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Eigenvalue accumulation and bounds for non-selfadjoint matrix differential operators related to NLS. (English) Zbl 1478.35157

Exner, Pavel (ed.) et al., Partial differential equations, spectral theory, and mathematical physics. The Ari Laptev anniversary volume. Berlin: European Mathematical Society (EMS). EMS Ser. Congr. Rep., 445-456 (2021).
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A closer look at Bishop operators. (English) Zbl 07393033

Bastos, M. Amélia (ed.) et al., Operator theory, functional analysis and applications. Proceedings of the 30th international workshop on operator theory and its applications, IWOTA 2019, Lisbon, Portugal, July 22–26, 2019. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 282, 255-281 (2021).
MSC:  47A15 47B37 47B38
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Coefficients of exponential series for analytic functions and the Pommiez operator. (English. Russian original) Zbl 1475.30015

J. Math. Sci., New York 257, No. 2, 206-245 (2021); translation from Itogi Nauki Tekh., Ser. Sovrem. Mat. Prilozh., Temat. Obz. 161, 65-103 (2019).
MSC:  30B50 47A15 47A16
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Finite direct sums of cyclic embeddings. (English) Zbl 1468.05306

Assem, Ibrahim (ed.) et al., Advances in representation theory of algebras, ARTA VII. Conference in honor of José Antonio de la Peña’s 60th birthday, Instituto de Matemáticas, Universidad Nacional Autónoma de Mexico City, Mexico, September 24–28, 2018. Providence, RI: American Mathematical Society (AMS); Montreal: Centre de Recherches Mathématiques (CRM). Contemp. Math. 761, 159-169 (2021).
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A note on traces of forms with applications to the Bessel operator. (English) Zbl 07361670

Jeribi, Aref (ed.), Operator theory. Proceedings of the international conference on operator theory, Hammamet, Tunisia, April 30 – May 3, 2018. Berlin: De Gruyter. De Gruyter Proc. Math., 75-84 (2021).
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