Publications

Jingrui NIU, Ming Wang, Shengquan Xiang (2026). The periodic KdV with control on space-time measurable sets. J. Funct. Anal..

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Kévin Le Balc'h, Jingrui NIU, Chenmin Sun (2026). Geometric condition for the observability of electromagnetic Schrödinger operators on T^2. J. Lond. Math. Soc. (2).

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Jingrui NIU, Shengquan Xiang (2026). Stability of a Korteweg-de Vries equation close to critical lengths. Preprint.

Pierre Lissy, Jingrui NIU (2026). Controllability of a coupled wave system with a single control and different speeds. J. Math. Pures Appl. (9).

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Jingrui NIU, Ming Wang, Shengquan Xiang (2025). Symmetry for the wave equation on torus: sharp unique continuation and observability conditions for spacetime regions. Preprint.

Jingrui NIU, Ming Wang, Shengquan Xiang (2025). Sharp control cost for dispersive equations on the torus. Chinese Ann. Math. Ser. B, special issue by invitation to Jean-Michel Coron’s 70th birthday, 2026.

Jingrui NIU, Zehua Zhao (2025). Observability and controllability for Schrödinger equations in the semi-periodic setting. To appear in Indiana Univ. Math. J.

Jingrui NIU, Shengquan Xiang (2025). Small-time local controllability of a KdV system for all critical lengths. Preprint.

Felice Iandoli, Jingrui NIU (2023). Controllability of quasi-linear Hamiltonian Schrödinger equations on tori. J. Differential Equations.

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Jingrui NIU (2021). Simultaneous control of wave systems. SIAM J. Control Optim..

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Jingrui NIU (2021). The Controllability of the Coupled Wave Systems. Thesis.