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math.SP2022
Characterization of singular flows of zeroth-order pseudo-differential operators via elliptic eigenfunctions: a numerical study
Javier A. Almonacid, Nilima Nigam
The propagation of internal gravity waves in stratified media, such as those found in ocean basins and lakes, leads to the development of geometrical patterns called "attractors".…
math.SP2015★ 2 cited
Nearly radial Neumann eigenfunctions on symmetric domains
Nilima Nigam, Bartłomiej Siudeja, Benjamin Young
We study the existence of Neumann eigenfunctions which do not change sign on the boundary of some special domains. We show that eigenfunctions which are strictly positive on the bo…