Tumanyan, A. On the Fredholm property of semielliptic operators in anisotropic weighted spaces in \(\mathbb{R}^n\). (English) Zbl 07395159 J. Contemp. Math. Anal., Armen. Acad. Sci. 56, No. 3, 168-181 (2021) and Izv. Nats. Akad. Nauk Armen., Mat. 56, No. 3, 61-78 (2021). MSC: 35H30 47A53 PDF BibTeX XML Cite \textit{A. Tumanyan}, J. Contemp. Math. Anal., Armen. Acad. Sci. 56, No. 3, 168--181 (2021; Zbl 07395159) Full Text: DOI OpenURL
Müller, V.; Tomilov, Yu. On the interplay between operators, bases, and matrices. (English) Zbl 07395019 J. Funct. Anal. 281, No. 9, Article ID 109158, 38 p. (2021). MSC: 47B02 47A67 47A08 47A12 47A13 PDF BibTeX XML Cite \textit{V. Müller} and \textit{Yu. Tomilov}, J. Funct. Anal. 281, No. 9, Article ID 109158, 38 p. (2021; Zbl 07395019) Full Text: DOI OpenURL
Abad, Othman; Zguitti, Hassane A note on the generalized Drazin-Riesz invertible operators. (English) Zbl 07393866 Ann. Funct. Anal. 12, No. 4, Paper No. 55, 17 p. (2021). MSC: 47A10 47A53 47A55 47A25 PDF BibTeX XML Cite \textit{O. Abad} and \textit{H. Zguitti}, Ann. Funct. Anal. 12, No. 4, Paper No. 55, 17 p. (2021; Zbl 07393866) Full Text: DOI OpenURL
Abdelmoumen, Boulbeba; Dammak, Hafedh; Yengui, Sonia Stability for the “essentially Kato” property for commuting tuples of bounded operators. (English) Zbl 07393800 Rocky Mt. J. Math. 51, No. 3, 761-770 (2021). MSC: 47A15 47A53 47A55 PDF BibTeX XML Cite \textit{B. Abdelmoumen} et al., Rocky Mt. J. Math. 51, No. 3, 761--770 (2021; Zbl 07393800) Full Text: DOI OpenURL
He, Li; Cao, Guangfu Compact Toeplitz operators products on Hardy-Sobolev spaces over the unit polydisk. (English) Zbl 07393784 Rocky Mt. J. Math. 51, No. 2, 549-570 (2021). MSC: 32A37 47B35 47A30 47A53 PDF BibTeX XML Cite \textit{L. He} and \textit{G. Cao}, Rocky Mt. J. Math. 51, No. 2, 549--570 (2021; Zbl 07393784) Full Text: DOI OpenURL
Shalit, Orr Moshe Dilation theory: a guided tour. (English) Zbl 07393048 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. Basel: Birkhäuser. Oper. Theory: Adv. Appl. 282, 551-623 (2021). MSC: 47A20 46L07 46L55 47A13 47B32 47L25 PDF BibTeX XML Cite \textit{O. M. Shalit}, Oper. Theory: Adv. Appl. 282, 551--623 (2021; Zbl 07393048) Full Text: DOI OpenURL
Junghanns, Peter; Kaiser, Robert A note on the Fredholm theory of singular integral operators with Cauchy and Mellin kernels. II. (English) Zbl 07393038 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. Basel: Birkhäuser. Oper. Theory: Adv. Appl. 282, 353-392 (2021). MSC: 45B05 45E05 45E10 45P05 PDF BibTeX XML Cite \textit{P. Junghanns} and \textit{R. Kaiser}, Oper. Theory: Adv. Appl. 282, 353--392 (2021; Zbl 07393038) Full Text: DOI OpenURL
Eschmeier, Jörg; Toth, Sebastian \(K\)-inner functions and \(K\)-contractions. (English) Zbl 07393028 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. Basel: Birkhäuser. Oper. Theory: Adv. Appl. 282, 157-181 (2021). MSC: 47A13 47A20 47A45 47A48 PDF BibTeX XML Cite \textit{J. Eschmeier} and \textit{S. Toth}, Oper. Theory: Adv. Appl. 282, 157--181 (2021; Zbl 07393028) Full Text: DOI OpenURL
Karlovich, Yuri On Mellin pseudodifferential operators with quasicontinuous symbols. (English) Zbl 07390613 Math. Methods Appl. Sci. 44, No. 12, 9782-9816 (2021). MSC: 47G20 45E05 47A53 47G10 PDF BibTeX XML Cite \textit{Y. Karlovich}, Math. Methods Appl. Sci. 44, No. 12, 9782--9816 (2021; Zbl 07390613) Full Text: DOI OpenURL
Baum, Paul F.; van Erp, Erik The index theorem for Toeplitz operators as a corollary of Bott periodicity. (English) Zbl 07389929 Q. J. Math. 72, No. 1-2, 547-569 (2021). MSC: 47A53 47B35 53C27 58B15 PDF BibTeX XML Cite \textit{P. F. Baum} and \textit{E. van Erp}, Q. J. Math. 72, No. 1--2, 547--569 (2021; Zbl 07389929) Full Text: DOI OpenURL
Ben Ouidren, Kaoutar; Zariouh, Hassan New approach to a-Weyl’s theorem and some preservation results. (English) Zbl 07383957 Rend. Circ. Mat. Palermo (2) 70, No. 2, 819-833 (2021). MSC: 47A53 47A10 47A11 47A55 PDF BibTeX XML Cite \textit{K. Ben Ouidren} and \textit{H. Zariouh}, Rend. Circ. Mat. Palermo (2) 70, No. 2, 819--833 (2021; Zbl 07383957) Full Text: DOI OpenURL
Alam, Rafikul; Ali, Jibrail Perturbations of discrete spectra of holomorphic operator-valued functions. (English) Zbl 07383691 J. Anal. 29, No. 2, 551-569 (2021). MSC: 47A75 47A55 47A10 47A53 PDF BibTeX XML Cite \textit{R. Alam} and \textit{J. Ali}, J. Anal. 29, No. 2, 551--569 (2021; Zbl 07383691) Full Text: DOI OpenURL
Nair, M. T. Regularization of ill-posed operator equations: an overview. (English) Zbl 07383689 J. Anal. 29, No. 2, 519-541 (2021). MSC: 65J10 65R30 45B05 45E99 PDF BibTeX XML Cite \textit{M. T. Nair}, J. Anal. 29, No. 2, 519--541 (2021; Zbl 07383689) Full Text: DOI OpenURL
Cvetković, Miloš D.; Živković-Zlatanović, Snežana Č. A note on Koliha-Drazin invertible operators and a-Browder’s theorem. (English) Zbl 07382599 Complex Anal. Oper. Theory 15, No. 5, Paper No. 81, 12 p. (2021). MSC: 47A53 47A10 PDF BibTeX XML Cite \textit{M. D. Cvetković} and \textit{S. Č. Živković-Zlatanović}, Complex Anal. Oper. Theory 15, No. 5, Paper No. 81, 12 p. (2021; Zbl 07382599) Full Text: DOI OpenURL
Kalleji, Morteza Koozehgar Bounded and Fredholm properties of SG-pseudo-differential operators in variable exponent spaces. (English) Zbl 07381168 J. Pseudo-Differ. Oper. Appl. 12, No. 2, Paper No. 33, 23 p. (2021). MSC: 47G30 47A13 46E35 PDF BibTeX XML Cite \textit{M. K. Kalleji}, J. Pseudo-Differ. Oper. Appl. 12, No. 2, Paper No. 33, 23 p. (2021; Zbl 07381168) Full Text: DOI OpenURL
Desiraju, Harini Fredholm determinant representation of the homogeneous Painlevé II \(\tau\)-function. (English) Zbl 07380016 Nonlinearity 34, No. 9, 6507-6538 (2021). MSC: 34M50 34M55 45P05 PDF BibTeX XML Cite \textit{H. Desiraju}, Nonlinearity 34, No. 9, 6507--6538 (2021; Zbl 07380016) Full Text: DOI OpenURL
Chattopadhyay, Arup; Das, Soma; Pradhan, Chandan Kernels of perturbed Toeplitz operators in vector-valued Hardy spaces. (English) Zbl 07377748 Adv. Oper. Theory 6, No. 3, Paper No. 49, 28 p. (2021). MSC: 47A13 47A15 47B35 46E20 47B38 47B32 30H10 PDF BibTeX XML Cite \textit{A. Chattopadhyay} et al., Adv. Oper. Theory 6, No. 3, Paper No. 49, 28 p. (2021; Zbl 07377748) Full Text: DOI OpenURL
Cabrera, M. O.; Soriano Arbizu, J. M. Compact perturbations of a linear homeomorphism. (English) Zbl 07377605 Acta Math. Hung. 164, No. 2, 522-532 (2021). MSC: 58C30 47B38 PDF BibTeX XML Cite \textit{M. O. Cabrera} and \textit{J. M. Soriano Arbizu}, Acta Math. Hung. 164, No. 2, 522--532 (2021; Zbl 07377605) Full Text: DOI OpenURL
Kito, S. L.; Wanjala, G. Nullity and deficiency of linear relations under certain perturbations. (English) Zbl 07376911 J. Anal. Appl. 19, No. 2, 119-134 (2021). MSC: 47A06 47A53 47A55 PDF BibTeX XML Cite \textit{S. L. Kito} and \textit{G. Wanjala}, J. Anal. Appl. 19, No. 2, 119--134 (2021; Zbl 07376911) OpenURL
Zhen, Maoding; Zhang, Binlin Complete classification of ground state solutions with different Morse index for critical fractional Laplacian system. (English) Zbl 07376627 Math. Methods Appl. Sci. 44, No. 2, 1601-1614 (2021). MSC: 35R11 35B09 35J47 35J50 35J61 47A53 58E05 PDF BibTeX XML Cite \textit{M. Zhen} and \textit{B. Zhang}, Math. Methods Appl. Sci. 44, No. 2, 1601--1614 (2021; Zbl 07376627) Full Text: DOI OpenURL
Vougalter, Vitali; Volpert, Vitaly Existence of solutions for some non-Fredholm integro-differential equations with the bi-Laplacian. (English) Zbl 07376528 Math. Methods Appl. Sci. 44, No. 1, 220-231 (2021). MSC: 35J61 35J30 35A01 PDF BibTeX XML Cite \textit{V. Vougalter} and \textit{V. Volpert}, Math. Methods Appl. Sci. 44, No. 1, 220--231 (2021; Zbl 07376528) Full Text: DOI OpenURL
Buchholz, Nicholas; Shum, Matthew; Xu, Haiqing Semiparametric estimation of dynamic discrete choice models. (English) Zbl 07376496 J. Econom. 223, No. 2, 312-327 (2021). MSC: 62-XX 91-XX PDF BibTeX XML Cite \textit{N. Buchholz} et al., J. Econom. 223, No. 2, 312--327 (2021; Zbl 07376496) Full Text: DOI OpenURL
Garoufalidis, Stavros; Gu, Jie; Mariño, Marcos The resurgent structure of quantum knot invariants. (English) Zbl 07376280 Commun. Math. Phys. 386, No. 1, 469-493 (2021). MSC: 81T15 41A60 57K45 58J28 39A06 47A53 57K18 PDF BibTeX XML Cite \textit{S. Garoufalidis} et al., Commun. Math. Phys. 386, No. 1, 469--493 (2021; Zbl 07376280) Full Text: DOI OpenURL
Chiumiento, Eduardo On a conjecture by Mbekhta about best approximation by polar factors. (English) Zbl 07375588 Proc. Am. Math. Soc. 149, No. 9, 3913-3922 (2021). MSC: 47A05 47A46 47A53 PDF BibTeX XML Cite \textit{E. Chiumiento}, Proc. Am. Math. Soc. 149, No. 9, 3913--3922 (2021; Zbl 07375588) Full Text: DOI OpenURL
López-Gómez, Julián; Sampedro, Juan Carlos Global perturbation of nonlinear eigenvalues. (English) Zbl 07374853 Adv. Nonlinear Stud. 21, No. 2, 229-249 (2021). MSC: 47A55 47H11 35J25 PDF BibTeX XML Cite \textit{J. López-Gómez} and \textit{J. C. Sampedro}, Adv. Nonlinear Stud. 21, No. 2, 229--249 (2021; Zbl 07374853) Full Text: DOI OpenURL
Stefan, Anthony; Welters, Aaron A short proof of the symmetric determinantal representation of polynomials. (English) Zbl 07374639 Linear Algebra Appl. 627, 80-93 (2021). Reviewer: Mihai Putinar (Santa Barbara) MSC: 32A08 15A15 15A22 47A56 47A13 93B25 PDF BibTeX XML Cite \textit{A. Stefan} and \textit{A. Welters}, Linear Algebra Appl. 627, 80--93 (2021; Zbl 07374639) Full Text: DOI OpenURL
Curbera, Guillermo P.; Okada, Susumu; Ricker, Werner J. Non-extendability of the finite Hilbert transform. (English) Zbl 07374524 Monatsh. Math. 195, No. 4, 649-657 (2021). MSC: 44A15 46E30 47A53 47B34 PDF BibTeX XML Cite \textit{G. P. Curbera} et al., Monatsh. Math. 195, No. 4, 649--657 (2021; Zbl 07374524) Full Text: DOI OpenURL
Berkani, M. A new approach in index theory. (English) Zbl 07373902 Math. Z. 298, No. 3-4, 943-951 (2021). MSC: 47A53 58B05 PDF BibTeX XML Cite \textit{M. Berkani}, Math. Z. 298, No. 3--4, 943--951 (2021; Zbl 07373902) Full Text: DOI OpenURL
Al-Smadi, Mohammed; Dutta, Hemen; Hasan, Shatha; Momani, Shaher On numerical approximation of atangana-baleanu-Caputo fractional integro-differential equations under uncertainty in Hilbert space. (English) Zbl 07372369 Math. Model. Nat. Phenom. 16, Paper No. 41, 26 p. (2021). MSC: 65R20 45B05 47B32 34A07 34A08 45L05 PDF BibTeX XML Cite \textit{M. Al-Smadi} et al., Math. Model. Nat. Phenom. 16, Paper No. 41, 26 p. (2021; Zbl 07372369) Full Text: DOI OpenURL
Delay, Erwann Laplacian spectrum acting on \(r\)-symmetric tensors on hyperbolic space. (Spectre du Laplacien agissant sur les \(r\)-tenseurs symétriques sur l’espace hyperbolique.) (French. English summary) Zbl 07371721 C. R., Math., Acad. Sci. Paris 359, No. 5, 625-630 (2021). MSC: 35P15 58J50 47A53 PDF BibTeX XML Cite \textit{E. Delay}, C. R., Math., Acad. Sci. Paris 359, No. 5, 625--630 (2021; Zbl 07371721) Full Text: DOI OpenURL
Dzhumabaev, Dulat S.; Mynbayeva, Sandugash A method of solving a nonlinear boundary value problem for the Fredholm integro-differential equation. (English) Zbl 07367839 J. Integral Equations Appl. 33, No. 1, 53-75 (2021). MSC: 45B05 45J05 47G20 65R20 PDF BibTeX XML Cite \textit{D. S. Dzhumabaev} and \textit{S. Mynbayeva}, J. Integral Equations Appl. 33, No. 1, 53--75 (2021; Zbl 07367839) Full Text: DOI OpenURL
An, Il Ju; Heo, Jaeseong \(\mathcal{J}\)-selfadjoint Krein space operators and Aluthge transforms. (English) Zbl 07367715 Mediterr. J. Math. 18, No. 4, Paper No. 138, 16 p. (2021). MSC: 47A53 47A10 46C20 PDF BibTeX XML Cite \textit{I. J. An} and \textit{J. Heo}, Mediterr. J. Math. 18, No. 4, Paper No. 138, 16 p. (2021; Zbl 07367715) Full Text: DOI OpenURL
Chattopadhyay, Arup; Sarkar, Jaydeb; Sarkar, Srijan Multiplicities, invariant subspaces and an additive formula. (English) Zbl 07367605 Proc. Edinb. Math. Soc., II. Ser. 64, No. 2, 279-297 (2021). MSC: 47A13 47A15 47A16 47A80 47B37 47B38 46C99 32A35 32A36 32A70 PDF BibTeX XML Cite \textit{A. Chattopadhyay} et al., Proc. Edinb. Math. Soc., II. Ser. 64, No. 2, 279--297 (2021; Zbl 07367605) Full Text: DOI OpenURL
Sun, Chenhui; Bai, Zhengui; Cao, Xiaohong Judgement of Browder’s theorem for bounded linear operators. (Chinese. English summary) Zbl 07366349 J. Shandong Univ., Nat. Sci. 56, No. 2, 34-40 (2021). MSC: 47A10 47A53 PDF BibTeX XML Cite \textit{C. Sun} et al., J. Shandong Univ., Nat. Sci. 56, No. 2, 34--40 (2021; Zbl 07366349) Full Text: DOI OpenURL
Cakoni, Fioralba; Kow, Pu-Zhao; Wang, Jenn-Nan The interior transmission eigenvalue problem for elastic waves in media with obstacles. (English) Zbl 07365418 Inverse Probl. Imaging 15, No. 3, 445-474 (2021). MSC: 35P05 35J57 35R30 74J25 47A53 47A75 PDF BibTeX XML Cite \textit{F. Cakoni} et al., Inverse Probl. Imaging 15, No. 3, 445--474 (2021; Zbl 07365418) Full Text: DOI OpenURL
Vasy, András Resolvent near zero energy on Riemannian scattering (asymptotically conic) spaces. (English) Zbl 07365348 Pure Appl. Anal. 3, No. 1, 1-74 (2021). MSC: 58J50 35P25 58J40 58J47 PDF BibTeX XML Cite \textit{A. Vasy}, Pure Appl. Anal. 3, No. 1, 1--74 (2021; Zbl 07365348) Full Text: DOI OpenURL
Kadchenko, Sergeĭ Ivanovich; Ryazanova, Lyubov’ Sergeevna; Dzhiganchina, Yuliya Rustamovna Algorithm for numerical solution of inverse spectral problems generated by Sturm-Liouville operators of an arbitrary even order. (English) Zbl 07362761 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat. Model. Program. 14, No. 2, 52-63 (2021). MSC: 47A10 PDF BibTeX XML Cite \textit{S. I. Kadchenko} et al., Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat. Model. Program. 14, No. 2, 52--63 (2021; Zbl 07362761) Full Text: DOI MNR OpenURL
Bouzidi, Sana; Walha, Ines Left-right essential spectra of one-sided operator matrix and application. (English) Zbl 07361677 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., 157-175 (2021). MSC: 47A10 47A53 34K08 PDF BibTeX XML Cite \textit{S. Bouzidi} and \textit{I. Walha}, in: Operator theory. Proceedings of the international conference on operator theory, Hammamet, Tunisia, April 30 -- May 3, 2018. Berlin: De Gruyter. 157--175 (2021; Zbl 07361677) Full Text: DOI OpenURL
Ammar, Aymen; Jeribi, Aref; Lazrag, Nawrez Sequence of linear operators converging in the generalized sense and its essential pseudospectra. (English) Zbl 07361676 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., 147-155 (2021). MSC: 47A53 39B42 PDF BibTeX XML Cite \textit{A. Ammar} et al., in: Operator theory. Proceedings of the international conference on operator theory, Hammamet, Tunisia, April 30 -- May 3, 2018. Berlin: De Gruyter. 147--155 (2021; Zbl 07361676) Full Text: DOI OpenURL
Ammar, Aymen; Bouchekoua, Ameni; Jeribi, Aref Some results of S-pseudospectra of bounded operators in a Hilbert space. (English) Zbl 07361674 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., 121-129 (2021). MSC: 47A53 47A55 47A10 PDF BibTeX XML Cite \textit{A. Ammar} et al., in: Operator theory. Proceedings of the international conference on operator theory, Hammamet, Tunisia, April 30 -- May 3, 2018. Berlin: De Gruyter. 121--129 (2021; Zbl 07361674) Full Text: DOI OpenURL
Ferjani, Imen; Jeribi, Aref; Krichen, Bilel Invariance of essential spectrum by means of generalized weak demicompactness. (English) Zbl 07361673 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., 115-120 (2021). MSC: 47A53 47A10 PDF BibTeX XML Cite \textit{I. Ferjani} et al., in: Operator theory. Proceedings of the international conference on operator theory, Hammamet, Tunisia, April 30 -- May 3, 2018. Berlin: De Gruyter. 115--120 (2021; Zbl 07361673) Full Text: DOI OpenURL
Ammar, Aymen; Daoud, Houcem; Jeribi, Aref Pseudospectra of multivalued linear operators. (English) Zbl 07361671 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., 85-100 (2021). MSC: 47A06 PDF BibTeX XML Cite \textit{A. Ammar} et al., in: Operator theory. Proceedings of the international conference on operator theory, Hammamet, Tunisia, April 30 -- May 3, 2018. Berlin: De Gruyter. 85--100 (2021; Zbl 07361671) Full Text: DOI OpenURL
Boichuk, A. A.; Zhuravlev, V. F. Solvability criterion for linear boundary-value problems for integrodifferential Fredholm equations with degenerate kernels in Banach spaces. (English. Ukrainian original) Zbl 07361381 Ukr. Math. J. 72, No. 11, 1695-1714 (2021); translation from Ukr. Mat. Zh. 72, No. 11, 1469-1486 (2020). MSC: 45J05 45B05 47A05 45N05 PDF BibTeX XML Cite \textit{A. A. Boichuk} and \textit{V. F. Zhuravlev}, Ukr. Math. J. 72, No. 11, 1695--1714 (2021; Zbl 07361381); translation from Ukr. Mat. Zh. 72, No. 11, 1469--1486 (2020) Full Text: DOI OpenURL
Trivedi, Harsh; Veerabathiran, Shankar Doubly commuting invariant subspaces for representations of product systems of \(C^*\)-correspondences. (English) Zbl 07360840 Ann. Funct. Anal. 12, No. 3, Paper No. 47, 32 p. (2021). MSC: 46L08 47A13 47A15 47B38 47L30 47L55 47L80 PDF BibTeX XML Cite \textit{H. Trivedi} and \textit{S. Veerabathiran}, Ann. Funct. Anal. 12, No. 3, Paper No. 47, 32 p. (2021; Zbl 07360840) Full Text: DOI OpenURL
Krishna Das, B.; Sau, Haripada Algebraic properties of Toeplitz operators on the symmetrized polydisk. (English) Zbl 07358642 Complex Anal. Oper. Theory 15, No. 3, Paper No. 60, 28 p. (2021). MSC: 47A13 47A20 47B35 47B38 46E20 30H10 PDF BibTeX XML Cite \textit{B. Krishna Das} and \textit{H. Sau}, Complex Anal. Oper. Theory 15, No. 3, Paper No. 60, 28 p. (2021; Zbl 07358642) Full Text: DOI OpenURL
Das, Susmita; Pradhan, Deepak Kumar; Sarkar, Jaydeb Submodules in polydomains and noncommutative varieties. (English) Zbl 07357791 Integral Equations Oper. Theory 93, No. 3, Paper No. 23, 32 p. (2021). MSC: 47A15 30H05 32A10 46L40 46L06 47A13 PDF BibTeX XML Cite \textit{S. Das} et al., Integral Equations Oper. Theory 93, No. 3, Paper No. 23, 32 p. (2021; Zbl 07357791) Full Text: DOI OpenURL
Arrigoni, Olivier Square functions for commuting families of Ritt operators. (English) Zbl 07355808 Complex Anal. Oper. Theory 15, No. 3, Paper No. 46, 36 p. (2021). MSC: 47A60 47D06 47A13 PDF BibTeX XML Cite \textit{O. Arrigoni}, Complex Anal. Oper. Theory 15, No. 3, Paper No. 46, 36 p. (2021; Zbl 07355808) Full Text: DOI OpenURL
Castrigiano, Domenico P. L. Unbounded Wiener-Hopf operators and isomorphic singular integral operators. (English) Zbl 07355465 Complex Anal. Oper. Theory 15, No. 3, Paper No. 63, 29 p. (2021). MSC: 47G10 47B35 47A53 47B25 PDF BibTeX XML Cite \textit{D. P. L. Castrigiano}, Complex Anal. Oper. Theory 15, No. 3, Paper No. 63, 29 p. (2021; Zbl 07355465) Full Text: DOI OpenURL
Djordjević, Bogdan D. Singular Sylvester equation in Banach spaces and its applications: Fredholm theory approach. (English) Zbl 07355258 Linear Algebra Appl. 622, 189-214 (2021). MSC: 47A62 47A53 47A60 PDF BibTeX XML Cite \textit{B. D. Djordjević}, Linear Algebra Appl. 622, 189--214 (2021; Zbl 07355258) Full Text: DOI OpenURL
Feki, Kais; Yamazaki, Takeaki Joint numerical radius of spherical Aluthge transforms of tuples of Hilbert space operators. (English) Zbl 07354312 Math. Inequal. Appl. 24, No. 2, 405-420 (2021). MSC: 47A13 47A12 47A30 PDF BibTeX XML Cite \textit{K. Feki} and \textit{T. Yamazaki}, Math. Inequal. Appl. 24, No. 2, 405--420 (2021; Zbl 07354312) Full Text: DOI OpenURL
Zubova, S. P.; Raetskaya, E. V.; Uskov, V. I. Degeneracy property of a matrixdifferential operator and applications. (English. Russian original) Zbl 1465.35034 J. Math. Sci., New York 255, No. 5, 640-652 (2021); translation from Probl. Mat. Anal. 109, 97-108 (2021). MSC: 35B25 35L20 47A53 PDF BibTeX XML Cite \textit{S. P. Zubova} et al., J. Math. Sci., New York 255, No. 5, 640--652 (2021; Zbl 1465.35034); translation from Probl. Mat. Anal. 109, 97--108 (2021) Full Text: DOI OpenURL
Mandal, Moumita; Nelakanti, Gnaneshwar Superconvergence results for the nonlinear Fredholm-Hammerstein integral equations of second kind. (Superconvergence results for the nonlinear Fredholm-Hemmerstein integral equations of second kind.) (English) Zbl 1460.65163 J. Anal. 29, No. 1, 67-87 (2021). MSC: 65R20 45B05 45G10 45L05 47H30 PDF BibTeX XML Cite \textit{M. Mandal} and \textit{G. Nelakanti}, J. Anal. 29, No. 1, 67--87 (2021; Zbl 1460.65163) Full Text: DOI OpenURL
Boua, Hamid Spectral theory for strongly continuous cosine. (English) Zbl 07347149 Concr. Oper. 8, 40-47 (2021). MSC: 47D09 47A11 PDF BibTeX XML Cite \textit{H. Boua}, Concr. Oper. 8, 40--47 (2021; Zbl 07347149) Full Text: DOI OpenURL
Alpay, Daniel; Kaptanoğlu, H. Turgay Shift operators on harmonic Hilbert function spaces on real balls and von Neumann inequality. (English) Zbl 07346920 J. Funct. Anal. 281, No. 4, Article ID 109058, 32 p. (2021). MSC: 47A13 47B32 33C55 31B05 33C45 42B35 46E20 46E22 47B37 PDF BibTeX XML Cite \textit{D. Alpay} and \textit{H. T. Kaptanoğlu}, J. Funct. Anal. 281, No. 4, Article ID 109058, 32 p. (2021; Zbl 07346920) Full Text: DOI OpenURL
Zhang, Shuyi Essential normality for Beurling-type quotient modules over tube-type domains. (English) Zbl 07345248 Integral Equations Oper. Theory 93, No. 1, Paper No. 3, 18 p. (2021). MSC: 46E20 47A13 47B32 32M15 17C99 PDF BibTeX XML Cite \textit{S. Zhang}, Integral Equations Oper. Theory 93, No. 1, Paper No. 3, 18 p. (2021; Zbl 07345248) Full Text: DOI OpenURL
Belguith, Marwa; Moalla, Nedra Spectral theory of \(2\times 2\) matrix with entries in a Banach algebra. (English) Zbl 07343255 Rend. Circ. Mat. Palermo (2) 70, No. 1, 121-135 (2021). MSC: 47A10 47A53 46H99 58B15 58J20 PDF BibTeX XML Cite \textit{M. Belguith} and \textit{N. Moalla}, Rend. Circ. Mat. Palermo (2) 70, No. 1, 121--135 (2021; Zbl 07343255) Full Text: DOI OpenURL
Hernández Chávez, Luis Roberto; Wawrzyńczyk, Antoni Joint spectra and restricted Gelfand transform. (English) Zbl 07342826 Bol. Soc. Mat. Mex., III. Ser. 27, No. 1, Paper No. 6, 11 p. (2021). MSC: 47A13 47A60 46H30 PDF BibTeX XML Cite \textit{L. R. Hernández Chávez} and \textit{A. Wawrzyńczyk}, Bol. Soc. Mat. Mex., III. Ser. 27, No. 1, Paper No. 6, 11 p. (2021; Zbl 07342826) Full Text: DOI OpenURL
Chaillat, Stéphanie; Darbas, Marion; Le Louër, Frédérique Analytical preconditioners for Neumann elastodynamic boundary element methods. (English) Zbl 1464.65224 SN Partial Differ. Equ. Appl. 2, No. 2, Paper No. 22, 26 p. (2021). MSC: 65N38 65F08 45B05 47G30 74J20 35P25 PDF BibTeX XML Cite \textit{S. Chaillat} et al., SN Partial Differ. Equ. Appl. 2, No. 2, Paper No. 22, 26 p. (2021; Zbl 1464.65224) Full Text: DOI OpenURL
Duduchava, Roland Mixed type boundary value problems for Laplace-Beltrami equation on a surface with the Lipschitz boundary. (English) Zbl 1466.35145 Georgian Math. J. 28, No. 2, 219-232 (2021). Reviewer: Luis Filipe Pinheiro de Castro (Aveiro) MSC: 35J57 45E10 47B35 PDF BibTeX XML Cite \textit{R. Duduchava}, Georgian Math. J. 28, No. 2, 219--232 (2021; Zbl 1466.35145) Full Text: DOI OpenURL
Mebarki, Leila; Messirdi, Bekkai; Benharrat, Mohammed Quasi-compactness of linear operators on Banach spaces: new properties and application to Markov chains. (English) Zbl 07337266 Asian-Eur. J. Math. 14, No. 4, Article ID 2150060, 20 p. (2021). MSC: 47A05 47B33 47A10 PDF BibTeX XML Cite \textit{L. Mebarki} et al., Asian-Eur. J. Math. 14, No. 4, Article ID 2150060, 20 p. (2021; Zbl 07337266) Full Text: DOI OpenURL
Ammar, Aymen; Jeribi, Aref; Mahfoudhi, Kamel The condition pseudospectrum of a operator pencil. (English) Zbl 07337263 Asian-Eur. J. Math. 14, No. 4, Article ID 2150057, 12 p. (2021). MSC: 47A53 47A55 54B35 47A13 PDF BibTeX XML Cite \textit{A. Ammar} et al., Asian-Eur. J. Math. 14, No. 4, Article ID 2150057, 12 p. (2021; Zbl 07337263) Full Text: DOI OpenURL
Uddhao, Swapna V.; Saraykar, R. V. Holly type stability of set of solutions of three dimensional stationary incompressible magnetohydrodynamic equations. (English) Zbl 1464.35255 Differ. Equ. Dyn. Syst. 29, No. 1, 35-58 (2021). MSC: 35Q35 76W05 76E25 35B35 47A53 PDF BibTeX XML Cite \textit{S. V. Uddhao} and \textit{R. V. Saraykar}, Differ. Equ. Dyn. Syst. 29, No. 1, 35--58 (2021; Zbl 1464.35255) Full Text: DOI OpenURL
Popescu, Gelu Representations of \(C^*\)-algebras associated with noncommutative polyvarieties. (English) Zbl 07335642 Integral Equations Oper. Theory 93, No. 1, Paper No. 12, 51 p. (2021). MSC: 46L45 46L05 47A65 46L52 47A13 PDF BibTeX XML Cite \textit{G. Popescu}, Integral Equations Oper. Theory 93, No. 1, Paper No. 12, 51 p. (2021; Zbl 07335642) Full Text: DOI OpenURL
Braga, Bruno M. On Banach algebras of band-dominated operators and their order structure. (English) Zbl 07332873 J. Funct. Anal. 280, No. 9, Article ID 108958, 40 p. (2021). Reviewer: Ralf Meyer (Göttingen) MSC: 46L80 47A53 46L85 19K56 51F30 00A27 PDF BibTeX XML Cite \textit{B. M. Braga}, J. Funct. Anal. 280, No. 9, Article ID 108958, 40 p. (2021; Zbl 07332873) Full Text: DOI OpenURL
Gui, Zhengping; Li, Si; Xu, Kai Geometry of localized effective theories, exact semi-classical approximation and the algebraic index. (English) Zbl 1460.81056 Commun. Math. Phys. 382, No. 1, 441-483 (2021). MSC: 81T12 81Q20 81T18 58D15 81T45 47A53 19L10 58D30 PDF BibTeX XML Cite \textit{Z. Gui} et al., Commun. Math. Phys. 382, No. 1, 441--483 (2021; Zbl 1460.81056) Full Text: DOI OpenURL
Hu, Xijun; Ou, Yuwei; Yu, Guowei An index theory for collision, parabolic and hyperbolic solutions of the Newtonian \(n\)-body problem. (English) Zbl 07331729 Arch. Ration. Mech. Anal. 240, No. 1, 565-603 (2021). MSC: 47Exx 58Bxx 47E05 58B15 PDF BibTeX XML Cite \textit{X. Hu} et al., Arch. Ration. Mech. Anal. 240, No. 1, 565--603 (2021; Zbl 07331729) Full Text: DOI OpenURL
Tanaka, Yohei A constructive approach to topological invariants for one-dimensional strictly local operators. (English) Zbl 1460.81029 J. Math. Anal. Appl. 500, No. 1, Article ID 125072, 22 p. (2021). MSC: 81Q10 34L40 34C14 81Q35 82C20 47A53 34L05 PDF BibTeX XML Cite \textit{Y. Tanaka}, J. Math. Anal. Appl. 500, No. 1, Article ID 125072, 22 p. (2021; Zbl 1460.81029) Full Text: DOI OpenURL
Efendiev, Messoud; Vougalter, Vitali Existence of solutions for some non-Fredholm integro-differential equations with mixed diffusion. (English) Zbl 07330796 J. Differ. Equations 284, 83-101 (2021). MSC: 47G20 35P30 47F05 PDF BibTeX XML Cite \textit{M. Efendiev} and \textit{V. Vougalter}, J. Differ. Equations 284, 83--101 (2021; Zbl 07330796) Full Text: DOI OpenURL
Kian, Mohsen; Seo, Yuki Jointly convex mappings related to Lieb’s theorem and Minkowski type operator inequalities. (English) Zbl 07330699 Anal. Math. Phys. 11, No. 2, Paper No. 72, 33 p. (2021). MSC: 47A63 47A64 47A13 15A45 PDF BibTeX XML Cite \textit{M. Kian} and \textit{Y. Seo}, Anal. Math. Phys. 11, No. 2, Paper No. 72, 33 p. (2021; Zbl 07330699) Full Text: DOI OpenURL
Andruchow, Esteban; Di Iorio y Lucero, María Eugenia \(p\)-Schatten commutators of projections. (English) Zbl 07329463 Ann. Funct. Anal. 12, No. 2, Paper No. 29, 20 p. (2021). MSC: 47A05 47A53 47A05 46H35 47B10 58B05 PDF BibTeX XML Cite \textit{E. Andruchow} and \textit{M. E. Di Iorio y Lucero}, Ann. Funct. Anal. 12, No. 2, Paper No. 29, 20 p. (2021; Zbl 07329463) Full Text: DOI OpenURL
Vougalter, Vitali Solvability of some integro-differential equations with anomalous diffusion in higher dimensions. (English) Zbl 1460.35367 Complex Var. Elliptic Equ. 66, No. 1, 165-179 (2021). MSC: 35R09 35R11 35A01 35P30 47F05 PDF BibTeX XML Cite \textit{V. Vougalter}, Complex Var. Elliptic Equ. 66, No. 1, 165--179 (2021; Zbl 1460.35367) Full Text: DOI OpenURL
Bisai, Bappa; Pal, Sourav The fundamental operator tuples associated with the symmetrized polydisc. (English) Zbl 07319061 New York J. Math. 27, 349-362 (2021). MSC: 47A13 47A20 47A25 47A45 PDF BibTeX XML Cite \textit{B. Bisai} and \textit{S. Pal}, New York J. Math. 27, 349--362 (2021; Zbl 07319061) Full Text: Link OpenURL
Farenick, Douglas; Huntinghawk, Farrah; Masanika, Adili; Plosker, Sarah Complete order equivalence of spin unitaries. (English) Zbl 1458.15031 Linear Algebra Appl. 610, 1-28 (2021). MSC: 15A30 15B57 46L07 47A13 47A20 47L05 PDF BibTeX XML Cite \textit{D. Farenick} et al., Linear Algebra Appl. 610, 1--28 (2021; Zbl 1458.15031) Full Text: DOI OpenURL
Perfekt, Karl-Mikael Plasmonic eigenvalue problem for corners: limiting absorption principle and absolute continuity in the essential spectrum. (English. French summary) Zbl 1460.31006 J. Math. Pures Appl. (9) 145, 130-162 (2021). Reviewer: Marius Ghergu (Dublin) MSC: 31A10 45C05 45B05 PDF BibTeX XML Cite \textit{K.-M. Perfekt}, J. Math. Pures Appl. (9) 145, 130--162 (2021; Zbl 1460.31006) Full Text: DOI OpenURL
Cedzich, C.; Geib, T.; Werner, A. H.; Werner, R. F. Chiral Floquet systems and quantum walks at half-period. (English) Zbl 1456.81196 Ann. Henri Poincaré 22, No. 2, 375-413 (2021). MSC: 81Q35 82B41 82B20 47N50 47A53 81V70 81R05 PDF BibTeX XML Cite \textit{C. Cedzich} et al., Ann. Henri Poincaré 22, No. 2, 375--413 (2021; Zbl 1456.81196) Full Text: DOI OpenURL
Schulz-Baldes, Hermann; Stoiber, Tom The spectral localizer for semifinite spectral triples. (English) Zbl 1460.19007 Proc. Am. Math. Soc. 149, No. 1, 121-134 (2021). Reviewer: Takahiro Sudo (Nishihara) MSC: 19K56 46L80 46L87 46L57 46L60 47A53 47A10 47B47 81Q10 PDF BibTeX XML Cite \textit{H. Schulz-Baldes} and \textit{T. Stoiber}, Proc. Am. Math. Soc. 149, No. 1, 121--134 (2021; Zbl 1460.19007) Full Text: DOI OpenURL
Groenewald, G. J.; ter Horst, S.; Jaftha, J.; Ran, A. C. M. A Toeplitz-like operator with rational matrix symbol having poles on the unit circle: Fredholm properties. (English) Zbl 07300016 Complex Anal. Oper. Theory 15, No. 1, Paper No. 1, 28 p. (2021). MSC: 47B35 47A53 47A68 PDF BibTeX XML Cite \textit{G. J. Groenewald} et al., Complex Anal. Oper. Theory 15, No. 1, Paper No. 1, 28 p. (2021; Zbl 07300016) Full Text: DOI OpenURL
Chtourou, Ines; Krichen, Bilel Relative \(\varepsilon\)-pseudo weak demicompactness and measures of weak noncompactness. (English) Zbl 07296614 Ann. Funct. Anal. 12, No. 1, Paper No. 14, 21 p. (2021). MSC: 47A53 47A10 PDF BibTeX XML Cite \textit{I. Chtourou} and \textit{B. Krichen}, Ann. Funct. Anal. 12, No. 1, Paper No. 14, 21 p. (2021; Zbl 07296614) Full Text: DOI OpenURL
Peebles, Thomas; Stessin, Michael Spectral hypersurfaces for operator pairs and Hadamard matrices of \(F\) type. (English) Zbl 07286953 Adv. Oper. Theory 6, No. 1, Paper No. 13, 31 p. (2021). MSC: 47A25 47A13 47A75 47A15 14J70 PDF BibTeX XML Cite \textit{T. Peebles} and \textit{M. Stessin}, Adv. Oper. Theory 6, No. 1, Paper No. 13, 31 p. (2021; Zbl 07286953) Full Text: DOI OpenURL
Barraa, Mohamed; Benabdi, El Hassan; Boumazgour, Mohamed On the spectra of products and linear combinations of idempotents. (English) Zbl 07286943 Adv. Oper. Theory 6, No. 1, Paper No. 3, 8 p. (2021). MSC: 47A10 47A53 PDF BibTeX XML Cite \textit{M. Barraa} et al., Adv. Oper. Theory 6, No. 1, Paper No. 3, 8 p. (2021; Zbl 07286943) Full Text: DOI OpenURL
Efendiev, Messoud; Vougalter, Vitali Solvability in the sense of sequences for some fourth order non-Fredholm operators. (English) Zbl 1455.35075 J. Differ. Equations 271, 280-300 (2021). Reviewer: Miklavž Mastinšek (Maribor) MSC: 35J30 35P30 PDF BibTeX XML Cite \textit{M. Efendiev} and \textit{V. Vougalter}, J. Differ. Equations 271, 280--300 (2021; Zbl 1455.35075) Full Text: DOI OpenURL
Yan, Huihuang; Cao, Xiaohong; Jiang, Hu The judgement of \((\omega_1)\) property for operators and function calculus. (Chinese. English summary) Zbl 07366786 Math. Pract. Theory 50, No. 21, 246-252 (2020). MSC: 47A25 47A53 PDF BibTeX XML Cite \textit{H. Yan} et al., Math. Pract. Theory 50, No. 21, 246--252 (2020; Zbl 07366786) OpenURL
Wang, Jing; Cao, Xiaohong Weyl type theorem and hypercyclic property for bounded linear operators. (Chinese. English summary) Zbl 07366635 J. Univ. Sci. Technol. China 50, No. 4, 396-401 (2020). MSC: 47A53 47A16 47A10 47A25 PDF BibTeX XML Cite \textit{J. Wang} and \textit{X. Cao}, J. Univ. Sci. Technol. China 50, No. 4, 396--401 (2020; Zbl 07366635) Full Text: DOI OpenURL
Dong, Jiong; Cao, Xiaohong Closedness of ranges for operator matrices and its application. (Chinese. English summary) Zbl 07365891 Chin. Ann. Math., Ser. A 41, No. 4, 383-398 (2020). MSC: 47A05 47A53 PDF BibTeX XML Cite \textit{J. Dong} and \textit{X. Cao}, Chin. Ann. Math., Ser. A 41, No. 4, 383--398 (2020; Zbl 07365891) Full Text: DOI OpenURL
Zeng, Qingping; Yan, Kai; Wu, Zhenying Further results on common properties of the products \(ac\) and \(bd\). (English) Zbl 07358977 Glas. Mat., III. Ser. 55, No. 2, 267-276 (2020). MSC: 16U99 47A05 47A53 PDF BibTeX XML Cite \textit{Q. Zeng} et al., Glas. Mat., III. Ser. 55, No. 2, 267--276 (2020; Zbl 07358977) Full Text: DOI OpenURL
Aiena, Pietro; Aponte, Elvis; Guillén, Jesús R. The Zariouh’s property \((gaz)\) through localized SVEP. (English) Zbl 07349610 Mat. Vesn. 72, No. 4, 314-326 (2020). MSC: 47A10 47A11 47A53 47A55 PDF BibTeX XML Cite \textit{P. Aiena} et al., Mat. Vesn. 72, No. 4, 314--326 (2020; Zbl 07349610) Full Text: Link OpenURL
Chattopadhyay, Arup; Das, Soma; Pradhan, Chandan Almost invariant subspaces of the shift operator on vector-valued Hardy spaces. (English) Zbl 07346250 Integral Equations Oper. Theory 92, No. 6, Paper No. 52, 15 p. (2020). MSC: 47A13 47A15 47A80 46E20 47B38 47B32 30H10 PDF BibTeX XML Cite \textit{A. Chattopadhyay} et al., Integral Equations Oper. Theory 92, No. 6, Paper No. 52, 15 p. (2020; Zbl 07346250) Full Text: DOI OpenURL
Chen, Lihong; Su, Weigang Restrictions of bounded linear operators and their spectral properties. (Chinese. English summary) Zbl 07339251 J. Zhejiang Univ., Sci. Ed. 47, No. 6, 687-690, 704 (2020). MSC: 47A10 47A53 PDF BibTeX XML Cite \textit{L. Chen} and \textit{W. Su}, J. Zhejiang Univ., Sci. Ed. 47, No. 6, 687--690, 704 (2020; Zbl 07339251) Full Text: DOI OpenURL
Wang, Jing; Cao, Xiaohong The judgement of Weyl’s theorem for bounded linear operators. (Chinese. English summary) Zbl 07339244 J. Zhejiang Univ., Sci. Ed. 47, No. 5, 541-547, 553 (2020). MSC: 47A53 47A10 PDF BibTeX XML Cite \textit{J. Wang} and \textit{X. Cao}, J. Zhejiang Univ., Sci. Ed. 47, No. 5, 541--547, 553 (2020; Zbl 07339244) Full Text: DOI OpenURL
Fenggao, Huizi; Cao, Xiaohong Judgement of a-Weyl’s theorem for bounded linear operators. (Chinese. English summary) Zbl 07339009 J. Shandong Univ., Nat. Sci. 55, No. 10, 88-94, 103 (2020). MSC: 47A53 47A55 47A10 PDF BibTeX XML Cite \textit{H. Fenggao} and \textit{X. Cao}, J. Shandong Univ., Nat. Sci. 55, No. 10, 88--94, 103 (2020; Zbl 07339009) Full Text: DOI OpenURL
Jiang, Hu; Cao, Xiaohong Judgement of \((\omega)\) property for operators functional calculus. (Chinese. English summary) Zbl 07339008 J. Shandong Univ., Nat. Sci. 55, No. 10, 83-87 (2020). MSC: 47A53 47A55 47A10 PDF BibTeX XML Cite \textit{H. Jiang} and \textit{X. Cao}, J. Shandong Univ., Nat. Sci. 55, No. 10, 83--87 (2020; Zbl 07339008) Full Text: DOI OpenURL
Li, Zhiyuan; Cheng, Xing; Liu, Yikan Generic well-posedness for an inverse source problem for a multi-term time-fractional diffusion equation. (English) Zbl 1461.35236 Taiwanese J. Math. 24, No. 4, 1005-1020 (2020). MSC: 35R30 35R25 35R11 35K15 47A55 PDF BibTeX XML Cite \textit{Z. Li} et al., Taiwanese J. Math. 24, No. 4, 1005--1020 (2020; Zbl 1461.35236) Full Text: DOI Euclid OpenURL
Alsaedy, Ammar; Tarkhanov, Nikolai A degree theory for Lagrangian boundary value problems. (English) Zbl 07334066 J. Sib. Fed. Univ., Math. Phys. 13, No. 1, 5-25 (2020). MSC: 35Bxx 35Jxx 35Axx PDF BibTeX XML Cite \textit{A. Alsaedy} and \textit{N. Tarkhanov}, J. Sib. Fed. Univ., Math. Phys. 13, No. 1, 5--25 (2020; Zbl 07334066) Full Text: DOI MNR OpenURL
Gupta, Anuradha; Gupta, Bhawna Properties of \(k^{\text{th}}\)-order (slant Toeplitz + slant Hankel) operators on \(H^2(\mathbb{T})\). (English) Zbl 07333854 Commun. Korean Math. Soc. 35, No. 3, 855-866 (2020). MSC: 47B35 PDF BibTeX XML Cite \textit{A. Gupta} and \textit{B. Gupta}, Commun. Korean Math. Soc. 35, No. 3, 855--866 (2020; Zbl 07333854) Full Text: DOI OpenURL
Garbouj, Zied; Skhiri, Haïkel On a new class of operators related to quasi-Fredholm operators. (English) Zbl 07329571 Methods Funct. Anal. Topol. 26, No. 2, 141-166 (2020). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47A53 47A55 PDF BibTeX XML Cite \textit{Z. Garbouj} and \textit{H. Skhiri}, Methods Funct. Anal. Topol. 26, No. 2, 141--166 (2020; Zbl 07329571) Full Text: Link OpenURL
Vougalter, Vitali On the solvability of some systems of integro-differential equations with anomalous diffusion in two dimensions. (English) Zbl 1460.35087 Pure Appl. Funct. Anal. 5, No. 2, 489-503 (2020). MSC: 35J05 35R11 35A01 35P30 PDF BibTeX XML Cite \textit{V. Vougalter}, Pure Appl. Funct. Anal. 5, No. 2, 489--503 (2020; Zbl 1460.35087) Full Text: Link OpenURL
Benevieri, Pierluigi; Calamai, Alessandro; Furi, Massimo; Pera, Maria Patrizia Global persistence of the unit eigenvectors of perturbed eigenvalue problems in Hilbert spaces. (English) Zbl 07326800 Z. Anal. Anwend. 39, No. 4, 475-497 (2020). MSC: 47J10 47A75 PDF BibTeX XML Cite \textit{P. Benevieri} et al., Z. Anal. Anwend. 39, No. 4, 475--497 (2020; Zbl 07326800) Full Text: DOI OpenURL
Boumazgour, Mohamed; Chafai, Ezzeddine On the essential spectrum of the diagonal of an operator. (English) Zbl 07324427 Linear Multilinear Algebra 68, No. 7, 1302-1309 (2020). MSC: 47A10 47A53 47B47 PDF BibTeX XML Cite \textit{M. Boumazgour} and \textit{E. Chafai}, Linear Multilinear Algebra 68, No. 7, 1302--1309 (2020; Zbl 07324427) Full Text: DOI OpenURL
Hu, Zhangjian; Virtanen, Jani A. Fredholm Toeplitz operators with VMO symbols and the duality of generalized Fock spaces with small exponents. (English) Zbl 07316376 Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 6, 3163-3186 (2020). MSC: 47B35 32A37 PDF BibTeX XML Cite \textit{Z. Hu} and \textit{J. A. Virtanen}, Proc. R. Soc. Edinb., Sect. A, Math. 150, No. 6, 3163--3186 (2020; Zbl 07316376) Full Text: DOI OpenURL
Kadchenko, S. I.; Pursheva, A. V.; Ryazanova, L. S. Solution of inverse spectral problems for discrete semi-bounded operators given on geometric graphs. (Russian. English summary) Zbl 07312378 Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat. Model. Program. 13, No. 4, 19-32 (2020). MSC: 47A75 PDF BibTeX XML Cite \textit{S. I. Kadchenko} et al., Vestn. Yuzhno-Ural. Gos. Univ., Ser. Mat. Model. Program. 13, No. 4, 19--32 (2020; Zbl 07312378) Full Text: DOI MNR OpenURL