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Fingerprint Dive into the research topics where Ludmil Tomov Zikatanov is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Mathematics

Preconditioner
Discontinuous Galerkin
Discretization
Multigrid Method
Elliptic Problems
Algebraic multigrid Method
Subspace
Graph Laplacian
Two-level Method
Preconditioning
Galerkin Approximation
Interior Penalty
Linear Systems
Finite Element
Grid
Iteration
Linear Elasticity
Graph in graph theory
Convergence Rate
High-order Finite Elements
Multilevel Methods
Mesh
Finite Element Discretization
Multilevel Preconditioning
Rate of Convergence
Multilevel Preconditioners
Algebraic multigrid
Coarsening
Energy
Discontinuous Galerkin Method
Coefficient
Cycle
Poroelasticity
Piecewise Linear
Interpolate
Uniform convergence
Finite Element Approximation
Fourier Analysis
Mixed Finite Elements
Convergence Estimates
Estimate
Operator
Polyhedron
Bisection
Second-order Elliptic Problems
Best Approximation
Stokes Problem
Singular Systems
Convection-diffusion Equation
Approximation

Engineering & Materials Science

Linear systems
Iterative methods
Coarsening
Consolidation
Finite element method
Fourier analysis
Agglomeration
Elasticity
Interpolation
Sobolev spaces
Polynomials
Mathematical operators
Partial differential equations
Factorization
Galerkin methods
Boundary value problems
Boundary conditions
Experiments
Decomposition
Anisotropy
Laplace equation
Poisson equation
Hilbert spaces
Two phase flow
Triangulation
Harmonic functions
Polynomial approximation
Helmholtz equation
Eigenvalues and eigenfunctions
Convergence of numerical methods
Advection
Maxwell equations
Poisson ratio
Vector spaces
Image segmentation
Error analysis
Free energy
Stiffness matrix
Electrostatics
Conservation
Mechanics
Computer systems
Hydrodynamics
Stabilization
Electrolytes
Electric fields