8 citations · 19 across the 4 of their papers we have counts for
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math.CA2018★ 3 cited
Fourier series in BMO with number theoretical implications
Fernando Chamizo, Antonio Córdoba, Adrián Ubis
We introduce an elementary argument to bound the seminorm of Fourier series with gaps giving in particular a sufficient condition for them to be in this space. Using…
math.FA2018
Invariant subspaces for Bishop operators and beyond
Fernando Chamizo, Eva A. Gallardo-Gutiérrez, Miguel Monsalve-López +1
Bishop operators acting on were proposed by E. Bishop in the fifties as possible operators which might entail counterexamples for the Invariant Subspace Problem. W…
math.NT2018
Integral points on convex curves
Jean-Marc Deshouillers, Adrián Ubis
We estimate the maximal number of integral points which can be on a convex arc in the plane with given length, minimal radius of curvature and initial slope.