differential Equations with Infinite Integration Interval
Convergence of a Semi-Lagrangian Scheme for the BGK Model of the Boltzmann Equation
Stability of Variable-Step BDF2 and BDF3 Methods
A Geometric Nonlinear Conjugate Gradient Method for Stochastic Inverse Eigenvalue Problems
Analysis of First-Order System Least Squares (FOSLS) for Elliptic Problems with Discontinuous Coefficients: Part II
Goal-Oriented Local A Posteriori Error Estimators for H(div) Least-Squares Finite Element Methods
Sparse Compression of Expected Solution Operators
Convergence of Adaptive Mixed Finite Element Methods for the Hodge Laplacian Equation: Without Harmonic Forms
Optimal Reduced Model Algorithms for Data-Based State Estimation
Uniform Pointwise Convergence on Shishkin-Type Meshes for Quasi-Linear Convection-Diffusion Problems
Applying an Oriented Divergence Theorem to Swept Face Remap
On Using Approximate Finite Differences in Matrix-Free Newton-Krylov Methods
Preconditioning the Mass Matrix for High Order Finite Element Approximation on Triangles
Boundary Integral Equation Methods for the Two-Dimensional Fluid-Solid Interaction Problem
A Generalized Fast Marching Method for Dislocation Dynamics
A Hyperspherical Adaptive Sparse-Grid Method for High-Dimensional Discontinuity Detection
Error Analysis of the SUPG Finite Element Discretization of Evolutionary Convection-Diffusion-Reaction Equations
P 1 -Nonconforming Finite Elements on Triangulations into Triangles and Quadrilaterals
On Analysis of Projection Methods for Rational Function Approximation to the Matrix Exponential
Criticality Measure-Based Error Estimates for Infinite Dimensional Optimization
Discrete Maximal Parabolic Regularity for Galerkin Finite Element Methods for Nonautonomous Parabolic Problems
Analysis of Numerical Errors in Large Eddy Simulation
Isoparametric Unfitted BDF-Finite Element Method for PDEs on Evolving Domains
Long Time Stability of a Classical Efficient Scheme for Two-dimensional Navier-Stokes Equations
The NonConforming Virtual Element Method for the Stokes Equations
Evolutionary Variational Inequalities Arising in Viscoelastic Contact Problems
Space-Time Domain Decomposition for Reduced Fracture Models in Mixed Formulation
Construction of Smooth Refinable Function Vectors by Cascade Algorithms
A Staggered Cell-Centered Finite Element Method for Compressible and Nearly-Incompressible Linear Elasticity on General Meshes
Divergence-Conforming Discontinuous Galerkin Methods and C 0 Interior Penalty Methods
A Finite Element Method for 3D Exterior Oseen Flows: Error Estimates
Unconditional Stability of Corrected Explicit-Implicit Domain Decomposition Algorithms for Parallel Approximation of Heat Equations
Energy-Conserved Splitting Finite-Difference Time-Domain Methods for Maxwell's Equations in Three Dimensions
Approximation of Time-Dependent Viscoelastic Fluid Flow: SUPG Approximation
Finite Element Approximations of Parabolic Optimal Control Problems with Controls Acting on a Lower Dimensional Manifold
Long-Time Stability and Convergence of the Uniaxial Perfectly Matched Layer Method for Time-Domain Acoustic Scattering Problems
Explicit Exponential Runge-Kutta Methods for Semilinear Integro-Differential Equations
Weighted Marking for Goal-oriented Adaptive Finite Element Methods
Partially Penalized Immersed Finite Element Methods For Elliptic Interface Problems
Convergence of the Random Batch Method for Interacting Particles with Disparate Species and Weights
Multiadaptive Galerkin Methods for ODEs III: A Priori Error Estimates
Balanced Splitting and Rebalanced Splitting
Wavenumber-Explicit hp-BEM for High Frequency Scattering
A Hybrid High-Order Method for the Cahn-Hilliard problem in Mixed Form
A Finite Element Like Scheme for Integro-Partial Differential Hamilton-Jacobi-Bellman Equations
Centroidal Power Diagrams, Lloyd's Algorithm, and Applications to Optimal Location Problems
Spherical Zone t -Designs for Numerical Integration and Approximation
On the Quasi-unconditional Stability of BDF-ADI Solvers for the Compressible Navier-Stokes Equations and Related Linear Problems
Numerical Analysis for a System Coupling Curve Evolution to Reaction Diffusion on the Curve
Erratum: On a Hermite interpolation by polynomials of two variables
An Optimal-Order Error Estimate for a Family of ELLAM-MFEM Approximations to Porous Medium Flow
The Maximum Angle Condition for Mixed and Nonconforming Elements: Application to the Stokes Equations
A Kernel Compression Scheme for Fractional Differential Equations
PML Method for Electromagnetic Scattering Problem in a Two-Layer Medium
Entropy Formulation for Parabolic Degenerate Equations with General Dirichlet Boundary Conditions and Application to the Convergence of FV Methods
Stochastic Convergence of Regularized Solutions and Their Finite Element Approximations to Inverse Source Problems
Numerical Reconstruction of Heat Fluxes
Stability and Error Estimates of Fully Discrete Schemes for the Brusselator System
The Approximate Inverse in Action with an Application to Computerized Tomography
A V-cycle Multigrid Approach for Mortar Finite Elements