Gary Choi


Room 2-177
Department of Mathematics
Massachusetts Institute of Technology
77 Massachusetts Avenue, Cambridge, MA 02139, USA

Email: ptchoi_AT_mit_DOT_edu

Gary Choi is an NSF Postdoctoral Fellow and Instructor in Applied Mathematics in the Department of Mathematics at Massachusetts Institute of Technology. He completed his Ph.D. in Applied Mathematics in the John A. Paulson School of Engineering and Applied Sciences at Harvard University in 2020 under the direction of L. Mahadevan and Chris Rycroft.

His research interests include applied and computational geometry, interdisciplinary mathematical modeling, metamaterial design, quantitative biology, medical imaging, geometry processing, and scientific computing.

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Nov 2022 My research mentees Hiu-Long Chan and Bok-Man Cheung have received the Gold Award in Mathematics in the S.T. Yau High School Science Award (Asia) for their work on the divergence and bounds of a class of series involving coprime numbers. Congratulations, Hiu-Long and Bok-Man!

Oct 2022 Our work on Parallelizable global quasi-conformal parameterization of multiply connected surfaces via partial welding (with Z. Zhu and L. M. Lui) has been published in SIAM Journal on Imaging Sciences.

Oct 2022 The code of our works on Inverse Kirigami Design, Additive Kirigami and Kirigami Deployment Simulator can now be found on GitHub.

Aug 2022 Our work on Quasicrystal kirigami (with L. Liu and L. Mahadevan) has been published in Physical Review Research and selected as Editors' Suggestion.

Aug 2022 Our work on Modular representation and control of floppy networks (with S. Chen, F. Giardina and L. Mahadevan) has been published in Proceedings of the Royal Society A.

Jun 2022 Our work on A unifying framework for n-dimensional quasi-conformal mappings (with D. Zhang, J. Zhang and L. M. Lui) has been published in SIAM Journal on Imaging Sciences.

Jun 2022 Our work on Adaptive area-preserving parameterization of open and closed anatomical surfaces (with A. Giri and L. Kumar) has been published in Computers in Biology and Medicine.

Apr 2022 Our work on Recent developments of surface parameterization methods using quasi-conformal geometry (with L. M. Lui) has been accepted by Handbook of Mathematical Models and Algorithms in Computer Vision and Imaging.

Mar 2022 I gave a talk on Geometric design of kirigami metamaterials at the SIAM Conference on Imaging Science (SIAM-IS22).

Mar 2022 Ronald Lui and I co-organized a minisymposium on Geometry, Computing and Learning for Science and Engineering at the SIAM Conference on Imaging Science (SIAM-IS22).

Mar 2022 I gave a talk on Additive design of origami and kirigami at the APS March Meeting in Chicago.

Mar 2022 Our work on Quasiconformal model with CNN features for large deformation image registration (with H. Law, K. C. Lam and L. M. Lui) has been published in Inverse Problems and Imaging.

Nov 2021 Our work on Free-boundary conformal parameterization of point clouds (with Y. Liu and L. M. Lui) has been published in Journal of Scientific Computing.

Nov 2021 Our work on Geometry and dynamics link form, function and evolution of finch beaks (with S. Al-Mosleh, A. Abzhanov and L. Mahadevan) has been published in Proceedings of the National Academy of Sciences.

Oct 2021 Our work on Compact reconfigurable kirigami (with L. H. Dudte and L. Mahadevan) has been published in Physical Review Research.

Aug 2021 Our work on Spherical cap harmonic analysis (SCHA) for characterising the morphology of rough surface patches (with M. Shaqfa and K. Beyer) has been published in Powder Technology.

Aug 2021 Our work on Wallpaper group kirigami (with L. Liu and L. Mahadevan) has been published in Proceedings of the Royal Society A.

Jul 2021 Our work on 3D shape reconstruction of small bodies from sparse features (with B. Jarvis, B. Hockman, B. Morrell, S. Bandopadhyay, D. Lubey, J. Villa, S. Bhaskaran, D. Bayard, and I. A. Nesnas) has been published in IEEE Robotics and Automation Letters.

Jul 2021 Our work on Genetic architecture of floral traits in bee- and hummingbird-pollinated sister species of Aquilegia (columbine) (with M. B. Edwards, N. Derieg, Y. Min, A. C. Diana, S. A. Hodges, L. Mahadevan, E. M. Kramer, and E. S. Ballerini) has been published in Evolution.

May 2021 Our work on An additive algorithm for origami design (with L. H. Dudte and L. Mahadevan) has been published in Proceedings of the National Academy of Sciences.

Apr 2021 Our work on Efficient conformal parameterization of multiply-connected surfaces using quasi-conformal theory has been published in Journal of Scientific Computing.

Feb 2021 Our work on Volumetric density-equalizing reference map with applications (with C. H. Rycroft) has been published in Journal of Scientific Computing.

Dec 2020 Our work on Control of connectivity and rigidity in prismatic assemblies (with S. Chen and L. Mahadevan) has been published in Proceedings of the Royal Society A.

Nov 2020 Our work on Open and closed anatomical surface description via hemispherical area-preserving map (with A. Giri and L. Kumar) has been published in Signal Processing.

Oct 2020 Our work on Shape analysis via inconsistent surface registration (with D. Qiu and L. M. Lui) has been published in Proceedings of the Royal Society A.

Jul 2020 Our work on Parallelizable global conformal parameterization of simply-connected surfaces via partial welding (with Y. Leung-Liu, X. Gu, and L. M. Lui) has been published in SIAM Journal on Imaging Sciences.

Jun 2020 Our work on Self-excited motions of volatile drops on swellable sheets (with A. Chakrabarti and L. Mahadevan) has been published in Physical Review Letters.

Apr 2020 I have successfully defended my thesis Metamaterials, Morphometrics, Morphogenesis, and Mappings.

Feb 2020 Our work on Deterministic and stochastic control of kirigami topology (with S. Chen, L. Mahadevan) has been published in Proceedings of the National Academy of Sciences.

Jan 2020 Our work on Area-preserving mapping of 3D carotid ultrasound images using density-equalizing reference map (with B. Chiu, C . H. Rycroft) has been published in IEEE Transactions on Biomedical Engineering.

Sep 2019 Our work on Tooth morphometry using quasi-conformal theory (with H. L. Chan, R. Yong, S. Ranjitkar, A. Brook, G. Townsend, K. Chen, L. M. Lui) has been published in Pattern Recognition.

Aug 2019 Our kirigami work has been featured on the cover of Nature Materials.

Aug 2019 Our kirigami work has been featured on the Harvard SEAS News.

Aug 2019 Our work on Programming shape using kirigami tessellations (with L. H. Dudte, L. Mahadevan) has been published in Nature Materials.

Jul 2019 Our work on 3DPeople: Modeling the geometry of dressed humans (with A. Pumarola, J. Sanchez-Riera, A. Sanfeliu, F. Moreno-Noguer) is accepted to the International Conference on Computer Vision (ICCV).

Apr 2019 I am deeply honored to receive the QuantBio Student Fellowship for financial support for the academic year 2019-2020.

Sep 2018 Our work on Planar morphometrics using Teichm├╝ller maps (with L. Mahadevan) has been published in Proceedings of the Royal Society A.

Aug 2018 The code of our TRIM algorithm for generating triangulated images is now available on MATLAB Central.

Jul 2018 Our work on Efficient feature-based image registration by mapping sparsified surfaces (with C. P. Yung, K. Chen, L. M. Lui) has been published in Journal of Visual Communication and Image Representation.

May 2018 Our work on Density-Equalizing Maps for Simply Connected Open Surfaces (with C. H. Rycroft) has been published in SIAM Journal on Imaging Sciences.

Apr 2018 The code of our fast rectangular conformal parameterization method is now available on MATLAB Central.

Apr 2018 I am deeply honored to receive the Certificate of Distinction in Teaching for Fall 2017.

Jan 2018 I am deeply honored to receive the 2017 New World Mathematics Award (Silver Medal for Master Thesis).