D. D. O'Regan, "Diffeogeometric compensation for basis set evolution in quantum atomistic simulations", Irish Quantum Foundations 2017, University College Dublin, May 2017. https://maths.ucd.ie/iqf2017/
D. Cole, G. Lever, L. Lee, C. Weber, D. D. O’Regan, N. Hine, A. Chin, C.-K. Skylaris, and M. Payne, “Applications of Large-Scale Electronic Structure Calculations in Biology”, Psi-k Conference, San Sebastián, Spain, September 2015. http://nano-bio.ehu.es/psik2015/pdf/Congreso_2015.pdf
Teobaldi, B. J. Morgan, D. D. O’Regan, N. D. M. Hine, and A. A. Mostofi, “Subspace-corrected functionals for linear-scaling density functional theory simulation of extended energy storage interfaces”, 248th National Meeting of the American Chemical Society (ACS), ISSN: 0065-7727 (2014). 2.elb.amazonaws.com/chem/248nm/program/view.php? obj_id=260115&terms=
D. D. O’Regan, “Linear-scaling DFT+U and DFT+DMFT”, Invited Speaker, CECAM “What about U” Workshop on strong correlations from first-principles, Lausanne, Switzerland, June 2014.
D. D. O’Regan, “Large, strongly-correlated systems simulated with linear-scaling DFT: recent developments and applications from oxides to biology”, Irish Atomistic Simulators Meeting, Queen’s University Belfast, May 2014. http://titus.phy.qub.ac.uk/IASM-2014/programme.php
D. D. O’Regan, “Modelling dynamically correlated materials in realistic nanostructures: DFT strategies, and linear-scaling approaches”, Invited Speaker, Collaborative Conference on Materials Research (CCMR) 2013, Jeju Island, South Korea, June 2013.
D. D. O’Regan and N. Marzari “A simplified approach for dynamical Hubbard corrections to DFT”, Focused Session: Frontiers of Electronic Structure Theory, DPG Spring Meeting, Regensburg, Germany, March 2013. contribution/2?lang=en
D. J. Cole, D. D. O’Regan, L. P. Lee, P. L. Chau, C.-K. Skylaris, M. C. Payne, “Biomolecular simulation with the linear-scaling DFT code ONETEP”, 11th International Biorelated Polymer Symposium / 243rd National Meeting of the American Chemical Society (ACS), ISSN: 0065-7727 (2012).
G. Teobaldi, D. D. O’Regan, N. D. M. Hine, and A. A. Mostofi, “Projector self-consistent constrained DFT”, CECAM localised orbital Workshop, Cambridge, July 2012. presentation_id=8856
D. D. O’Regan, N. D. M. Hine, M. C. Payne, and A. A. Mostofi, “Decorrelating user and theory in ab initio calculations on strongly correlated materials: Projector self-consistent DFT+U for large systems”, Invited Speaker, CECAM Workshop on Materials Informatics, Lausanne, Switzerland, May 2011.
A. A. Mostofi, D. D. O’Regan, N. D. M. Hine, and M. C. Payne, “Linear-scaling DFT+U applied to hole localization and Friedel oscillations in very dilute (Ga,Mn)As”, APS March Meeting, Boston, March 2012. http://meetings.aps.org /Meeting/MAR12/Session/T7.9
D. D. O’Regan, M. C. Payne, and A. A. Mostofi, “Linear-scaling and projector self-consistent DFT+U for electronic correlations in large systems”, APS March Meeting, Portland OR, U.S.A., March 2010. http://meetings.aps.org/Meeting /MAR10/Session/H28.5