Kozma, László Exact exponential algorithms for two poset problems. (English) Zbl 07759298 Albers, Susanne (ed.), 17th Scandinavian symposium and workshops on algorithm theory, SWAT 2020, Tórshavn, Faroe Islands, June 22–24, 2020. Wadern: Schloss Dagstuhl – Leibniz Zentrum für Informatik. LIPIcs – Leibniz Int. Proc. Inform. 162, Article 30, 15 p. (2020). MSC: 68Wxx PDFBibTeX XMLCite \textit{L. Kozma}, LIPIcs -- Leibniz Int. Proc. Inform. 162, Article 30, 15 p. (2020; Zbl 07759298) Full Text: DOI arXiv
Jiménez-Garrido, J.; Sanz, J.; Schindl, Gerhard Sectorial extensions for ultraholomorphic classes defined by weight functions. (English) Zbl 1526.30049 Math. Nachr. 293, No. 11, 2140-2174 (2020). MSC: 30D60 26A12 30E05 46A13 46E10 PDFBibTeX XMLCite \textit{J. Jiménez-Garrido} et al., Math. Nachr. 293, No. 11, 2140--2174 (2020; Zbl 1526.30049) Full Text: DOI arXiv
Abadias, Luciano; Alvarez, Edgardo Fractional Cauchy problem with memory effects. (English) Zbl 1526.34057 Math. Nachr. 293, No. 10, 1846-1872 (2020). MSC: 34K37 34K30 26A33 45J05 47D06 34K25 PDFBibTeX XMLCite \textit{L. Abadias} and \textit{E. Alvarez}, Math. Nachr. 293, No. 10, 1846--1872 (2020; Zbl 1526.34057) Full Text: DOI
Tiwari, Rina Stability of cubic mappings in fuzzy normed spaces: a fixed point approach. (English) Zbl 1524.39058 Gaṇita 70, No. 1, 9-15 (2020). MSC: 39B82 39B52 46S40 26E50 46S50 PDFBibTeX XMLCite \textit{R. Tiwari}, Gaṇita 70, No. 1, 9--15 (2020; Zbl 1524.39058) Full Text: Link
Zohrehvand, Mosayeb IFP transformations on the cotangent bundle with the modified Riemannian extension. (English) Zbl 1524.53065 J. Finsler Geom. Appl. 1, No. 2, 27-38 (2020). MSC: 53C07 53C22 53B20 53B05 PDFBibTeX XMLCite \textit{M. Zohrehvand}, J. Finsler Geom. Appl. 1, No. 2, 27--38 (2020; Zbl 1524.53065) Full Text: DOI
Mikhailova, Liudmila; Khamdullin, Sergey Simultaneous detection and discrimination of subsequences which are nonlinearly extended elements of the given sequences alphabet in a quasiperiodic sequence. (English) Zbl 1506.92066 Olenev, Nicholas (ed.) et al., Optimization and applications. 11th international conference, OPTIMA 2020, Moscow, Russia, September 28 – October 2, 2020. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 12422, 209-223 (2020). MSC: 92D20 PDFBibTeX XMLCite \textit{L. Mikhailova} and \textit{S. Khamdullin}, Lect. Notes Comput. Sci. 12422, 209--223 (2020; Zbl 1506.92066) Full Text: DOI
Vahidi, Javad Approximation of functional equations in intuitionistic fuzzy \(C^\ast\)-algebras. (English) Zbl 1513.39063 Int. J. Nonlinear Anal. Appl. 11, Spec. Iss., 351-360 (2020). MSC: 39B52 39B82 46S40 PDFBibTeX XMLCite \textit{J. Vahidi}, Int. J. Nonlinear Anal. Appl. 11, 351--360 (2020; Zbl 1513.39063) Full Text: DOI
Bouyukliev, Iliya The program Generation in the software package QextNewEdition. (English) Zbl 1503.94006 Bigatti, Anna Maria (ed.) et al., Mathematical software – ICMS 2020. 7th international conference, Braunschweig, Germany, July 13–16, 2020. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 12097, 181-189 (2020). MSC: 94-04 94B05 94B15 PDFBibTeX XMLCite \textit{I. Bouyukliev}, Lect. Notes Comput. Sci. 12097, 181--189 (2020; Zbl 1503.94006) Full Text: DOI
An, Il Ju; Heo, Jaeseong Decomposability of Krein space operators. (English) Zbl 1498.47086 Filomat 34, No. 9, 3119-3129 (2020). MSC: 47B50 47A11 47A25 PDFBibTeX XMLCite \textit{I. J. An} and \textit{J. Heo}, Filomat 34, No. 9, 3119--3129 (2020; Zbl 1498.47086) Full Text: DOI
Dubeau, François On the characterization of polynomials and rational functions using divided differences. (English) Zbl 1499.39093 J. Class. Anal. 16, No. 2, 79-89 (2020). MSC: 39B22 41A05 47A57 42A15 PDFBibTeX XMLCite \textit{F. Dubeau}, J. Class. Anal. 16, No. 2, 79--89 (2020; Zbl 1499.39093) Full Text: DOI
Wang, Ruidong On isometric extension problem. (English) Zbl 1491.46001 Lecture Notes in Nonlinear Analysis 18. Toruń: Nicolaus Copernicus University, Juliusz Schauder Center for Nonlinear Studies (ISBN 977-2082-433-00-7). 406 p. (2020). Reviewer: Jan-David Hardtke (Leipzig) MSC: 46-02 46B04 46B20 PDFBibTeX XMLCite \textit{R. Wang}, On isometric extension problem. Toruń: Nicolaus Copernicus University, Juliusz Schauder Center for Nonlinear Studies (2020; Zbl 1491.46001)
Madadi, Masoumeh; Saadati, Reza; Park, Choonkil; Rassias, John Michael Stochastic Lie bracket (derivation, derivation) in MB-algebras. (English) Zbl 1487.47069 J. Inequal. Appl. 2020, Paper No. 141, 15 p. (2020). MSC: 47B80 47A63 39B72 39B82 PDFBibTeX XMLCite \textit{M. Madadi} et al., J. Inequal. Appl. 2020, Paper No. 141, 15 p. (2020; Zbl 1487.47069) Full Text: DOI
Le, Cong Trinh Tracial moment problems on hypercubes. (English) Zbl 1491.44006 Oper. Matrices 14, No. 4, 1015-1027 (2020). MSC: 44A60 30E05 13J30 47A57 11E25 PDFBibTeX XMLCite \textit{C. T. Le}, Oper. Matrices 14, No. 4, 1015--1027 (2020; Zbl 1491.44006) Full Text: DOI arXiv
Gutev, Valentin Selections and higher separation axioms. (English) Zbl 1479.54041 Quest. Answers Gen. Topology 38, No. 1, 1-42 (2020). MSC: 54C60 54C65 54-02 46A25 46B10 46C05 54C20 54C55 54D15 54F35 54F45 55P05 PDFBibTeX XMLCite \textit{V. Gutev}, Quest. Answers Gen. Topology 38, No. 1, 1--42 (2020; Zbl 1479.54041) Full Text: arXiv
Bruk, Vladislav M. Dissipative extensions of linear relations generated by integral equations with operator measures. (English) Zbl 1484.47007 J. Math. Phys. Anal. Geom. 16, No. 4, 381-401 (2020). MSC: 47A06 46G12 45N05 47B44 PDFBibTeX XMLCite \textit{V. M. Bruk}, J. Math. Phys. Anal. Geom. 16, No. 4, 381--401 (2020; Zbl 1484.47007) Full Text: Link
Bačák, Miroslav; Hertrich, Johannes; Neumayer, Sebastian; Steidl, Gabriele Minimal Lipschitz and \(\infty\)-harmonic extensions of vector-valued functions on finite graphs. (English) Zbl 1470.05064 Inf. Inference 9, No. 4, 935-959 (2020). MSC: 05C20 05C50 05C85 94A08 PDFBibTeX XMLCite \textit{M. Bačák} et al., Inf. Inference 9, No. 4, 935--959 (2020; Zbl 1470.05064) Full Text: DOI arXiv
Zivari-Kazempour, Abbas; Valaei, Mohammad On approximate mixed \(n\)-Jordan homomorphisms on Banach algebras. (English) Zbl 1476.39029 Honam Math. J. 42, No. 4, 757-768 (2020). Reviewer: Nacib Gurgel Albuquerque (João Pessoa) MSC: 39B52 39B82 47B48 46H05 PDFBibTeX XMLCite \textit{A. Zivari-Kazempour} and \textit{M. Valaei}, Honam Math. J. 42, No. 4, 757--768 (2020; Zbl 1476.39029) Full Text: DOI
Zhuo, Ciqiang; Hovemann, Marc; Sickel, Winfried Complex interpolation of Lizorkin-Triebel-Morrey spaces on domains. (English) Zbl 1478.46017 Anal. Geom. Metr. Spaces 8, 268-304 (2020). MSC: 46B70 46E35 46M35 PDFBibTeX XMLCite \textit{C. Zhuo} et al., Anal. Geom. Metr. Spaces 8, 268--304 (2020; Zbl 1478.46017) Full Text: DOI arXiv
Lefter, Cătălin-George; Melnig, Elena-Alexandra On the parabolic regularity, Sobolev embeddings and global Carleman estimates in \(L^q(L^p)\) spaces. (English) Zbl 1465.35090 Pure Appl. Funct. Anal. 5, No. 5, 1095-1113 (2020). MSC: 35B65 35B45 35K20 35K90 46E35 47A57 93B07 PDFBibTeX XMLCite \textit{C.-G. Lefter} and \textit{E.-A. Melnig}, Pure Appl. Funct. Anal. 5, No. 5, 1095--1113 (2020; Zbl 1465.35090) Full Text: Link
Goldblatt, Robert Definable operators on stable set lattices. (English) Zbl 1484.03131 Stud. Log. 108, No. 6, 1263-1280 (2020). MSC: 03G10 03B45 03B47 03B60 06B23 PDFBibTeX XMLCite \textit{R. Goldblatt}, Stud. Log. 108, No. 6, 1263--1280 (2020; Zbl 1484.03131) Full Text: DOI arXiv
Abdelali, Zine El Abidine On the local spectral properties of the left multiplication operators. (English) Zbl 07347989 Oper. Matrices 14, No. 2, 333-349 (2020). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47A11 47B01 46A22 47A56 47A68 PDFBibTeX XMLCite \textit{Z. E. A. Abdelali}, Oper. Matrices 14, No. 2, 333--349 (2020; Zbl 07347989) Full Text: DOI
Guliyev, Namig J. On extensions of symmetric operators. (English) Zbl 1496.47041 Oper. Matrices 14, No. 1, 71-75 (2020). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 47B25 PDFBibTeX XMLCite \textit{N. J. Guliyev}, Oper. Matrices 14, No. 1, 71--75 (2020; Zbl 1496.47041) Full Text: DOI arXiv
De Bernardi, Carlo Alberto On the extension of continuous quasiconvex functions. (English) Zbl 1465.26013 J. Optim. Theory Appl. 187, No. 2, 421-430 (2020). MSC: 26B25 46A99 PDFBibTeX XMLCite \textit{C. A. De Bernardi}, J. Optim. Theory Appl. 187, No. 2, 421--430 (2020; Zbl 1465.26013) Full Text: DOI
Gregorio, Federica; Mugnolo, Delio Higher-order operators on networks: hyperbolic and parabolic theory. (English) Zbl 1462.35425 Integral Equations Oper. Theory 92, No. 6, Paper No. 50, 22 p. (2020); corrigendum ibid. 92, No. 6, Paper No. 54, 1 p. (2020). MSC: 35R02 35K35 35L35 34B45 47D06 PDFBibTeX XMLCite \textit{F. Gregorio} and \textit{D. Mugnolo}, Integral Equations Oper. Theory 92, No. 6, Paper No. 50, 22 p. (2020; Zbl 1462.35425) Full Text: DOI arXiv
Juršėnas, Rytis On some extensions of the A-model. (English) Zbl 1521.47028 Opusc. Math. 40, No. 5, 569-597 (2020). Reviewer: Yuri I. Karlovich (Cuernavaca) MSC: 47A56 47B25 47B50 35P05 PDFBibTeX XMLCite \textit{R. Juršėnas}, Opusc. Math. 40, No. 5, 569--597 (2020; Zbl 1521.47028) Full Text: DOI arXiv
Blekherman, Grigoriy; Fialkow, Lawrence The core variety and representing measures in the truncated moment problem. (English) Zbl 07340495 J. Oper. Theory 84, No. 1, 185-209 (2020). MSC: 44A60 47A57 47A20 47N40 PDFBibTeX XMLCite \textit{G. Blekherman} and \textit{L. Fialkow}, J. Oper. Theory 84, No. 1, 185--209 (2020; Zbl 07340495) Full Text: arXiv
Fernández-Polo, Francisco J.; Jordá, Enrique; Peralta, Antonio M. Tingley’s problem for \(p\)-Schatten von Neumann classes. (English) Zbl 1472.46006 J. Spectr. Theory 10, No. 3, 809-841 (2020). MSC: 46B04 47B10 47L20 47B49 PDFBibTeX XMLCite \textit{F. J. Fernández-Polo} et al., J. Spectr. Theory 10, No. 3, 809--841 (2020; Zbl 1472.46006) Full Text: DOI arXiv
Foldes, Stephan Huffman coding and chains in partition lattices. (English) Zbl 1505.68012 Math. Appl., Brno 9, No. 2, 91-94 (2020). MSC: 68P30 06B05 PDFBibTeX XMLCite \textit{S. Foldes}, Math. Appl., Brno 9, No. 2, 91--94 (2020; Zbl 1505.68012) Full Text: DOI arXiv
Gergont, Agnieszka; Piasecki, Łukasz On isomorphic embeddings of \(c\) into \(L_1\)-preduals and some applications. (English) Zbl 1467.46006 J. Math. Anal. Appl. 492, No. 1, Article ID 124431, 11 p. (2020). Reviewer: Trond Arnold Abrahamsen (Kristiansand) MSC: 46B03 46B20 46B45 PDFBibTeX XMLCite \textit{A. Gergont} and \textit{Ł. Piasecki}, J. Math. Anal. Appl. 492, No. 1, Article ID 124431, 11 p. (2020; Zbl 1467.46006) Full Text: DOI
Fernández y Fernández-Arroyo, Fidel José The Hahn-Banach theorem: a proof of the equivalence between the analytic and geometric versions. (English) Zbl 1467.46003 Rend. Circ. Mat. Palermo (2) 69, No. 3, 911-916 (2020). Reviewer: Nacib Gurgel Albuquerque (João Pessoa) MSC: 46A22 46A03 46B99 PDFBibTeX XMLCite \textit{F. J. Fernández y Fernández-Arroyo}, Rend. Circ. Mat. Palermo (2) 69, No. 3, 911--916 (2020; Zbl 1467.46003) Full Text: DOI arXiv
Clouâtre, Raphaël; Timko, Edward J. Row contractions annihilated by interpolating vanishing ideals. (English) Zbl 1507.47017 Int. Math. Res. Not. 2020, No. 20, 6597-6665 (2020). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47A13 47A57 PDFBibTeX XMLCite \textit{R. Clouâtre} and \textit{E. J. Timko}, Int. Math. Res. Not. 2020, No. 20, 6597--6665 (2020; Zbl 1507.47017) Full Text: DOI arXiv
Junghenn, H. D. Amenability of representations and invariant Hahn-Banach theorems. (English) Zbl 1479.43002 J. Anal. 28, No. 4, 931-949 (2020). MSC: 43A07 28B05 43A05 43A60 47D03 43A65 46A22 PDFBibTeX XMLCite \textit{H. D. Junghenn}, J. Anal. 28, No. 4, 931--949 (2020; Zbl 1479.43002) Full Text: DOI
Derkach, Volodymyr; Hassi, Seppo; Malamud, Mark Generalized boundary triples. I: Some classes of isometric and unitary boundary pairs and realization problems for subclasses of Nevanlinna functions. (English) Zbl 1514.47006 Math. Nachr. 293, No. 7, 1278-1327 (2020). MSC: 47A10 47B25 47A20 47A48 47A56 47B32 PDFBibTeX XMLCite \textit{V. Derkach} et al., Math. Nachr. 293, No. 7, 1278--1327 (2020; Zbl 1514.47006) Full Text: DOI
Biyarov, Bazarkan Nuroldinovich; Svistunov, Dimitry Leonidovich; Abdrasheva, Gulnara Kaparovna Correct singular perturbations of the Laplace operator. (English) Zbl 1474.35067 Eurasian Math. J. 11, No. 4, 25-34 (2020). MSC: 35B25 47A55 PDFBibTeX XMLCite \textit{B. N. Biyarov} et al., Eurasian Math. J. 11, No. 4, 25--34 (2020; Zbl 1474.35067) Full Text: DOI arXiv MNR
Storozh, O. G. Maximal nonnegative and \(\theta \)-accretive extensions of a positive definite linear relation. (English) Zbl 1476.47005 Carpathian Math. Publ. 12, No. 2, 289-296 (2020). MSC: 47A06 47A56 47B25 PDFBibTeX XMLCite \textit{O. G. Storozh}, Carpathian Math. Publ. 12, No. 2, 289--296 (2020; Zbl 1476.47005) Full Text: DOI
Hassi, Seppo; de Snoo, H. S. V. A class of sectorial relations and the associated closed forms. (English) Zbl 1520.47006 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 493-514 (2020). Reviewer: Rosario Corso (Palermo) MSC: 47A06 47A07 47B12 47B44 47B65 PDFBibTeX XMLCite \textit{S. Hassi} and \textit{H. S. V. de Snoo}, Oper. Theory: Adv. Appl. 280, 493--514 (2020; Zbl 1520.47006) Full Text: DOI arXiv
Fritzsche, Bernd; Kirstein, Bernd; Mädler, Conrad A closer look at the solution set of the truncated matricial moment problem \(\mathsf{M}[ [\alpha,\infty); (s_{j})_{j=0}^{m}, \preccurlyeq]\). (English) Zbl 1467.44007 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 387-492 (2020). MSC: 44A60 47A57 30E05 PDFBibTeX XMLCite \textit{B. Fritzsche} et al., Oper. Theory: Adv. Appl. 280, 387--492 (2020; Zbl 1467.44007) Full Text: DOI
Dyukarev, Yu. M. On conditions of complete indeterminacy for the matricial Hamburger moment problem. (English) Zbl 1467.44006 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 327-353 (2020). MSC: 44A60 47A57 PDFBibTeX XMLCite \textit{Yu. M. Dyukarev}, Oper. Theory: Adv. Appl. 280, 327--353 (2020; Zbl 1467.44006) Full Text: DOI
Boiko, S. S.; Dubovoy, V. K. Regular extensions and defect functions of contractive measurable operator-valued functions. (English) Zbl 1520.47027 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 139-228 (2020). Reviewer: Pal Sourav (Mumbai) MSC: 47A48 47A40 47A56 47A20 PDFBibTeX XMLCite \textit{S. S. Boiko} and \textit{V. K. Dubovoy}, Oper. Theory: Adv. Appl. 280, 139--228 (2020; Zbl 1520.47027) Full Text: DOI
Ball, Joseph A.; Bolotnikov, Vladimir Interpolation by contractive multipliers between Fock spaces. (English) Zbl 1520.47032 Alpay, Daniel (ed.) et al., Complex function theory, operator theory, Schur analysis and systems theory. A volume in honor of V. E. Katsnelson. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 280, 79-138 (2020). Reviewer: Florian-Horia Vasilescu (Villeneuve d’Ascq) MSC: 47A57 47A48 47B32 47B50 32A05 47-02 PDFBibTeX XMLCite \textit{J. A. Ball} and \textit{V. Bolotnikov}, Oper. Theory: Adv. Appl. 280, 79--138 (2020; Zbl 1520.47032) Full Text: DOI
Rondoš, Jakub; Spurný, Jiří A characterization of simplicial spaces by an extension property. (English) Zbl 1458.46005 Bull. Pol. Acad. Sci., Math. 68, No. 1, 89-95 (2020). Reviewer: T.S.S.R.K. Rao (Bangalore) MSC: 46A55 PDFBibTeX XMLCite \textit{J. Rondoš} and \textit{J. Spurný}, Bull. Pol. Acad. Sci., Math. 68, No. 1, 89--95 (2020; Zbl 1458.46005) Full Text: DOI
Tarcsay, Zsigmond; Titkos, Tamás Operators on anti-dual pairs: self-adjoint extensions and the strong Parrott theorem. (English) Zbl 07303613 Can. Math. Bull. 63, No. 4, 813-824 (2020). MSC: 47A20 46A22 46A20 46K10 PDFBibTeX XMLCite \textit{Z. Tarcsay} and \textit{T. Titkos}, Can. Math. Bull. 63, No. 4, 813--824 (2020; Zbl 07303613) Full Text: DOI arXiv
Davidson, Kenneth R.; Shamovich, Eli Nevanlinna-Pick families and singular rational varieties. (English) Zbl 1507.47035 Curto, Raul E. (ed.) et al., Operator theory, operator algebras and their interactions with geometry and topology. Ronald G. Douglas memorial volume. Proceedings of the international workshop on operator theory and applications (IWOTA 2018), Shanghai, China, July 23–27, 2018. Cham: Birkhäuser. Oper. Theory: Adv. Appl. 278, 129-145 (2020). Reviewer: Mihai Putinar (Santa Barbara) MSC: 47A57 30E05 47A46 46E22 PDFBibTeX XMLCite \textit{K. R. Davidson} and \textit{E. Shamovich}, Oper. Theory: Adv. Appl. 278, 129--145 (2020; Zbl 1507.47035) Full Text: DOI arXiv
Bachir, Mohammed; Flores, Gonzalo Index of symmetry and topological classification of asymmetric normed spaces. (English) Zbl 1460.46073 Rocky Mt. J. Math. 50, No. 6, 1951-1964 (2020). Reviewer: Stefan Cobzaş (Cluj-Napoca) MSC: 46S99 46A22 46B20 54E52 PDFBibTeX XMLCite \textit{M. Bachir} and \textit{G. Flores}, Rocky Mt. J. Math. 50, No. 6, 1951--1964 (2020; Zbl 1460.46073) Full Text: DOI arXiv Euclid Link
Ghosh, Prasenjit; Roy, Sanjay; Samanta, T. K. Uniform boundedness principle and Hahn-Banach theorem for \(b\)-linear functional related to linear 2-normed space. (English) Zbl 1463.46039 South East Asian J. Math. Math. Sci. 16, No. 2, 131-150 (2020). MSC: 46B99 PDFBibTeX XMLCite \textit{P. Ghosh} et al., South East Asian J. Math. Math. Sci. 16, No. 2, 131--150 (2020; Zbl 1463.46039) Full Text: arXiv Link
Wu, Xiaohong; Huang, Junjie; Alatancang The SVEP of \(2 \times 2\) block operator matrices. (English) Zbl 1463.47037 Math. Pract. Theory 50, No. 11, 227-233 (2020). MSC: 47A20 47A10 PDFBibTeX XMLCite \textit{X. Wu} et al., Math. Pract. Theory 50, No. 11, 227--233 (2020; Zbl 1463.47037)
Fujimoto, Masayuki; Seo, Yuki Mixed Schwarz inequalities via the matrix geometric mean. (English) Zbl 1457.15019 Sci. Math. Jpn. 83, No. 1, 59-70 (2020). Reviewer: Tin Yau Tam (Reno) MSC: 15A45 47A63 47A64 PDFBibTeX XMLCite \textit{M. Fujimoto} and \textit{Y. Seo}, Sci. Math. Jpn. 83, No. 1, 59--70 (2020; Zbl 1457.15019)
Baias, Alina Ramona; Popa, Dorian On Ulam stability of a third order linear difference equation in Banach spaces. (English) Zbl 1454.39024 Aequationes Math. 94, No. 6, 1151-1170 (2020). MSC: 39A30 39A06 39B82 PDFBibTeX XMLCite \textit{A. R. Baias} and \textit{D. Popa}, Aequationes Math. 94, No. 6, 1151--1170 (2020; Zbl 1454.39024) Full Text: DOI
Semenov, E. M.; Sukochev, F. A.; Usachev, A. S. Geometry of Banach limits and their applications. (English. Russian original) Zbl 1464.46012 Russ. Math. Surv. 75, No. 4, 725-763 (2020); translation from Usp. Mat. Nauk 75, No. 4, 153-194 (2020). Reviewer: Jürgen Appell (Würzburg) MSC: 46B10 46B20 46B45 46A22 46L87 47L20 PDFBibTeX XMLCite \textit{E. M. Semenov} et al., Russ. Math. Surv. 75, No. 4, 725--763 (2020; Zbl 1464.46012); translation from Usp. Mat. Nauk 75, No. 4, 153--194 (2020) Full Text: DOI
Dyukarev, Yu. M. Entropy functionals and their extremal values for solving the Stieltjes matrix moment problem. (English) Zbl 1463.30170 Methods Funct. Anal. Topol. 26, No. 1, 27-38 (2020). Reviewer: Anatoly N. Kochubei (Kyïv) MSC: 30E05 44A60 47A57 PDFBibTeX XMLCite \textit{Yu. M. Dyukarev}, Methods Funct. Anal. Topol. 26, No. 1, 27--38 (2020; Zbl 1463.30170) Full Text: Link
Gildea, Joe; Kaya, Abidin; Yildiz, Bahattin New binary self-dual codes via a variation of the four-circulant construction. (English) Zbl 1471.94027 Math. Commun. 25, No. 2, 213-226 (2020). MSC: 94B05 15B33 PDFBibTeX XMLCite \textit{J. Gildea} et al., Math. Commun. 25, No. 2, 213--226 (2020; Zbl 1471.94027) Full Text: arXiv Link
Li, Chunji; Liang, Hongkai The flat extension of nonsingular Embry moment matrices \(E(3)\). (English) Zbl 07272980 Commun. Korean Math. Soc. 35, No. 1, 137-149 (2020). MSC: 47A57 44A60 15A57 47A20 PDFBibTeX XMLCite \textit{C. Li} and \textit{H. Liang}, Commun. Korean Math. Soc. 35, No. 1, 137--149 (2020; Zbl 07272980) Full Text: DOI
Ciepliński, Krzysztof On Ulam stability of a functional equation. (English) Zbl 1451.39024 Result. Math. 75, No. 4, Paper No. 151, 10 p. (2020). MSC: 39B82 39B52 39B72 PDFBibTeX XMLCite \textit{K. Ciepliński}, Result. Math. 75, No. 4, Paper No. 151, 10 p. (2020; Zbl 1451.39024) Full Text: DOI
Videnskii, I. V. An infinite product of extremal multipliers of a Hilbert space with Schwarz-Pick kernel. (English. Russian original) Zbl 1465.46027 J. Math. Sci., New York 251, No. 2, 207-214 (2020); translation from Zap. Nauchn. Semin. POMI 480, 73-85 (2019). MSC: 46E22 30E05 47A57 PDFBibTeX XMLCite \textit{I. V. Videnskii}, J. Math. Sci., New York 251, No. 2, 207--214 (2020; Zbl 1465.46027); translation from Zap. Nauchn. Semin. POMI 480, 73--85 (2019) Full Text: DOI
Möller, Jens-Henning Time-periodic solutions to the equations of magnetohydrodynamics with background magnetic field. (English) Zbl 1514.76120 Berlin: Logos Verlag; TU Darmstadt, Fachbereich Mathematik (Diss.) (ISBN 978-3-8325-5187-2/pbk). x, 131 p. (2020). MSC: 76W05 35Q35 35Q60 PDFBibTeX XMLCite \textit{J.-H. Möller}, Time-periodic solutions to the equations of magnetohydrodynamics with background magnetic field. Berlin: Logos Verlag; TU Darmstadt, Fachbereich Mathematik (Diss.) (2020; Zbl 1514.76120) Full Text: DOI
Zhao, Yingchun; Sun, Jiong; Yao, Siqin; Buren, Mandula The Friedrichs extension of Sturm-Liouville operators with an infinite number of interior discontinuous points. (Chinese. English summary) Zbl 1463.47038 Math. Pract. Theory 50, No. 6, 229-236 (2020). MSC: 47A20 47E05 34B24 PDFBibTeX XMLCite \textit{Y. Zhao} et al., Math. Pract. Theory 50, No. 6, 229--236 (2020; Zbl 1463.47038)
Niculescu, Constantin P.; Olteanu, Octav From the Hahn-Banach extension theorem to the isotonicity of convex functions and the majorization theory. (English) Zbl 07259102 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 171, 19 p. (2020). MSC: 47B65 47H07 28B15 46A22 PDFBibTeX XMLCite \textit{C. P. Niculescu} and \textit{O. Olteanu}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 114, No. 4, Paper No. 171, 19 p. (2020; Zbl 07259102) Full Text: DOI
Gaetz, Christian; Gao, Yibo Separable elements and splittings of Weyl groups. (English) Zbl 1448.05223 Adv. Math. 374, Article ID 107389, 28 p. (2020). MSC: 05E16 06A07 05A05 06A11 PDFBibTeX XMLCite \textit{C. Gaetz} and \textit{Y. Gao}, Adv. Math. 374, Article ID 107389, 28 p. (2020; Zbl 1448.05223) Full Text: DOI arXiv
Leonetti, P.; Schwaiger, J. The general linear equation on open connected sets. (English) Zbl 1463.39053 Acta Math. Hung. 161, No. 1, 201-211 (2020). Reviewer: Henrik Stetkær (Aarhus) MSC: 39B52 39B22 PDFBibTeX XMLCite \textit{P. Leonetti} and \textit{J. Schwaiger}, Acta Math. Hung. 161, No. 1, 201--211 (2020; Zbl 1463.39053) Full Text: DOI arXiv
Mallick, N.; Sumesh, K. On a generalization of Ando’s dilation theorem. (English) Zbl 1463.47036 Acta Sci. Math. 86, No. 1-2, 273-286 (2020). Reviewer: Ilie Valuşescu (Bucureşti) MSC: 47A20 PDFBibTeX XMLCite \textit{N. Mallick} and \textit{K. Sumesh}, Acta Sci. Math. 86, No. 1--2, 273--286 (2020; Zbl 1463.47036) Full Text: DOI arXiv
Tasoev, B. B. Optimal extension of positive order continuous operators with values in quasi-Banach lattices. (English. Russian original) Zbl 07253593 Sib. Math. J. 61, No. 5, 884-894 (2020); translation from Sib. Mat. Zh. 61, No. 5, 1108-1121 (2020). MSC: 47Axx 47Bxx 46Gxx PDFBibTeX XMLCite \textit{B. B. Tasoev}, Sib. Math. J. 61, No. 5, 884--894 (2020; Zbl 07253593); translation from Sib. Mat. Zh. 61, No. 5, 1108--1121 (2020) Full Text: DOI
Minabutdinov, A. R. Limiting curves for the dyadic odometer. (English. Russian original) Zbl 1459.37006 J. Math. Sci., New York 247, No. 5, 688-695 (2020); translation from Zap. Nauchn. Semin. POMI 481, 74-86 (2019). Reviewer: George Stoica (Saint John) MSC: 37A30 37A25 28D05 60G10 PDFBibTeX XMLCite \textit{A. R. Minabutdinov}, J. Math. Sci., New York 247, No. 5, 688--695 (2020; Zbl 1459.37006); translation from Zap. Nauchn. Semin. POMI 481, 74--86 (2019) Full Text: DOI
Mogilevskii, Vadim I. On compressions of self-adjoint extensions of a symmetric linear relation with unequal deficiency indices. (English. Ukrainian original) Zbl 07253486 J. Math. Sci., New York 246, No. 5, 671-686 (2020); translation from Ukr. Mat. Visn. 16, No. 4, 567-587 (2019). MSC: 47-XX PDFBibTeX XMLCite \textit{V. I. Mogilevskii}, J. Math. Sci., New York 246, No. 5, 671--686 (2020; Zbl 07253486); translation from Ukr. Mat. Visn. 16, No. 4, 567--587 (2019) Full Text: DOI
Mukhamedov, Farrukh; Khakimov, Otabek; Qaralleh, Izzat Classification of nilpotent evolution algebras and extensions of their derivations. (English) Zbl 1480.17010 Commun. Algebra 48, No. 10, 4155-4169 (2020). Reviewer: Richard Varro (Montpellier) MSC: 17A60 17A36 17D92 47B39 PDFBibTeX XMLCite \textit{F. Mukhamedov} et al., Commun. Algebra 48, No. 10, 4155--4169 (2020; Zbl 1480.17010) Full Text: DOI
Griso, Georges; Khilkova, Larysa; Orlik, Julia; Sivak, Olena Homogenization of perforated elastic structures. (English) Zbl 1450.35039 J. Elasticity 141, No. 2, 181-225 (2020). Reviewer: Adrian Muntean (Karlstad) MSC: 35B27 35J50 47H05 74B05 74K10 74K20 PDFBibTeX XMLCite \textit{G. Griso} et al., J. Elasticity 141, No. 2, 181--225 (2020; Zbl 1450.35039) Full Text: DOI
Dung, Nguyen Van; Hang, Vo Thi Le Solution to Kim-Rassias’s question on stability of generalized Euler-Lagrange quadratic functional equations in quasi-Banach spaces. (English) Zbl 1450.39020 Math. Methods Appl. Sci. 43, No. 5, 2709-2720 (2020). Reviewer: Mohammad Sal Moslehian (Mashhad) MSC: 39B82 39B52 46A16 PDFBibTeX XMLCite \textit{N. Van Dung} and \textit{V. T. Le Hang}, Math. Methods Appl. Sci. 43, No. 5, 2709--2720 (2020; Zbl 1450.39020) Full Text: DOI
Gaetz, Christian; Gao, Yibo Separable elements: linear extensions, graph associahedra, and splittings of Weyl groups. (English) Zbl 1447.05006 Sémin. Lothar. Comb. 84B, Article 7, 12 p. (2020). MSC: 05A05 05A20 52B05 06A07 06A11 20F55 14M15 PDFBibTeX XMLCite \textit{C. Gaetz} and \textit{Y. Gao}, Sémin. Lothar. Comb. 84B, Article 7, 12 p. (2020; Zbl 1447.05006) Full Text: Link
Khodaei, Hamid Asymptotic behavior of \(n\)-Jordan homomorphisms. (English) Zbl 1486.47068 Mediterr. J. Math. 17, No. 5, Paper No. 143, 9 p. (2020). Reviewer: Choonkil Park (Seoul) MSC: 47B48 39B82 39B52 46L05 PDFBibTeX XMLCite \textit{H. Khodaei}, Mediterr. J. Math. 17, No. 5, Paper No. 143, 9 p. (2020; Zbl 1486.47068) Full Text: DOI
Moslehian, Mohammad Sal Approximate \(n\)-idempotents and generalized Aluthge transform. (English) Zbl 1507.47030 Aequationes Math. 94, No. 5, 979-987 (2020). Reviewer: Jacek Chmieliński (Kraków) MSC: 47A55 39B82 47B15 PDFBibTeX XMLCite \textit{M. S. Moslehian}, Aequationes Math. 94, No. 5, 979--987 (2020; Zbl 1507.47030) Full Text: DOI
ter Horst, S.; Messerschmidt, M.; Ran, A. C. M. Equivalence after extension and Schur coupling for relatively regular operators. (English) Zbl 1501.47027 Integral Equations Oper. Theory 92, No. 5, Paper No. 40, 23 p. (2020). Reviewer: Oleksiy Karlovych (Lisboa) MSC: 47A62 47A53 47A08 47B01 PDFBibTeX XMLCite \textit{S. ter Horst} et al., Integral Equations Oper. Theory 92, No. 5, Paper No. 40, 23 p. (2020; Zbl 1501.47027) Full Text: DOI arXiv
Bîrsan, Mircea Closed-form Saint-Venant solutions in the Koiter theory of shells. (English) Zbl 1440.74203 J. Elasticity 140, No. 1, 149-169 (2020). MSC: 74K25 74G05 74B05 PDFBibTeX XMLCite \textit{M. Bîrsan}, J. Elasticity 140, No. 1, 149--169 (2020; Zbl 1440.74203) Full Text: DOI arXiv
Gelieva, A. A.; Kusraeva, Z. A. On dominated extension of linear operators. (English. Russian original) Zbl 1518.47068 Math. Notes 108, No. 2, 171-178 (2020); translation from Mat. Zametki 108, No. 2, 190-199 (2020). MSC: 47B60 46A22 PDFBibTeX XMLCite \textit{A. A. Gelieva} and \textit{Z. A. Kusraeva}, Math. Notes 108, No. 2, 171--178 (2020; Zbl 1518.47068); translation from Mat. Zametki 108, No. 2, 190--199 (2020) Full Text: DOI
Jenaliyev, Muvasharkhan; Imanberdiyev, Kanzharbek; Kassymbekova, Arnay; Sharipov, Kadyrbek Stabilization of solutions of two-dimensional parabolic equations and related spectral problems. (English) Zbl 1463.35282 Eurasian Math. J. 11, No. 1, 72-85 (2020). MSC: 35K05 39B82 47A75 PDFBibTeX XMLCite \textit{M. Jenaliyev} et al., Eurasian Math. J. 11, No. 1, 72--85 (2020; Zbl 1463.35282) Full Text: DOI MNR
Phochai, Theerayoot; Saejung, Satit Hyperstability of generalised linear functional equations in several variables. (English) Zbl 1447.39023 Bull. Aust. Math. Soc. 102, No. 2, 293-302 (2020). Reviewer: Eszter Gselmann (Debrecen) MSC: 39B82 39B52 39B62 PDFBibTeX XMLCite \textit{T. Phochai} and \textit{S. Saejung}, Bull. Aust. Math. Soc. 102, No. 2, 293--302 (2020; Zbl 1447.39023) Full Text: DOI
Fotue-Tabue, Alexandre; Martínez-Moro, Edgar; Blackford, J. Thomas On polycyclic codes over a finite chain ring. (English) Zbl 1472.94077 Adv. Math. Commun. 14, No. 3, 455-466 (2020). Reviewer: Joël Kabore (Ouagadougou) MSC: 94B05 13B02 PDFBibTeX XMLCite \textit{A. Fotue-Tabue} et al., Adv. Math. Commun. 14, No. 3, 455--466 (2020; Zbl 1472.94077) Full Text: DOI arXiv
Thanyacharoen, Anurak; Sintunavarat, Wutiphol The new investigation of the stability of mixed type additive-quartic functional equations in non-Archimedean spaces. (English) Zbl 1446.39024 Demonstr. Math. 53, 174-192 (2020). MSC: 39B52 39B55 39B82 47H10 46H25 PDFBibTeX XMLCite \textit{A. Thanyacharoen} and \textit{W. Sintunavarat}, Demonstr. Math. 53, 174--192 (2020; Zbl 1446.39024) Full Text: DOI
Frerick, Leonhard; Jordá, Enrique; Wengenroth, Jochen Extension operators for smooth functions on compact subsets of the reals. (English) Zbl 07238528 Math. Z. 295, No. 3-4, 1537-1552 (2020). MSC: 47A57 46E25 46A63 PDFBibTeX XMLCite \textit{L. Frerick} et al., Math. Z. 295, No. 3--4, 1537--1552 (2020; Zbl 07238528) Full Text: DOI arXiv
Jiménez-Garrido, Javier; Sanz, Javier; Schindl, Gerhard Ultraholomorphic extension theorems in the mixed setting. (English) Zbl 1446.30052 Banach J. Math. Anal. 14, No. 4, 1630-1669 (2020). MSC: 30D60 26E10 46A13 46E10 PDFBibTeX XMLCite \textit{J. Jiménez-Garrido} et al., Banach J. Math. Anal. 14, No. 4, 1630--1669 (2020; Zbl 1446.30052) Full Text: DOI arXiv
Câmara, M. Cristina; Kliś-Garlicka, Kamila; Łanucha, Bartosz; Ptak, Marek Invertibility, Fredholmness and kernels of dual truncated Toeplitz operators. (English) Zbl 1477.47024 Banach J. Math. Anal. 14, No. 4, 1558-1580 (2020). MSC: 47B35 47B32 30D20 PDFBibTeX XMLCite \textit{M. C. Câmara} et al., Banach J. Math. Anal. 14, No. 4, 1558--1580 (2020; Zbl 1477.47024) Full Text: DOI arXiv
Aiena, Pietro On the spectral mapping theorem for Weyl spectra of Toeplitz operators. (English) Zbl 1461.47010 Adv. Oper. Theory 5, No. 4, 1618-1634 (2020). MSC: 47B35 30H20 47A10 47A11 47A53 47A55 PDFBibTeX XMLCite \textit{P. Aiena}, Adv. Oper. Theory 5, No. 4, 1618--1634 (2020; Zbl 1461.47010) Full Text: DOI
Ólafsson, Gestur; Stanton, Robert J. Extensions of real bounded symmetric domains. (English) Zbl 1471.32029 J. Funct. Anal. 279, No. 8, Article ID 108709, 50 p. (2020). Reviewer: László Stachó (Szeged) MSC: 32M15 22E46 22E50 53C35 PDFBibTeX XMLCite \textit{G. Ólafsson} and \textit{R. J. Stanton}, J. Funct. Anal. 279, No. 8, Article ID 108709, 50 p. (2020; Zbl 1471.32029) Full Text: DOI arXiv
Kangas, Kustaa; Koivisto, Mikko; Salonen, Sami A faster tree-decomposition based algorithm for counting linear extensions. (English) Zbl 1452.68265 Algorithmica 82, No. 8, 2156-2173 (2020). MSC: 68W05 05C05 06A07 68W40 PDFBibTeX XMLCite \textit{K. Kangas} et al., Algorithmica 82, No. 8, 2156--2173 (2020; Zbl 1452.68265) Full Text: DOI
Li, Chunji; Qi, Wentao; Wang, Haiwen Backward extensions of Bergman-type weighted shift. (English) Zbl 1509.47042 Bull. Korean Math. Soc. 57, No. 1, 81-93 (2020). MSC: 47B37 47B20 PDFBibTeX XMLCite \textit{C. Li} et al., Bull. Korean Math. Soc. 57, No. 1, 81--93 (2020; Zbl 1509.47042) Full Text: DOI
Bouyuklieva, Stefka; Russeva, Radka; Karatash, Emine Binary isodual codes having an automorphism of odd prime order. (English) Zbl 1452.94110 Math. Comput. Sci. 14, No. 2, 423-429 (2020). MSC: 94B05 94B60 PDFBibTeX XMLCite \textit{S. Bouyuklieva} et al., Math. Comput. Sci. 14, No. 2, 423--429 (2020; Zbl 1452.94110) Full Text: DOI
Dijksma, Aad; Langer, Heinz W. Stenger’s and M. A. Nudelman’s results and resolvent formulas involving compressions. (English) Zbl 1481.47035 Adv. Oper. Theory 5, No. 3, 936-949 (2020). Reviewer: Bilender P. Allahverdiev (Isparta) MSC: 47B25 47A20 47A56 PDFBibTeX XMLCite \textit{A. Dijksma} and \textit{H. Langer}, Adv. Oper. Theory 5, No. 3, 936--949 (2020; Zbl 1481.47035) Full Text: DOI
Bhattacharyya, Tirthankar; Biswas, Anindya; Chandel, Vikramjeet Singh On the Nevanlinna problem: characterization of all Schur-Agler class solutions affiliated with a given kernel. (English) Zbl 1480.47020 Stud. Math. 255, No. 1, 83-107 (2020). Reviewer: Adhemar Bultheel (Leuven) MSC: 47A48 47A56 47A57 PDFBibTeX XMLCite \textit{T. Bhattacharyya} et al., Stud. Math. 255, No. 1, 83--107 (2020; Zbl 1480.47020) Full Text: DOI arXiv
Gupta, Rajeev; Misra, Gadadhar The Carathéodory-Fejér interpolation on the polydisc. (English) Zbl 1477.47013 Stud. Math. 254, No. 3, 265-293 (2020). MSC: 47A57 32E30 PDFBibTeX XMLCite \textit{R. Gupta} and \textit{G. Misra}, Stud. Math. 254, No. 3, 265--293 (2020; Zbl 1477.47013) Full Text: DOI
Hager, Anthony W.; Scowcroft, Philip Essential adjunction of a strong unit to an Archimedean lattice-ordered group. (English) Zbl 1481.06041 Algebra Univers. 81, No. 3, Paper No. 37, 17 p. (2020). MSC: 06F20 03E17 46A40 54C40 54D45 54G05 54H10 PDFBibTeX XMLCite \textit{A. W. Hager} and \textit{P. Scowcroft}, Algebra Univers. 81, No. 3, Paper No. 37, 17 p. (2020; Zbl 1481.06041) Full Text: DOI
Bourhim, Abdellatif; Mashreghi, Javad Recent progress on local spectrum-preserving maps. (English) Zbl 1460.47017 Bourhim, A. (ed.) et al., Linear and multilinear algebra and function spaces. International conference algebra and related topics (ICART 2018), Mohammed V University, Rabat, Morocco, July 2–5, 2018. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 750, 109-151 (2020). MSC: 47B49 47A10 47A11 47-02 PDFBibTeX XMLCite \textit{A. Bourhim} and \textit{J. Mashreghi}, Contemp. Math. 750, 109--151 (2020; Zbl 1460.47017) Full Text: DOI
Frymark, Dale Boundary triples and Weyl \(m\)-functions for powers of the Jacobi differential operator. (English) Zbl 1493.34080 J. Differ. Equations 269, No. 10, 7931-7974 (2020). Reviewer: Sven-Ake Wegner (Hamburg) MSC: 34B20 34B24 34L15 47B25 47E05 PDFBibTeX XMLCite \textit{D. Frymark}, J. Differ. Equations 269, No. 10, 7931--7974 (2020; Zbl 1493.34080) Full Text: DOI arXiv
Manov, A. D. Uniqueness of the continuation of a certain function to a positive definite function. (English. Russian original) Zbl 1442.42025 Math. Notes 107, No. 4, 639-652 (2020); translation from Mat. Zametki 107, No. 4, 575-590 (2020). MSC: 42A82 PDFBibTeX XMLCite \textit{A. D. Manov}, Math. Notes 107, No. 4, 639--652 (2020; Zbl 1442.42025); translation from Mat. Zametki 107, No. 4, 575--590 (2020) Full Text: DOI
Ilina, K. Yu.; Kusraeva, Z. A. Extension of positive operators. (English. Russian original) Zbl 1445.47031 Sib. Math. J. 61, No. 2, 261-265 (2020); translation from Sib. Mat. Zh. 61, No. 2, 330-336 (2020). Reviewer: S. S. Kutateladze (Novosibirsk) MSC: 47B65 46A40 46E05 PDFBibTeX XMLCite \textit{K. Yu. Ilina} and \textit{Z. A. Kusraeva}, Sib. Math. J. 61, No. 2, 261--265 (2020; Zbl 1445.47031); translation from Sib. Mat. Zh. 61, No. 2, 330--336 (2020) Full Text: DOI
Drago, Nicolò; Moretti, Valter The notion of observable and the moment problem for \(*\)-algebras and their GNS representations. (English) Zbl 1442.81047 Lett. Math. Phys. 110, No. 7, 1711-1758 (2020). MSC: 81T05 81R10 81S10 47B25 46L05 46L30 47A57 46G10 47N50 PDFBibTeX XMLCite \textit{N. Drago} and \textit{V. Moretti}, Lett. Math. Phys. 110, No. 7, 1711--1758 (2020; Zbl 1442.81047) Full Text: DOI arXiv
Knese, Greg A simple proof of necessity in the McCullough-Quiggin theorem. (English) Zbl 1452.46019 Proc. Am. Math. Soc. 148, No. 8, 3453-3456 (2020). Reviewer: Saeed Hashemi Sababe (Tehran) MSC: 46E22 47A57 PDFBibTeX XMLCite \textit{G. Knese}, Proc. Am. Math. Soc. 148, No. 8, 3453--3456 (2020; Zbl 1452.46019) Full Text: DOI arXiv
Frymark, Dale; Liaw, Constanze Properties and decompositions of domains for powers of the Jacobi differential operator. (English) Zbl 1506.47035 J. Math. Anal. Appl. 489, No. 1, Article ID 124155, 31 p. (2020). MSC: 47B25 47E05 34B24 34B20 PDFBibTeX XMLCite \textit{D. Frymark} and \textit{C. Liaw}, J. Math. Anal. Appl. 489, No. 1, Article ID 124155, 31 p. (2020; Zbl 1506.47035) Full Text: DOI arXiv
Frerick, Leonhard; Jakobs, Arne; Jordá, Enrique; Wengenroth, Jochen Whitney extension operators with arbitrary loss of differentiability. (English) Zbl 1498.58007 J. Math. Anal. Appl. 489, No. 1, Article ID 124142, 12 p. (2020). MSC: 58C25 26B05 46E10 54D30 PDFBibTeX XMLCite \textit{L. Frerick} et al., J. Math. Anal. Appl. 489, No. 1, Article ID 124142, 12 p. (2020; Zbl 1498.58007) Full Text: DOI
Guerrero, Julio Becerra The Mazur-Ulam property in \(\ell_\infty\)-sum and \(c_0\)-sum of strictly convex Banach spaces. (English) Zbl 1444.46008 J. Math. Anal. Appl. 489, No. 2, Article ID 124166, 12 p. (2020). Reviewer: T.S.S.R.K. Rao (Bangalore) MSC: 46B04 46B20 PDFBibTeX XMLCite \textit{J. B. Guerrero}, J. Math. Anal. Appl. 489, No. 2, Article ID 124166, 12 p. (2020; Zbl 1444.46008) Full Text: DOI arXiv
Baias, Alina Ramona; Popa, Dorian; Raşa, Ioan Ulam stability of a successive approximation equation. (English) Zbl 1443.39011 J. Fixed Point Theory Appl. 22, No. 2, Paper No. 41, 14 p. (2020). Reviewer: Vladimir Mityushev (Kraków) MSC: 39B12 39B82 39B52 47B39 PDFBibTeX XMLCite \textit{A. R. Baias} et al., J. Fixed Point Theory Appl. 22, No. 2, Paper No. 41, 14 p. (2020; Zbl 1443.39011) Full Text: DOI
Huang, De Generalizing Lieb’s concavity theorem via operator interpolation. (English) Zbl 1494.47019 Adv. Math. 369, Article ID 107208, 35 p. (2020). MSC: 47A57 47A63 15A42 15A16 15A75 PDFBibTeX XMLCite \textit{D. Huang}, Adv. Math. 369, Article ID 107208, 35 p. (2020; Zbl 1494.47019) Full Text: DOI arXiv Link
Behrndt, Jussi; Holzmann, Markus On Dirac operators with electrostatic \(\delta \)-shell interactions of critical strength. (English) Zbl 1437.35595 J. Spectr. Theory 10, No. 1, 147-184 (2020). MSC: 35Q40 35Q41 81Q10 81Q05 35P05 PDFBibTeX XMLCite \textit{J. Behrndt} and \textit{M. Holzmann}, J. Spectr. Theory 10, No. 1, 147--184 (2020; Zbl 1437.35595) Full Text: DOI arXiv