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20222026
most citedExamples of exponential bases on Union of intervals

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math.FA2025

Note on Robins' Conjecture in Dimension Four and Higher

Oleg Asipchuk

This article is motivated by a conjecture proposed by Sinai Robins in 2024. The conjecture asserts that two convex, centrally symmetric sets of positive measure that are not multi-…

math.FA2025

Methods of construction of exponential bases on planar domains

Oleg Asipchuk, Laura De Carli

In this paper, we survey and refine several results -- some previously established in the literature -- that facilitate the construction of exponential bases on planar domains with…