Ma, Shiqi（马世琪）

Associate professor at
School of Mathematics
Jilin University
Changchun, China

Office: Math building 329

CV   ORCID   Google Schloar   Jilin U

Research Interests

• Inverse problems
• Partial differential equations
• Stochastic inverse problems
• Microlocal analysis

Prepints (full list of arXiv preprints)

1. Katya Krupchyk, Shiqi Ma, Suman Kumar Sahoo, Mikko Salo, Simon St-Amant
   Inverse problems for semilinear Schrödinger equations at large frequency via polynomial resolvent estimates on manifolds
   arXiv:2402.12903 (2024). @article{KMS2024, author={Krupchyk, Katya and Ma, Shiqi Sahoo, Suman Kumar and Salo, Mikko and St-Amant, Simon}, title={Inverse problems for semilinear Schr\"{o}dinger equations at large frequency via polynomial resolvent estimates on manifolds}, journal={arXiv:2402.12903}, year={2024}, }
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2. Shiqi Ma
   Lecture notes for pseudodifferential operators and microlocal analysis
   arXiv:2107.12839 (2021). @article{ma2021lec, author={Ma, Shiqi}, title={Lecture notes for pseudodifferential operators and microlocal analysis}, journal={arXiv:2107.12839}, year={2021}, }
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3. Shiqi Ma
   Regularity and energy of second order hyperbolic boundary value problems on non-timelike hypersurfaces
   arXiv:2107.09762 (2021). @article{ma2021non, author={Ma, Shiqi}, title={Regularity and energy of second order hyperbolic boundary value problems on non-timelike hypersurfaces}, journal={arXiv:2107.09762}, year={2021}, }
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4. Shiqi Ma
   Stationary phase lemmas for general functions
   arXiv:2010.13134 (2020). @article{mastat2020, author={Ma, Shiqi}, title={Stationary phase lemmas for general functions}, journal={arXiv:2010.13134}, year={2020}, }
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Accepted/In press/Published papers

1. Shiqi Ma, Suman Kumar Sahoo, Mikko Salo
   The anisotropic Calderón problem at large fixed frequency on manifolds with invertible ray transform
   J. London Math. Soc., 110 (2024), no. 4, e13006. @article{MSS2022anisotropic, author = {Ma, Shiqi and Sahoo, Suman Kumar and Salo, Mikko}, title = {The anisotropic Calderón problem at large fixed frequency on manifolds with invertible ray transform}, journal = {Journal of the London Mathematical Society}, volume = {110}, number = {4}, pages = {e13006}, year = {2024} }
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2. Pu-Zhao Kow, Shiqi Ma, Suman Kumar Sahoo
   An inverse problem for semilinear equations involving the fractional Laplacian
   Inverse Problems, 39 (2023), 095006. @article {KMS2022global, AUTHOR = {Kow, Pu-Zhao and Ma, Shiqi and Sahoo, Suman Kumar}, TITLE = {An inverse problem for semilinear equations involving the fractional {L}aplacian}, JOURNAL = {Inverse Problems}, FJOURNAL = {Inverse Problems. An International Journal on the Theory and Practice of Inverse Problems, Inverse Methods and Computerized Inversion of Data}, VOLUME = {39}, YEAR = {2023}, NUMBER = {9}, PAGES = {Paper No. 095006, 27}, ISSN = {0266-5611,1361-6420}, MRCLASS = {65M32 (35R11)}, MRNUMBER = {4629230}, }
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3. Hongyu Liu and Shiqi Ma
   Inverse problem for a random Schrödinger equation with unknown source and potential
   Math. Z., 304 (2023), no. 28, 1--31. @article {lm2020determining, AUTHOR = {Liu, Hongyu and Ma, Shiqi}, TITLE = {Inverse problem for a random Schr\"{o}dinger equation with unknown source and potential}, JOURNAL = {Math. Z.}, FJOURNAL = {Mathematische Zeitschrift}, VOLUME = {204}, YEAR = {2023}, NUMBER = {28}, PAGES = {1--31}, DOI = {10.1007/s00209-023-03289-4}, URL = {https://doi.org/10.1007/s00209-023-03289-4}, }
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4. Shiqi Ma, Leyter Potenciano-Machado, Mikko Salo
   Fixed angle inverse scattering for sound speeds close to constant
   SIAM J. Math. Anal., 55 (2023), 3420--3456. @article {MPS2021fixed, AUTHOR = {Ma, Shiqi and Potenciano-Machado, Leyter and Salo, Mikko}, TITLE = {Fixed {A}ngle {I}nverse {S}cattering for {S}ound {S}peeds {C}lose to {C}onstant}, JOURNAL = {SIAM J. Math. Anal.}, FJOURNAL = {SIAM Journal on Mathematical Analysis}, VOLUME = {55}, YEAR = {2023}, NUMBER = {4}, PAGES = {3420--3456}, ISSN = {0036-1410,1095-7154}, MRCLASS = {35R30 (31B10 35J05 35Q60 78A40)}, MRNUMBER = {4624351}, DOI = {10.1137/22M147640X}, URL = {https://doi.org/10.1137/22M147640X}, }
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5. Shiqi Ma, Mikko Salo
   Fixed angle inverse scattering in the presence of a Riemannian metric
   J. Inverse Ill-Posed Probl., 30 (2022), no. 4, 495--520. @article {ms2020fixed, AUTHOR = {Ma, Shiqi and Salo, Mikko}, TITLE = {Fixed angle inverse scattering in the presence of a {R}iemannian metric}, JOURNAL = {J. Inverse Ill-Posed Probl.}, FJOURNAL = {Journal of Inverse and Ill-Posed Problems}, VOLUME = {30}, YEAR = {2022}, NUMBER = {4}, PAGES = {495--520}, ISSN = {0928-0219}, MRCLASS = {35Q60 (31B10 35J05 35R30 78A40)}, MRNUMBER = {4460195}, DOI = {10.1515/jiip-2020-0119}, URL = {https://doi.org/10.1515/jiip-2020-0119}, }
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6. Shiqi Ma
   On recent progress of single-realization recoveries of random Schrödinger systems
   Electron. Res. Arch., 29 (2021), no. 3, 2391--2415. @article{ma2020on, author = {Ma, Shiqi}, title = {On recent progress of single-realization recoveries of random Schrödinger systems}, journal = {Electron. Res. Arch.}, fjournal = {Electronic Research Archive}, volume = {29}, number = {3}, pages = {2391--2415}, year = {2021}, doi = {10.3934/era.2020121}, }
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7. Jingzhi Li, Hongyu Liu and Shiqi Ma
   Determining a random Schrödinger operator: both potential and source are random
   Comm. Math. Phys., 381 (2021), no. 2, 527--556. @article {llm2019bothrandom, AUTHOR = {Li, Jingzhi and Liu, Hongyu and Ma, Shiqi}, TITLE = {Determining a random {S}chr\"{o}dinger operator: both potential and source are random}, JOURNAL = {Comm. Math. Phys.}, FJOURNAL = {Communications in Mathematical Physics}, VOLUME = {381}, YEAR = {2021}, NUMBER = {2}, PAGES = {527--556}, ISSN = {0010-3616}, MRCLASS = {35J10 (60 81U40)}, MRNUMBER = {4207450}, DOI = {10.1007/s00220-020-03889-9}, URL = {https://doi.org/10.1007/s00220-020-03889-9}, }
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8. Jingzhi Li, Hongyu Liu and Shiqi Ma
   Determining a random Schrödinger equation with unknown source and potential
   SIAM J. Math. Anal., 51 (2019), no. 4, 3465--3491. @article {llm2018random, AUTHOR = {Li, Jingzhi and Liu, Hongyu and Ma, Shiqi}, TITLE = {Determining a random {S}chr\"{o}dinger equation with unknown source and potential}, JOURNAL = {SIAM J. Math. Anal.}, FJOURNAL = {SIAM Journal on Mathematical Analysis}, VOLUME = {51}, YEAR = {2019}, NUMBER = {4}, PAGES = {3465--3491}, ISSN = {0036-1410}, MRCLASS = {35R60 (31B10 35C20 35J10 35P25 35Q60 35R30 78A40)}, MRNUMBER = {3995040}, MRREVIEWER = {Sergey V. Lototsky}, DOI = {10.1137/18M1225276}, URL = {https://doi.org/10.1137/18M1225276}, }
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