Prof. Der-Chen Chang

Department of Mathematics & Statistics

Georgetown University, Washington DC, USA

Professor & Director

Email: [email protected]

Qualifications

1983–1987 Ph.D., Department of Mathematics, Princeton University, USA

1983–1984 M.A., Department of Mathematics, Princeton University, USA

1979-1981 M.S., Department of Mathematics, National Tsing Hua University, Taiwan(China)

1975-1979 B.S., Department of Mathematics, National Tsing Hua University, Taiwan(China)

Publications (selected)

1. Ghosh, D., Chang, D. C., Yao, J. C., et al. (2026). Existence and uniqueness of solution for coagulation and collisional breakage equation in a new singular space. Advances in Applied Mathematics, 180, 103132.
2. Feng, S. Y., & Chang, D. C. (2026). Fredholm theorems for integral equations in spaces. Annals of Functional Analysis, 17(4), 55.
3. Chang, D. C., Chang, S. C., Lin, C., et al. (2026). Analytic foliation divisorial contraction on Sasakian manifolds of dimension five. Journal of Geometric Analysis, 36(7), 240.
4. Chang, D. C., Li, J., Ottazzi, A., et al. (2026). Optimal lifting of Levi-degenerate hypersurfaces and applications to the Cauchy-Szegö projection. Advances in Mathematics, 496, 111000.
5. Kang, Q. Q., Chang, D. C., & Wang, W. (2026). The Szegö kernel for k-CF functions on nondegenerate quadratic rigid hypersurfaces in the quaternionic space. Complex Analysis and Operator Theory, 20(3), 67.
6. Basak, R., Chang, D. C., Riess, J., et al. (2026). Beta function formalism for Grushin operators (2). Journal of Nonlinear and Variational Analysis, 10(4), 703-733.
7. Cubiotti, P., Chang, D. C., & Yao, J. C. (2026). An implicit elliptic boundary value problem with highly discontinuous right-hand side. Journal of Nonlinear and Convex Analysis, 27(1), 83-98.
8. Feng, S. Y., & Chang, D. C. (2025). Degenerate kernel approximation and error estimation for integral equations in Lp spaces. Analysis and Mathematical Physics, 15(6), 139.
9. Chang, D. C., Sawano, Y., Yang, D. C., et al. (2025). Weighted local Hardy spaces associated to elliptic operators with coefficients having minimal smoothness. Journal of Differential Equations, 448, 113673.
10. Kang, Q. Q., Chang, D. C., & Wang, W. (2025). Spectral projection operators of the sub-Laplacian and Laguerre calculus on non-degenerate nilpotent Lie groups of step two. Banach Journal of Mathematical Analysis, 19(3), 46.
11. Chang, D. C., Li, E. H., & Wu, X. F. (2025). Singular integrals with non-standard kernels on Triebel-Lizorkin spaces. Journal of Nonlinear and Variational Analysis, 9(2), 229-246.
12. Chang, D. C., Han, Y. S., & Wu, X. F. (2025). Hardy spaces associated with two-flag kernels. Mathematical Research Letters, 32(1), 81-134.
13. Ghosh, D., Chadli, O., & Chang, D. C. (2025). Existence and uniqueness of solutions for the spatially inhomogeneous coagulation-condensation equation with a singular kernel. Journal of Nonlinear and Convex Analysis, 26(3), 591-611.
14. Ghosh, D., Mahalik, K., Sahoo, B., et al. (2025). Volume and mass conservation, and uniqueness property for the multi-dimensional coagulation-fragmentation equation with unbounded kernel. Journal of Nonlinear and Convex Analysis, 26(12), 3175-3188.
15. Jia, H. C., Chang, D. C., Weisz, F., et al. (2025). Musielak-Orlicz-Lorentz Hardy spaces: Maximal function, finite atomic, and Littlewood-Paley characterizations with applications to dual spaces and summability of Fourier transforms. Acta Mathematica Sinica-English Series, 41(1), 1-77.
16. Ghosh, D., Chang, D. C., Kumar, J., et al. (2025). The multidimensional coagulation and collisional breakage equation with unbounded kernel. Applicable Analysis, 104(7), 1353-1375.
17. Feng, S. Y., & Chang, D. C. (2024). On periodic solutions to the Hamilton system associated with the Schrödinger operators with strongly nonlinear potentials. Analysis and Mathematical Physics, 14(3), 50.
18. Chang, D. C., Duong, X. T., Li, J., et al. (2025). Fundamental properties of Cauchy-Szego projection on quaternionic Siegel upper half space and applications. Forum Mathematicum, 37(1), 43-74.
19. Cao, Y. N., Chang, D. C., & Wu, X. F. (2024). Relations between product and flag Triebel-Lizorkin spaces. Applicable Analysis, 103(14), 2516-2534.
20. Zeng, Z. Z., Chang, D. C., Tao, J., et al. (2023). Nontriviality of John-Nirenberg-Campanato spaces. Complex Analysis and Operator Theory, 17(5), 70.