Spence, Euan A, Wunsch, Jared, and Zou, Yuzhou. Helmholtz quasi-resonances are unstable under most single-signed perturbations of the wave speed. Retrieved from https://par.nsf.gov/biblio/10621153. Journal of Differential Equations 440.P2 Web. doi:10.1016/j.jde.2025.113441.

Spence, Euan A, Wunsch, Jared, & Zou, Yuzhou. Helmholtz quasi-resonances are unstable under most single-signed perturbations of the wave speed. Journal of Differential Equations, 440 (P2). Retrieved from https://par.nsf.gov/biblio/10621153. https://doi.org/10.1016/j.jde.2025.113441

Spence, Euan A, Wunsch, Jared, and Zou, Yuzhou. "Helmholtz quasi-resonances are unstable under most single-signed perturbations of the wave speed". Journal of Differential Equations 440 (P2). Country unknown/Code not available: Elsevier. https://doi.org/10.1016/j.jde.2025.113441. https://par.nsf.gov/biblio/10621153.

@article{osti_10621153,
place = {Country unknown/Code not available}, title = {Helmholtz quasi-resonances are unstable under most single-signed perturbations of the wave speed}, url = {https://par.nsf.gov/biblio/10621153}, DOI = {10.1016/j.jde.2025.113441}, abstractNote = {}, journal = {Journal of Differential Equations}, volume = {440}, number = {P2}, publisher = {Elsevier}, author = {Spence, Euan A and Wunsch, Jared and Zou, Yuzhou}, }