"The Lp convergence of Fourier series on triangular domains"Acosta Babb, Ryan LWe prove Lp norm convergence for (appropriate truncations of) the Fourier series arising from the Dirichlet Laplacian eigenfunctions on three types of triangular domains in R2: (i) the 45-90-45 triangle, (ii) the equilateral triangle and (iii) the hemiequilateral triangle (i.e. half an equilateral triangle cut along its height). The limitations of our argument to these three types are discussed in light of Lamé’s Theorem. |
| http://univie.ac.at/projektservice-mathematik/e/talks/Acosta Babb_2022-03_RyanLAcostaBabb_LpConvergenceTriangularDomains.pdf |
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