D. Giri

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math.CA2020

Fourier nonuniqueness sets for the hyperbola and the Perron-Frobenius operators

Deb Kumar Giri

Let $Γ$ be a smooth curve or finite disjoint union of smooth curves in the plane and $Λ$ be any subset of the plane. Let $X (Γ)$ be the space of all finite complex-valued B…

math.CA2019

Heisenberg uniqueness pairs for the hyperbola

Deb Kumar Giri, Rama Rawat

Let $Γ$ be the hyperbola ${(x, y) \in R^{2} : x y = 1}$ and $Λ_{β}$ be the lattice-cross defined by $Λ_{β} = (Z \times {0}) \cup ({0} \times β Z)$ in…