S. R. Clark. Geodynamics: The Physics and Mathematics of Terrestrial and Extra-Terrestrial Processes, Talk at the Center for Biomedical Computing Annual Meeting , 2008.

S. R. Clark. Time-Dependant Evolution of Subduction Zones, Invited Talk, 2008.

S. R. Clark. Simulating and Visualising the Earth as a Dynamic System, Talk given to Valler High School Teachers, 2008.

S. R. Clark, A. M. Bruaset, and T. M. Løseth. Handling Uncertainty in Numerical Models of Sedimentary Deposition: A Stochastic Approach, Talk given at the 33rd International Geological Congress, 2008.

S. R. Clark, M. Gurnis, and D. M. Slabs in the mantle - dynamic topography and mantle rheology in the south-western pacific, Talk given at the 33rd International Geological Congress, 2008.

J. B. Haga. Parallel Computations and the Finite Element Method, Invited talk at Sintef Applied Mathematics group, 2008.

H. P. Langtangen, O. Al-Khayat, and A. M. Bruaset. Numerical Python, Four day course at the University of Erlangen, 2008.

A. Schroll. Automatic calibration of depositional models: An inverse problems approach, Talk at 33rd International Geological Congress, Oslo, 2008.

A. Schroll. On Computational Mathematical Modeling, Colloquium, The University of Southern Danmark, 2008.

A. Schroll. Well-Based Calibration of Geological Models, Mathematisches Forschungsinstitut Oberwolfach, 2008.

A. Schroll, A. M. Bruaset, and B. F. Nielsen. Automatic Calibration of Depositional Models: An Inverse Problems Approach, In: book of abstracts, 33rd Intl. Geoogical Congress, Oslo, 2008.

X. Cai and N. Bouhmala. A unified framework of multi-objective cost functions for partitioning unstructured finite element meshes, Applied Mathematical Modelling 31(9):1711--1728, 2007.

X. Cai, B. F. Nielsen, and A. Tveito. A note on the efficiency of the Conjugate Gradient method for a class of time-dependent problems, Numerical Linear Algebra with Applications 14(5):459--467, 2007.

Kent-A. Mardal, B. F. Nielsen, X. Cai, and A. Tveito. An order optimal solver for the discretized Bidomain equations, Numerical Linear Algebra with Applications 14(2):83--98, 2007.

B. F. Nielsen, X. Cai, and O. M. Lysaker. On the possibility for computing the transmembrane potential in the heart with a one shot method; an inverse problem, Mathematical Biosciences 210(2):523--553, 2007.

A. Schroll, G. T. Lines, and A. Tveito. On the Accuracy of Operator Splitting as Applied to Discretized Reaction Diffusion Systems, International Journal of Computer Mathematics 84(6):871 - 885, 2007.

O. Al-Khayat, A. M. Bruaset, and H. P. Langtangen. Lattice Boltzmann method and Turbidity Flow Modeling, In: MekIT'07 : Fourth National Conference in Computational Mechanics, ed. by B. Skallerud and H. I. Andersson, pp. 213--228, Tapir Academic Press, 2007.

X. Cai and H. P. Langtangen. Making hybrid tsunami simulators in a parallel software framework, In: Proceedings of the PARA'06 Workshop, ed. by Kågström, B. and Elmroth, E. and Dongarra, J. and Wasniewski, J., pp. 686-693, Berlin Heidelberg, Springer Verlag. Lecture Notes in Computer Science, volume 4699, 2007.

J. B. Haga, A. M. Bruaset, X. Cai, H. P. Langtangen, H. Osnes, and J. Skogseid. Parallelisation and numerical performance of a 3D model for coupled deformation, fluid flow and heat transfer in sedimentary basins, In: MekIT'07, ed. by B. Skallerud and H. I. Andersson, pp. 151--162, Trondheim, Tapir Academic Press, 2007.

J. B. Haga, H. Osnes, H. P. Langtangen, and A. M. Bruaset. PhD: Simulation of deformation and heat flow in sedimentary basins, Simula, Project report, 2007.

O. Al-Khayat. Introduction to particle based Lattice Boltzmann Methods, Minisymposium Talk, 2007.

O. Al-Khayat, A. M. Bruaset, and H. P. Langtangen. Lattice Boltzmann method and Turbidity Flow Modeling, Talk at MekIT'07: Fourth National Conference on Computational Mechanics, 2007.

X. Cai. Simulating tsunami propagation on parallel computers using a hybrid software framework, Guest lecture given at the University of Stuttgart, March 12, 2007.

X. Cai. On building parallel algorithms and software for hydraulic tomography, Talk at SIAM GS2007 Conference, March 19-22, Santa Fe, New Mexico, USA, 2007.

X. Cai. Building hybrid parallel PDE software by domain decomposition and object-oriented programming, Talk at the ICCM 2007 Conference, April 4-6, Hiroshima, Japan, 2007.

X. Cai. Bridging the gap between computational scientists and HPC, Article published in Meta, Number 3, 2007.

X. Cai. Making parallel PDE software by object-oriented programming, Guest lecture given at Hohai University, China, May 17, 2007.

X. Cai and H. P. Langtangen. On a future software platform for demanding multi-scale and multi-physics problems, Talk at SIAM CSE07 Conference, Costa Mesa, CA, Feb. 19-23, 2007.

J. B. Haga, A. M. Bruaset, X. Cai, H. P. Langtangen, H. Osnes, and J. Skogseid. Parallelisation and Numerical Performance of a 3D Model for Coupled Deformation, Fluid Flow, and Heat Transport in Porous Geological Formations, Talk at the Fourth National Conference on Computational Mechanics (MekIT'07), Trondheim, Norway, 2007.

S. R. Clark. The Time-Dependant Evolution of Subduction Zones: Interactions of the Lithosphere and Mantle, 2007.

D. Stegman, F. A. Capitano, L. Moresi, D. Mueller, and S. R. Clark. 4-D Subduction Models Incorporating an Upper Plate, In: Eos Trans., Fall Meet. Suppl., vol. 88(52), American Geophysical Union, 2007.

J. Sundnes, G. T. Lines, X. Cai, B. F. Nielsen, Kent-A. Mardal, and A. Tveito. Computing the electrical activity in the heart, Springer-Verlag, 2006.

J. Sundnes, B. F. Nielsen, Kent-A. Mardal, X. Cai, G. T. Lines, and A. Tveito. On the computational complexity of the bidomain and the monodomain models of electrophysiology, Annals of biomedical engineering 34(7):1088-1097, 2006.

X. Cai. Improving the performance of large-scale unstructured PDE applications, In: Proceedings of the PARA'04 Workshop, June 20-23, 2004, Lyngby, Denmark, ed. by J. Dongarra, K. Madsen and J. Wasniewski, pp. 699--708, Springer. Lecture Notes in Computer Science, volume 3732, 2006.

X. Cai, G. K. Pedersen, H. P. Langtangen, and S. Glimsdal. Parallel Simulation of Tsunamis Using a Hybrid Software Approach, In: Proceedings of the International Conference ParCo 2005, September 13-16, Malaga, Spain, ed. by G. R. Joubert et al, pp. 383--390, John von Neumann Institute for Computing. Volume 33 in NIC series, 2006.

B. F. Nielsen, O. M. Lysaker, C. Tarrou, J. Sundnes, X. Cai, and Kent-A. Mardal. On the use of the bidomain equations for computing the transmembrane potential throughout the heart wall: An inverse problem, In: Computers in Cardiology 2006, ed. by A. Murray, pp. 797-800, Computers in Cardiology, 2006.

X. Cai and H. P. Langtangen. Parallelizing PDE solvers using the Python programming language, In: Numerical Solution of Partial Differential Equations on Parallel Computers, ed. by A. M. Bruaset and A. Tveito. Springer, pp. 295-325. Lecture Notes in Computational Science and Engineering, 2006.

X. Cai and G. T. Lines. Full-scale simulation of cardiac electrophysiology on parallel computers, In: Numerical Solution of Partial Differential Equations on Parallel Computers, ed. by A. M. Bruaset and A. Tveito. Springer, pp. 385--411. Lecture Notes in Computational Science and Engineering, 2006.

C. Tarrou, O. M. Lysaker, X. Cai, Kent-A. Mardal, C. Tarrou, T. S. Ruud, M. MacLachlan, and A. Tveito. Identifying Ischemic Heart Disease in Terms of ECG Recordings and an Inverse Problem for the Bidomain Equations; Modeling and Experiments, In: The Third International Conference "Inverse Problems: Modeling and Simulation", ed. by Kunisch, K. and Kabanikhin, S. I. and Hasanov, A. and Banks, H. T., pp. 138--140, Literat{\"u}r Yayincilik Ltd, 2006.

M. S. Alnæs, A. M. Bruaset, X. Cai, H. P. Langtangen, Kent-A. Mardal, H. Moe, O. Skavhaug, and Å. Ødegård. Python in High Performance Computing, Tutorial presented at the Para06 Workshop, 2006.

X. Cai. A Hybrid Software Framework for Parallel Tsunami Simulations, Talk at SIAM PP06 Conference, February 22-24, 2006, San Francisco, 2006.

X. Cai. Parallelizing serial PDE software using a generic approach, Seminar at the University of Arizona, February 27, 2006.

X. Cai. Simulating Tsunamis on Parallel Computers, Invited talk at Notur 2006 Conference, May 11-12, Bergen, Norway, 2006.

X. Cai, J. Zhu, and J. Yeh. Parallel Programming and Computing for Large-Scale Hydraulic Tomography, Poster presented at Workshop on Hydraulic Tomography, Boise, June 8-9, 2006.

X. Cai, J. Zhu, Chuen-F. Ni, and J. Yeh. Parallel Computational Methodology for Hydraulic Tomography, Poster presented at AGU Fall Meeting 2006, San Francisco, Dec. 11-15, 2006.

X. Cai, J. Zhu, Y. Zhang, and J. Yeh. Hybrid Parallelization of a 3D Transient Hydraulic Tomography Code, Poster presented at Western Pacific Geophysics Meeting 2006, Beijng, July 24-27, 2006.

B. F. Nielsen, O. M. Lysaker, X. Cai, Kent-A. Mardal, C. Tarrou, M. MacLachlan, J. Sundnes, G. T. Lines, and A. Tveito. Computational issues in heart modeling, Presented at the Johann Radon Institute for Computational and Applied Mathematics, Linz, Austria, 2006.

B. F. Nielsen, O. M. Lysaker, C. Tarrou, J. Sundnes, X. Cai, and Kent-A. Mardal. On the use of the bidomain equations for computing the transmembrane potential throughout the heart wall: An inverse problem, Presented at the Computers in Cardiology conference in Valencia, Spain, 2006.

J. Zhu, J. Yeh, and X. Cai. Fusion of Hydraulic and Tracer Tomography for DNAPL Detection, Poster presented at AGU Fall Meeting 2006, Dec. 11-15, San Francisco, 2006.

X. Cai, P. Jeberg, and H. P. Langtangen. A numerical method for computing the profile of weld pool surfaces, International Journal for Computational Methods in Engineering Science and Mechanics 6(2):115-125, 2005.