Proof of the HRT conjecture for (2,2) configurations
Ciprian Demeter, Alexandru Zaharescu

TL;DR
This paper proves that for any four points arranged in a (2,2) configuration, the associated time-frequency translates of any square-integrable function are linearly independent, confirming the HRT conjecture in this case.
Contribution
It establishes the HRT conjecture for all (2,2) point configurations, a previously unresolved case in time-frequency analysis.
Findings
No linear dependence among time-frequency translates for (2,2) configurations
Confirms the HRT conjecture in this specific case
Advances understanding of linear independence in time-frequency analysis
Abstract
We prove that for any 4 points in a (2-2) configuration, there is no linear dependence between the associated time-frequency translates of any function
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Taxonomy
TopicsMathematical Dynamics and Fractals · Mathematical Analysis and Transform Methods · Mathematics and Applications
