Anil N. Hirani :
Publications and Preprints
2008
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A. N. Hirani, K. B. Nakshatrala, J. H. Chaudhry.
Numerical method for Darcy flow derived using Discrete
Exterior Calculus.
Technical Report Number UIUCDCS-R-2008-2937,
Department of Computer Science,
University of Illinois at Urbana-Champaign.
Also available as preprint arXiv:0810.3434v1 [math.NA]
on arXiv.org, 2008.
(PDF,
Abstract,
BibTeX)
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E. VanderZee, A. N. Hirani, D. Guoy.
Triangulation of Simple 3D Shapes with Well-Centered
Tetrahedra.
Proceedings of the 17th International Meshing Roundtable,
Pittsburgh, Pennsylvania, October 12-15, 2008
Also available as preprint arXiv:0806.2332v2 [cs.CG]
on arXiv.org, 2008.
(PDF,
Abstract,
BibTeX)
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A. Colombi, A. N. Hirani, B. F. Villac.
Structure preserving approximations of conservative forces for
application to small body dynamics.
Proceedings of AAS/AIAA Astrodynamics Specialist Conference,
Paper AIAA 2008-7205,
American Astronautical Society and American Institute of Aeronautics and
Astronautics (AAS/AIAA),
Honolulu, Hawaii, Aug. 18-21, 2008.
(PDF,
BibTeX)
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E. VanderZee, A. N. Hirani, D. Guoy, E. Ramos.
Well-Centered Triangulation.
Technical Report Number UIUCDCS-R-2008-2936, Department of
Computer Science,
University of Illinois at Urbana-Champaign.
Also available as preprint arXiv:0802.2108v1 [cs.CG]
on arXiv.org, 2008.
(PDF,
Abstract,
BibTeX)
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A. Colombi, A. N. Hirani, B. F. Villac.
Adaptive Gravitational Force Representation for Fast Trajectory
Propagation Near Small Bodies.
Journal of Guidance, Control, and Dynamics,
A publication of the American Institute of Aeronautics and
Astronautics (AIAA),
Vol. 31, No. 4, July-August 2008, pp. 1041--1051.
(PDF,
DOI:10.2514/1.32559,
BibTeX)
2007
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J. Warren, S. Schaefer, A. N. Hirani, M. Desbrun.
Barycentric Coordinates for Convex Sets.
Advances in Computational Mathematics,
A Springer journal,
Vol. 27, No. 3, October 2007, pp. 319--338.
(PDF,
DOI:10.1007/s10444-005-9008-6,
BibTeX)
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E. VanderZee, A. N. Hirani, D. Guoy, E. Ramos.
Well-Centered Planar Triangulation -- an Iterative Approach.
Proceedings of the 16th International Meshing Roundtable,
Seattle, Washington, October 14 -- 17, 2007, pp. 121--138.
(PDF,
DOI:10.1007/978-3-540-75103-8_7,
BibTeX)
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J. Jossey, A. N. Hirani.
Equivalence Theorems in Numerical Analysis :
Integration, Differentiation and Interpolation.
Technical Report Number UIUCDCS-R-2007-2938, Department of
Computer Science,
University of Illinois at Urbana-Champaign.
Also available as preprint arXiv:0709.4046v1
[math.NA],2007, on arXiv.org.
(PDF,
Abstract,
BibTeX)
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A. Colombi, A. N. Hirani, B. F. Villac.
Efficient Gravity Field Computation for Trajectory Propagation
Near Small Bodies.
Proceedings of 17th AAS/AIAA Space Flight Mechanics Meeting,
Paper AAS 07-223,
American Astronautical Society and American Institute of Aeronautics and
Astronautics (AAS/AIAA),
Sedona, Arizona, Jan. 28 -- Feb. 1, 2007.
(PDF,
BibTeX)
2006
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A. N. Hirani, R. P. Russell.
Approximations of Distant Retrograde Orbits for Mission
Design.
Proceedings of 16th AAS/AIAA Space Flight Mechanics Meeting,
Paper AAS 06-116,
American Astronautical Society and American Institute of Aeronautics and
Astronautics (AAS/AIAA),
Tampa, Florida, Jan. 22--26, 2006.
(PDF)
- T. Lam, A. N. Hirani, J. A. Kangas.
Characteristics of Transfers to and Captures at Europa.
Proceedings of 16th AAS/AIAA Space Flight Mechanics Meeting,
Paper AAS 06-188,
American Astronautical Society and American Institute of Aeronautics and
Astronautics (AAS/AIAA),
Tampa, Florida, Jan. 22--26, 2006.
(PDF)
2005
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A. N. Hirani, M. W. Lo.
Surface Structure of an Invariant Manifold of a Halo Orbit.
Proceedings of 2005 AAS/AIAA Astrodynamics Specialists Conference,
Paper AAS 05-379,
American Astronautical Society and American Institute of Aeronautics and
Astronautics (AAS/AIAA),
Lake Tahoe, August 7--11, 2005.
(PDF)
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M. Desbrun, A. N. Hirani, M. Leok, J. E. Marsden.
Discrete Exterior Calculus.
Available as preprint arXiv:math/0508341v2 [math.DG], 2005
on arXiv.org.
(PDF,
Abstract)
2004 and earlier
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M. Desbrun, A. N. Hirani, J. E. Marsden.
Discrete Exterior Calculus for Variational Problems in Computer
Graphics and Vision.
Proceedings of the 42nd IEEE Conference on Decision and Control,
Honolulu, December 9--12, Vol. 5, 2003, pp. 4902--4907.
(This is an invited paper, gathering different pieces of work already
published)
(PDF)
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E. Grinspun, A. N. Hirani, M. Desbrun, P. Schröder.
Discrete Shells.
SCA '03: Proceedings of the 2003 ACM SIGGRAPH / Eurographics
Symposium on Computer Animation,
July 26--27, 2003, pp. 62--67.
(PDF)
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Y. Tong, S. Lombeyda, A. N. Hirani, M. Desbrun.
Discrete Multiscale Vector Field Decomposition.
ACM Transactions on Graphics, Vol. 22, No. 3,
July 2003, pp. 445--452.
(Proceedings of ACM SIGGRAPH 2003)
(PDF)
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A. N. Hirani, J. E. Marsden, J. Arvo.
Averaged Template Matching Equations.
Proceedings of Energy Minimization Methods in Computer
Vision and Pattern Recognition (EMMCVPR 2001),
Springer Verlag Lecture Notes in Computer Science LNCS 2134, 2001,
pp. 528--543.
(PDF)
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A. N. Hirani, T. Totsuka.
Combining Frequency and Spatial Domain Information for Fast
Interactive Image Noise Removal.
Proceedings of ACM SIGGRAPH 1996, 1996, pp. 269--276.
(PDF)
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A. N. Hirani, T. Totsuka,
Dual Domain Interactive Image Restoration: Basic Algorithm,
Proceedings of the IEEE International Conference on Image
Processing,
Vol. 1, 1996, pp. 797--800.
(PDF)
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