| Elliptic reconstruction and a posteriori error estimates for fully discrete linear parabolic problems O Lakkis, C Makridakis Mathematics of computation 75 (256), 1627-1658, 2006 | 169 | 2006 |
| A finite element method for nonlinear elliptic problems O Lakkis, T Pryer SIAM Journal on Scientific Computing 35 (4), A2025-A2045, 2013 | 88 | 2013 |
| A posteriori error control for discontinuous Galerkin methods for parabolic problems EH Georgoulis, O Lakkis, JM Virtanen SIAM journal on numerical analysis 49 (2), 427-458, 2011 | 80 | 2011 |
| A finite element method for second order nonvariational elliptic problems O Lakkis, T Pryer SIAM Journal on Scientific Computing 33 (2), 786-801, 2011 | 70 | 2011 |
| Finite element method for epitaxial growth with attachment–detachment kinetics E Bänsch, F Haußer, O Lakkis, B Li, A Voigt Journal of Computational Physics 194 (2), 409-434, 2004 | 66 | 2004 |
| Implicit--explicit timestepping with finite element approximation of reaction--diffusion systems on evolving domains O Lakkis, A Madzvamuse, C Venkataraman SIAM Journal on Numerical Analysis 51 (4), 2309-2330, 2013 | 62 | 2013 |
| Noise regularization and computations for the 1-dimensional stochastic Allen–Cahn problem MA Katsoulakis, GT Kossioris, O Lakkis Interfaces and Free Boundaries 9 (1), 1-30, 2007 | 58 | 2007 |
| A posteriori error estimates in the maximum norm for parabolic problems A Demlow, O Lakkis, C Makridakis SIAM journal on numerical analysis 47 (3), 2157-2176, 2009 | 57 | 2009 |
| A posteriori L ∞(L2)-error bounds for finite element approximations to the wave equation EH Georgoulis, O Lakkis, C Makridakis IMA Journal of Numerical Analysis 33 (4), 1245-1264, 2013 | 42 | 2013 |
| Global existence for semilinear reaction–diffusion systems on evolving domains C Venkataraman, O Lakkis, A Madzvamuse Journal of mathematical biology 64, 41-67, 2012 | 39 | 2012 |
| A posteriori error estimates for leap-frog and cosine methods for second order evolution problems EH Georgoulis, O Lakkis, CG Makridakis, JM Virtanen SIAM Journal on Numerical Analysis 54 (1), 120-136, 2016 | 31 | 2016 |
| Gradient recovery in adaptive finite-element methods for parabolic problems O Lakkis, T Pryer IMA Journal of Numerical Analysis 32 (1), 246-278, 2012 | 28 | 2012 |
| Numerical analysis of multiscale problems IG Graham, TY Hou, O Lakkis, R Scheichl Springer Science & Business Media, 2012 | 26 | 2012 |
| Existence of solutions for a class of semilinear polyharmonic equations with critical exponential growth O Lakkis | 25 | 1999 |
| A posteriori error analysis for the mean curvature flow of graphs O Lakkis, RH Nochetto SIAM journal on numerical analysis 42 (5), 1875-1898, 2005 | 21 | 2005 |
| A posteriori error bounds for fully-discrete hp-discontinuous Galerkin timestepping methods for parabolic problems EH Georgoulis, O Lakkis, TP Wihler Numerische Mathematik 148, 363-386, 2021 | 19 | 2021 |
| A finite element method for the Monge-Amp\ere equation with transport boundary conditions E Kawecki, O Lakkis, T Pryer arXiv preprint arXiv:1807.03535, 2018 | 19 | 2018 |
| A comparison of duality and energy a posteriori estimates for 𝐿_ {∞}(0, 𝑇; 𝐿₂ (\varOmega)) in parabolic problems O Lakkis, C Makridakis, T Pryer Mathematics of Computation 84 (294), 1537-1569, 2015 | 19 | 2015 |
| A Saint-Venant model for overland flows with precipitation and recharge M Ersoy, O Lakkis, P Townsend Mathematical and Computational Applications 26 (1), 1, 2020 | 18 | 2020 |
| Rate of convergence for a Galerkin scheme approximating a two-scale reaction-diffusion system with nonlinear transmission condition A Muntean, O Lakkis arXiv preprint arXiv:1002.3793, 2010 | 14 | 2010 |
Tristan PryerUniversity of BathVerified email at bath.ac.uk
