Parallel multiscale Gauss-Newton-Krylov methods for inverse wave propagation. - Volkan Akcelik; George Biros; Omar Ghattas (SC, 2002)

High Resolution Forward And Inverse Earthquake Modeling on Terascale Computers. - Volkan Akcelik; Jacobo Bielak; George Biros; Ioannis Epanomeritakis; Antonio Fernandez; Omar Ghattas; Eui Joong Kim; Julio C. López 001; David R. O'Hallaron; Tiankai Tu; John Urbanic (SC, 2003)

A Framework for Online Inversion-Based 3D Site Characterization. - Volkan Akcelik; Jacobo Bielak; George Biros; Ioannis Epanomeritakis; Omar Ghattas; Loukas F. Kallivokas; Eui Joong Kim (International Conference on Computational Science, 2004)

Dynamic Data-Driven Inversion For Terascale Simulations: Real-Time Identification Of Airborne Contaminants. - Volkan Akcelik; George Biros; Andrei Draganescu; Judith Hill; Omar Ghattas; Bart G. van Bloemen Waanders (SC, 2005)

Parallel Algorithms for PDE-Constrained Optimization. - Volkan Akçelik; George Biros; Omar Ghattas; Judith Hill; David E. Keyes; Bart G. van Bloemen Waanders (Parallel Processing for Scientific Computing, 2006)

Inversion of Airborne Contaminants in a Regional Model. - Volkan Akcelik; George Biros; Andrei Draganescu; Omar Ghattas; Judith Hill; Bart G. van Bloemen Waanders (International Conference on Computational Science (3), 2006)

Shape determination for deformed electromagnetic cavities. - Volkan Akcelik; Kwok Ko; Lie-Quan Lee; Zenghai Li; Cho-Kuen Ng; Liling Xiao (J. Comput. Phys., 2008)

Fast Algorithms for Bayesian Uncertainty Quantification in Large-Scale Linear Inverse Problems Based on Low-Rank Partial Hessian Approximations. - H. P. Flath; Lucas C. Wilcox; Volkan Akcelik; Judith Hill; Bart G. van Bloemen Waanders; Omar Ghattas (SIAM J. Sci. Comput., 2011)