@article{BlHuLeSa2009, Author = {{A. M.} Bloch and {I. I.} Hussein and M. Leok and {A. K.} Sanyal}, Journal = {Journal of Dynamical and Control Systems}, Number = {3}, Pages = {307--330}, Title = {Geometric Structure-Preserving Optimal Control of the Rigid Body}, Volume = {15}, Year = {2009}, doi={10.1007/s10883-009-9071-2}, } @article{BlLeMaZe2005, Author = {{A. M.} Bloch and M. Leok and {J. E.} Marsden and {D.V.} Zenkov}, Journal = {Proc. IEEE Conf. on Decision and Control}, Pages = {6579--6584}, Title = {Controlled {L}agrangians and Stabilization of the Discrete Cart-Pendulum System}, Year = {2005}, doi = {10.1109/CDC.2005.1583218}, } @article{BlLeMaZe2006, Author = {{A. M.} Bloch and M. Leok and {J. E.} Marsden and {D.V.} Zenkov}, Journal = {Proc. IEEE Conf. on Decision and Control}, pages = {3333-3338}, Note = {(invited paper)}, Title = {Controlled {L}agrangians and Potential Shaping for Stabilization of Discrete Mechanical Systems}, Year = {2006}, doi = {10.1109/CDC.2006.376695}, } @article{BlLeMaZe2007, Author = {{A. M.} Bloch and M. Leok and {J. E.} Marsden and {D.V.} Zenkov}, Title = {Matching and stabilization of discrete mechanical systems}, Journal = {Proc. Appl. Math. Mech.}, Volume = {7}, Pages = {1030603-1030604}, Year = {2007}, doi = {10.1002/pamm.200700390}, } @article{BlLeMaZe2010, Author = {{A. M.} Bloch and M. Leok and {J. E.} Marsden and {D. V.} Zenkov}, Date-Modified = {2009-09-17 10:22:59 -0700}, Journal = {Discrete and Continuous Dynamical Systems - Series S}, Title = {Controlled {L}agrangians and Stabilization of Discrete Mechanical Systems}, volume={3}, number={1}, pages={19--36}, Year = {2010}, doi={10.3934/dcdss.2010.3.19}, } @article{ChLeLeMc2011, Author = {{N. A.} Chaturvedi and T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Journal of Nonlinear Science}, volume={21}, number={1}, pages={3--32}, Title = {Nonlinear Dynamics of the {3D} Pendulum}, Year = {2011}, doi={10.1007/s00332-010-9078-6}, } @unpublished{DeHiLeMa2003, Author = {M. Desbrun and {A. N.} Hirani and M. Leok and {J. E.} Marsden}, Title = {Discrete Exterior Calculus}, Note = {(preprint, \href{http://arXiv.org/math.DG/0508341}{\tt arXiv:math.DG/0508341})}, Year = {2003}, } @article{DeLeMa2005, Author = {M. Desbrun and M. Leok and {J. E.} Marsden}, Fjournal = {Applied Numerical Mathematics}, Journal = {Appl. Numer. Math.}, Number = {2--4}, Pages = {231-248}, Title = {Discrete {P}oincar\'e Lemma}, Volume = {53}, Year = {2005}, doi = {10.1016/j.apnum.2004.09.035}, } @article{FaLeLeMcSc2006, Author = {{E. G.} Fahnestock and T. Lee and M. Leok and {N. H.} McClamroch and {D. J.} Scheeres}, Journal = {Proc. AIAA/AAS Astrodynamics Specialist Conf.}, Title = {Polyhedral Potential and Variational Integrator Computation of the Full Two Body Problem}, Volume = {AIAA-2006-6289}, Year = {2006}, url = {http://www.aiaa.org/agenda.cfm?lumeetingid=1305&formatview=1&dateget=22-Aug-06}, } @article{HuLeSaBl2006, Author = {{I. I.} Hussein and M. Leok and {A. K.} Sanyal and {A. M.} Bloch}, Journal = {Proc. IEEE Conf. on Design and Control}, Pages = {6636--6641}, Title = {A Discrete Variational Integrator for Optimal Control Problems in {$SO(3)$}}, Year = {2006}, doi = {10.1109/CDC.2006.377818}, } @article{JaLeMaWe2006, Author = {{S. M.} Jalnapurkar and M. Leok and {J. E.} Marsden and M. West}, Fjournal = {Journal of Physics A}, Journal = {J. Phys. A: Math. Gen.}, Pages = {5521--5544}, Title = {Discrete {R}outh Reduction}, Volume = {39}, Year = {2006}, doi = {10.1088/0305-4470/39/19/S12}, } @article{Le1994, Author = {M. Leok}, Title = {Estimating the Attractor Dimension of the Equatorial Weather System}, Journal = {Acta Phys. Pol. A}, Volume = {85}, Pages = {S27--S35}, Year = {1994}, } @unpublished{Le2004, Author = {M. Leok}, Eprint = {\texttt{arXiv:math.NA/0508360}}, Note = {(preprint, \href{http://arxiv.org/math.NA/0508360}{\tt arXiv:math.NA/0508360})}, Title = {Generalized {G}alerkin Variational Integrators: {L}ie group, multiscale, and pseudospectral methods}, Year = {2004}, } @article{Le2011, author={M. Leok}, title={Variational Integrators}, note={(submitted, invited article)}, journal={Springer Encyclopedia of Applied and Computational Mathematics}, year={2011}, } @article{LeChSaLeMc2007, Author = {T. Lee and {N. A.} Chaturvedi and {A. K.} Sanyal and M. Leok and {N. H.} McClamroch}, Journal = {Proc. IEEE Conf. on Decision and Control}, Title = {Propagation of Uncertainty Sets for Rigid Body Attitude Flows}, Pages = {2689--2694}, Year = {2007}, doi = {10.1109/CDC.2007.4434145}, } @article{LeLeMc2007a, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Comput. Methods Appl. Mech. Engrg.}, Volume = {196}, Number = {29-30}, Pages = {2907--2924}, Title = {{L}ie Group Variational Integrators for the Full Body Problem}, Year = {2007}, doi = {10.1016/j.cma.2007.01.017}, } @article{LeLeMc2007b, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Celestial Mechanics and Dynamical Astronomy}, Title = {{L}ie Group Variational Integrators for the Full Body Problem in Orbital Mechanics}, Year = {2007}, Volume = {98}, Number = {2}, Pages = {121--144}, doi = {10.1007/s10569-007-9073-x}, } @article{LeLeMc2007c, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Proc. IEEE Conf. on Decision and Control}, Title = {A Combinatorial Optimization Problem for Spacecraft Formation Reconfiguration}, Pages = {5370--5375}, Year = {2007}, doi = {10.1109/CDC.2007.4434143}, } @article{LeLeMc2008a, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Journal of Dynamical and Control Systems}, Title = {Optimal Attitude Control of a Rigid Body using Geometrically Exact Computations on {$SO(3)$}}, Year = {2008}, Volume = {14}, Pages = {465--487}, Number = {4}, doi = {10.1007/s10883-008-9047-7}, } @article{LeLeMc2008b, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Title = {Time Optimal Attitude Control for a Rigid Body}, Journal = {Proc. American Control Conf.}, Pages = {5210--5215}, Year = {2008}, doi = {10.1109/ACC.2008.4587322}, } @article{LeLeMc2008c, Author= {T. Lee and M. Leok and {N. H.} McClamroch}, Title={Global Symplectic Uncertainty Propagation on {$SO(3)$}}, Journal={Proc. IEEE Conf. on Decision and Control}, Pages={61-66}, Year={2008}, doi={10.1109/CDC.2008.4739058}, } @article{LeLeMc2008d, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Communications in Information and Systems}, Number = {4}, Pages = {445--472}, Title = {Computational Geometric Optimal Control of Rigid Bodies}, Volume = {8}, Year = {2008}, } @article{LeLeMc2009a, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Proc. American Control Conf.}, Pages = {408--413}, Title = {Dynamics of Connected Rigid Bodies in a Perfect Fluid}, Year = {2009}, doi={10.1109/ACC.2009.5159850}, } @article{LeLeMc2009b, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {International Journal for Numerical Methods in Engineering}, Number = {9}, Pages = {1147--1174}, Title = {Lagrangian Mechanics and Variational Integrators on Two-Spheres}, Volume = {79}, Year = {2009}, doi={10.1002/nme.2603} } @article{LeLeMc2009c, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Proc. IEEE Conf. on Decision and Control}, Title = {Dynamics of a {3D} Elastic String Pendulum}, pages={3347--3352}, Year = {2009}, doi={10.1109/CDC.2009.5399611}, } @article{LeLeMc2009d, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Journal = {Springer Encyclopedia of Complexity and Systems Science}, Note = {(invited article)}, Title = {Discrete Control Systems}, pages={2002--2019}, Year = {2009}, doi={10.1007/978-0-387-30440-3_126} } @article{LeLeMc2010a, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Title = {Computational Geometric Optimal Control of Connected Rigid Bodies in a Perfect Fluid}, Journal = {Proc. American Control Conf.}, pages={5985--5990}, Year = {2010}, } @article{LeLeMc2010b, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Title = {Geometric Tracking Control of a Quadrotor {UAV} on {$SE(3)$}}, Journal = {Proc. IEEE Conf. on Decision and Control}, pages={5420--5425}, Year = {2010}, doi={10.1109/CDC.2010.5717652}, } @article{LeLeMc2011a, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Title = {Computational Dynamics of a {3D} Elastic String Pendulum Attached to a Rigid Body and an Inertially Fixed Reel Mechanism}, Journal = {Nonlinear Dynamics}, volume={64}, number={1-2}, pages={97--115}, Year = {2011}, doi={10.1007/s11071-010-9849-5}, } @article{LeLeMc2011b, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Title={Geometric Numerical Integration of Complex Dynamics of Tethered Spacecraft}, Journal = {Proc. American Control Conf.}, pages={1885--1891}, year={2011}, } @article{LeLeMc2011c, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, Title = {Stable Manifolds of Saddle Points for Pendulum Dynamics on {$S^2$} and {$SO(3)$}}, Journal = {Proc. IEEE Conf. on Decision and Control}, note={(accepted, \href{http://arxiv.org/abs/1103.2822}{\tt arXiv:1103.2822 [math.DS]})}, Year = {2011}, } @article{LeLeMc2011d, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, title={Control of Complex Maneuvers for a Quadrotor {UAV} using Geometric Methods on {$SE(3)$}}, journal={Asian Journal of Control}, note={(submitted)}, year={2011}, } @article{LeLeMc2011e, Author = {T. Lee and M. Leok and {N. H.} McClamroch}, title={Nonlinear Robust Tracking Control of a Quadrotor {UAV} on {$SE(3)$}}, journal={Proc. American Control Conf.}, note={(submitted)}, year={2011}, } @article{LeLeMcSa2007, Author = {T. Lee and M. Leok and {N. H.} McClamroch and {A. K.} Sanyal}, Journal = {Proc. American Control Conf.}, Title = {Global Attitude Estimation using Single Direction Measurements}, Year = {2007}, Pages = {3659--3664}, doi = {10.1109/ACC.2007.4282363}, } @unpublished{LeMaWe2004, Author = {M. Leok and {J. E.} Marsden and A. Weinstein}, Title = {A Discrete Theory of Connections on Principal Bundles}, Eprint = {\texttt{arXiv:math.DG/0508338}}, Note = {(preprint, \href{http://arxiv.org/math.DG/0508338}{\tt arXiv:math.DG/0508338})}, Year = {2004}, } @article{LeMcLe2005, Author = {T. Lee and {N. H.} McClamroch and M. Leok}, Journal = {Proc. IEEE Conf. on Control Applications}, Pages = {962--967}, Title = {A {L}ie Group Variational Integrator for the Attitude Dynamics of a Rigid Body with Applications to the {3D} Pendulum}, Year = {2005}, doi = {10.1109/CCA.2005.1507254}, } @article{LeMcLe2006a, Author = {T. Lee and {N. H.} McClamroch and M. Leok}, Journal = {Proc. American Control Conf.}, Pages = {1742--1747}, Title = {Attitude Maneuvers of a Rigid Spacecraft in a Circular Orbit}, Year = {2006}, doi = {10.1109/ACC.2006.1656471}, } @article{LeMcLe2006b, Author = {T. Lee and {N. H.} McClamroch and M. Leok}, Journal = {Proc. IEEE Conf. on Decision and Control}, pages = {2710--2715}, Title = {Optimal Control of a Rigid Body using Geometrically Exact Computations on {$SE(3)$}}, Year = {2006}, doi = {10.1109/CDC.2006.376687}, } @article{LeMcLe2007, Author = {T. Lee and {N. H.} McClamroch and M. Leok}, Journal = {Proc. American Control Conf.}, Title = {Optimal Attitude Control for a Rigid Body with Symmetry}, Year = {2007}, Pages = {1073--1078}, doi = {10.1109/ACC.2007.4282362}, } @article{LeOh2010, author = {M. Leok and T. Ohsawa}, title = {Discrete {D}irac Structures and Implicit Discrete {L}agrangian and {H}amiltonian Systems}, publisher = {AIP}, year = {2010}, journal = {AIP Conference Proceedings}, volume = {1260}, number = {1}, pages = {91-102}, doi={10.1063/1.3479325}, } @article{LeOh2011, author={M. Leok and T. Ohsawa}, journal={Foundations of Computational Mathematics}, title={Variational and Geometric Structures of Discrete {D}irac Mechanics}, year={2011}, volume={11}, number={5}, pages={529--562}, doi={10.1007/s10208-011-9096-2}, } @article{LeOhSo2011, author={M. Leok and T. Ohsawa and D. Sosa}, title={Hamilton--{J}acobi Theory for Degenerate {L}agrangian Systems with Holonomic and Nonholonomic Constraints}, journal={Journal of Mathematical Physics}, note={(submitted, \href{http://arxiv.org/abs/1109.6056}{\tt arXiv:1109.6056 [math-ph]})}, year={2011}, } @article{LeSaMcLe2006, Author = {T. Lee and {A. K.} Sanyal and M. Leok and {N. H.} McClamroch}, Journal = {Proc. IEEE Conf. on Decision and Control}, pages = {3174--3179}, Title = {Deterministic Global Attitude Estimation}, Year = {2006}, doi = {10.1109/CDC.2006.376688}, } @article{LeSaLeMc2008, Author = {T. Lee and {A. K.} Sanyal and M. Leok and {N. H.} McClamroch}, Journal = {Systems and Control Letters}, volume = {57}, Number = {3}, Pages = {236--245}, Title = {Global Optimal Attitude Estimation using Uncertainty Ellipsoids}, Year = {2008}, doi = {10.1016/j.sysconle.2007.08.014}, } @article{LeSh2011a, author={M. Leok and T. Shingel}, journal={IMA Journal of Numerical Analysis}, title={Prolongation--Collocation Variational Integrators}, note={(accepted, \href{http://arxiv.org/abs/1101.1995}{\tt arXiv:1101.1995 [math.NA]})}, year={2011}, } @article{LeSh2011b, author={M. Leok and T. Shingel}, journal={Frontiers of Mathematics in China}, title={General Techniques for Constructing Variational Integrators}, note={(submitted, Special issue on computational mathematics, invited paper, \href{http://arxiv.org/abs/1102.2685}{\tt arXiv:102.2685 [math.NA]})}, year={2011}, } @article{LeZh2011, Author={M. Leok and J. Zhang}, Title={Discrete {H}amiltonian Variational Integrators}, Journal={IMA Journal of Numerical Analysis}, volume={31}, number={4}, pages={1497--1532}, Year={2011}, doi={10.1093/imanum/drq027}, } @article{OhBlLe2010, Author = {T. Ohsawa and {A. M.} Bloch and M. Leok}, Title = {Discrete {H}amilton--{J}acobi Theory and Discrete Optimal Control}, Journal = {Proc. IEEE Conf. on Decision and Control}, pages={5438--5443}, Year = {2010}, doi={10.1109/CDC.2010.5717665}, } @article{OhBlLe2011, Author={T. Ohsawa and {A.M.} Bloch and M. Leok}, Title={Discrete {H}amilton--{J}acobi Theory}, Journal={SIAM Journal on Control and Optimization}, volume={49}, number={4}, pages={1829--1856}, Year={2011}, doi={10.1137/090776822}, } @article{VaLiLe2011, author={J. Vankerschaver and C. Liao and M. Leok}, journal={Journal of Nonlinear Science}, title={Generating Functionals and {L}agrangian {PDE}s}, note={(submitted, Marsden memorial issue, invited paper, \href{http://arxiv.org/abs/1111.0280}{\tt arXiv:1111.0280})}, year={2011}, } @article{VaYoLe2010, author={J. Vankerschaver and H. Yoshimura and M. Leok}, Journal = {Proc. IEEE Conf. on Decision and Control}, title={Stokes-{D}irac Structures through Reduction of Infinite-Dimensional {D}irac Structures}, pages={6265--6270}, year={2010}, doi={10.1109/CDC.2010.5717698}, } @article{VaYoLe2011, author={J. Vankerschaver and H. Yoshimura and M. Leok}, journal={Journal of Geometry and Physics}, title={On the Geometry of Multi-{D}irac Structures and {G}erstenhaber Algebras}, volume={61}, number={8}, pages={1415--1425}, year={2011}, doi={10.1016/j.geomphys.2011.03.005}, } @article{VaYoLeMa2011, author={J. Vankerschaver and H. Yoshimura and M. Leok and {J. E.} Marsden}, title={The {H}amilton--{P}ontryagin Principle and Multi-{D}irac Structures for Classical Field Theories}, journal={Journal of Mathematical Physics}, note={(submitted)}, year={2011}, }