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Carvalho, L., Diogo, C., Mendes, S. & Soares, H. (N/A). Quaternionic essential numerical range of complex operators. Linear and Multilinear Algebra. N/A
L. C. Carvalho et al., "Quaternionic essential numerical range of complex operators", in Linear and Multilinear Algebra, vol. N/A, N/A
@article{carvalhoN/A_1732901899650, author = "Carvalho, L. and Diogo, C. and Mendes, S. and Soares, H.", title = "Quaternionic essential numerical range of complex operators", journal = "Linear and Multilinear Algebra", year = "N/A", volume = "N/A", number = "", doi = "10.1080/03081087.2024.2413653", url = "https://www.tandfonline.com/journals/glma20" }
TY - JOUR TI - Quaternionic essential numerical range of complex operators T2 - Linear and Multilinear Algebra VL - N/A AU - Carvalho, L. AU - Diogo, C. AU - Mendes, S. AU - Soares, H. PY - N/A SN - 0308-1087 DO - 10.1080/03081087.2024.2413653 UR - https://www.tandfonline.com/journals/glma20 AB - We study the essential numerical range of complex operators on a quaternionic Hilbert space and its relation with the essential S-spectrum. We give a new characterization of the essential numerical range relating it to the complex essential numerical range. Moreover, we show that the quaternionic essential numerical range of a normal operator is the convex hull of the essential S-spectrum. ER -