20-1 Namig J. Guliyev
Inverse square singularities and eigenparameter dependent boundary conditions are two sides of the same coin (559K, pdf) Jan 1, 20
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20-2 Pavel Exner and Vladimir Lotoreichik
Spectral optimization for Robin Laplacian in domains without cut loci (383K, pdf) Jan 8, 20
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20-3 L. T. Stepien
On some exact solutions of heavenly equations in four dimensions (141K, AMS-LaTeX 2.0 with 1 BibTeX file) Jan 14, 20
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20-4 L. T. Stepien
On some exact solutions of heavenly equations in four dimensions (170K, LaTeX 2e) Jan 21, 20
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20-5 Pavel Exner and Jiri Lipovsky
Topological bulk-edge effects in quantum graph transport (505K, pdf) Jan 29, 20
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20-7 Paul Federbush
The Genius Conjectures ( via Bell Polynomials ) (15K, LaTeX) Feb 4, 20
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