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Found 174 Documents (Results 1–100)

Comparison analysis of two numerical methods for fractional diffusion problems based on the best rational approximations of \(t^\gamma\) on \([0, 1]\). (English) Zbl 1429.65064

Apel, Thomas (ed.) et al., Advanced finite element methods with applications. Selected papers from the 30th Chemnitz finite element symposium, St. Wolfgang/Strobl, Austria, September 25–27, 2017. Cham: Springer. Lect. Notes Comput. Sci. Eng. 128, 165-185 (2019).
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The Best Uniform Rational Approximation: Applications to Solving Equations Involving Fractional powers of Elliptic Operators. arXiv:1910.13865

Preprint, arXiv:1910.13865 [math.NA] (2019).
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Mixed FEM for second order elliptic problems on polygonal meshes with BEM-based spaces. (English) Zbl 07238847

Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 9th international conference, LSSC 2013, Sozopol, Bulgaria, June 3–7, 2013. Revised selected papers. Berlin: Springer. Lect. Notes Comput. Sci. 8353, 331-338 (2014).
MSC:  65-XX
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Preconditioning of weighted H(div)-norm and applications to numerical simulation of highly heterogeneous media. arXiv:1406.4455

Preprint, arXiv:1406.4455 [math.NA] (2014).
MSC:  65F10 65N20 65N30
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Galerkin FEM for fractional order parabolic equations with initial data in \(H ^{ - s }\), \(0 \leq s \leq 1\). (English) Zbl 1352.65351

Dimov, Ivan (ed.) et al., Numerical analysis and its applications. 5th international conference, NAA 2012, Lozenetz, Bulgaria, June 15–20, 2012. Revised selected papers. Berlin: Springer (ISBN 978-3-642-41514-2/pbk). Lecture Notes in Computer Science 8236, 24-37 (2013).
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Robust solvers for symmetric positive definite operators and weighted Poincaré inequalities. (English) Zbl 1310.65140

Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 8th international conference, LSSC 2011, Sozopol, Bulgaria, June 6–10, 2011. Revised selected papers. Berlin: Springer (ISBN 978-3-642-29842-4/pbk). Lecture Notes in Computer Science 7116, 43-51 (2012).
MSC:  65N22 65N55
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Discontinuous Galerkin subgrid finite element method for heterogeneous Brinkman’s equations. (English) Zbl 1280.76061

Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 7th international conference, LSSC 2009, Sozopol, Bulgaria, June 4–8, 2009. Revised papers. Berlin: Springer (ISBN 978-3-642-12534-8/pbk). Lecture Notes in Computer Science 5910, 14-25 (2010).
MSC:  76S05 76M10 65M60
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Predictioning of symmetric interior penalty discontinuous Galerkin FEM for elliptic problems. (English) Zbl 1267.65194

Langer, Ulrich (ed.) et al., Domain decomposition methods in science and engineering XVII. Selected papers based on the presentations at the 17th international conference on domain decomposition methods, St. Wolfgang/Strobl, Austria, July 3–7, 2006. Berlin: Springer (ISBN 978-3-540-75198-4/pbk). Lecture Notes in Computational Science and Engineering 60, 33-44 (2008).
MSC:  65N55
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Postprocessing and improved accuracy of the lowest-order mixed finite element approximation for biharmonic eigenvalues. (English) Zbl 1142.65438

Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 5th international conference, LSSC 2005, Sozopol, Bulgaria, June 6–10, 2005. Revised papers. Berlin: Springer (ISBN 3-540-31994-8/pbk). Lecture Notes in Computer Science 3743, 613-620 (2006).
MSC:  65N30 65N15
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Multiscale interpolation, backward in time error analysis for data-driven contaminant simulation. (English) Zbl 1129.68559

Sunderam, Vaidy S. (ed.) et al., Computational science – ICCS 2005. 5th international conference, Atlanta, GA, USA, May 22–25, 2005. Proceedings, Part II. Berlin: Springer (ISBN 3-540-26043-9/pbk). Lecture Notes in Computer Science 3515, 640-647 (2005).
MSC:  68U20
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On a two-level parallel MIC(0) preconditioning of Crouzeix-Raviart non-conforming FEM systems. (English) Zbl 1032.65045

Dimov, Ivan (ed.) et al., Numerical methods and applications. 5th international conference, NMA 2002, Borovets, Bulgaria, August 20-24, 2002. Revised papers. Berlin: Springer. Lect. Notes Comput. Sci. 2542, 192-201 (2003).
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On finite volume discretization of elliptic interface problems. (English) Zbl 1118.65386

Herbin, Raphaéle (ed.) et al., Finite volumes for complex applications III. Problems and perspectives. Papers from the 3rd symposium of finite volumes for complex applications, Porquerolles, France, June 24–28, 2002. London: Hermes Penton Science (ISBN 1-9039-9634-1/pbk). 301-308 (2002).
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The finite volume element method in nonconvex polygonal domains. (English) Zbl 1118.65385

Herbin, Raphaéle (ed.) et al., Finite volumes for complex applications III. Problems and perspectives. Papers from the 3rd symposium of finite volumes for complex applications, Porquerolles, France, June 24–28, 2002. London: Hermes Penton Science (ISBN 1-9039-9634-1/pbk). 171-178 (2002).
MSC:  65N30 35J25 65N15
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Adaptive finite volume element method for convection-diffusion-reaction problems in 3 D. (English) Zbl 1047.76061

Minev, Peter (ed.) et al., Scientific computing and applications. Proceedings of the 2nd international workshop, IWSCA, Kananaskis, Canada, May–June 2000. Huntington, NY: Nova Science Publishers (ISBN 1-59033-027-7/hbk). Adv. Comput., Theory Pract. 7, 91-106 (2001).
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On the discretization of interface problems with perfect and imperfect contact. (English) Zbl 1014.76061

Chen, Zhangxin (ed.) et al., Numerical treatment of multiphase flows in porous media. Proceedings of the international workshop, Beijing, China, August 2-6, 1999. Berlin: Springer. Lect. Notes Phys. 552, 93-103 (2000).
MSC:  76M20 76S05 65N06
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Mixed finite element methods for elliptic problems on non-matching grids. (English) Zbl 0965.65128

Griebel, Michael (ed.) et al., Large-scale scientific computations of engineering and environmental problems II. Proceedings of the 2nd workshop, Sozopol, Bulgaria, June 2-6, 1999. Braunschweig: Vieweg. Notes Numer. Fluid Mech. 73, 25-35 (2000).
MSC:  65N30 35J25 65N12
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Coupling mixed and finite volume discretizations of convection-diffusion-reaction equations on non-matching grids. (English) Zbl 1052.65554

Vilsmeier, Roland (ed.) et al., Finite volumes for complex applications II. Problems and perspectives. Papers from the 2nd international conference, Duisburg, July 19–22, 1999. Paris: Hermes Science Publications (ISBN 1-7462-0057-0). 51-68 (1999).
MSC:  65N06 76M12
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Finite volume element approximations of integro-differential parabolic problems. (English) Zbl 0980.65150

Iliev, O. P. (ed.) et al., Recent advances in numerical methods and applications. Proceedings of the 4th international conference, NMA ’98, Sofia, Bulgaria, August 19-23, 1998. Singapore: World Scientific. 3-15 (1999).
MSC:  65R20 45K05
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