Abstract
This is a rough guide to the topic which might be worthy to develop further on. Expanding positive definiteness beyond its presupposed scope is intriguing due to a number of possible applications. The paper though looking at the first glance a little bit sketchy may provide a basis for further research.
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Szafraniec, F.H. Transporting positive definiteness. Acta Sci. Math. (Szeged) 88, 505–514 (2022). https://doi.org/10.1007/s44146-022-00029-8
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DOI: https://doi.org/10.1007/s44146-022-00029-8