Sesquilinear version of numerical range and numerical radius

Hamid Reza Moradi; Mohsen Erfanian Omidvar; Silvestru Sever Dragomir; Mohammad Saeed Khan

doi:10.1515/ausm-2017-0024

Abstract

In this paper by using the notion of sesquilinear form we introduce a new class of numerical range and numerical radius in normed space 𝒱, also its various characterizations are given. We apply our results to get some inequalities.

References

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Sesquilinear version of numerical range and numerical radius

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