Yang, Peixing; Yang, Yuan; Yu, Jiang Up to second order Melnikov functions for general piecewise Hamiltonian systems with nonregular separation line. (English) Zbl 07332798 J. Differ. Equations 285, 583-606 (2021). MSC: 34C05 34C07 37G15 PDF BibTeX XML Cite \textit{P. Yang} et al., J. Differ. Equations 285, 583--606 (2021; Zbl 07332798) Full Text: DOI
Eremita, Daniel Biderivations and commuting linear maps on current Lie algebras. (English) Zbl 07332560 J. Lie Theory 31, No. 1, 119-126 (2021). MSC: 17B05 17B40 15A69 16R60 PDF BibTeX XML Cite \textit{D. Eremita}, J. Lie Theory 31, No. 1, 119--126 (2021; Zbl 07332560) Full Text: Link
Alfuraidan, Monther Rashed; Khamsi, Mohamed Amine Order uniform convexity in Banach spaces with an application. (English) Zbl 07332526 Proc. Am. Math. Soc. 149, No. 4, 1621-1630 (2021). MSC: 46B20 47H10 PDF BibTeX XML Cite \textit{M. R. Alfuraidan} and \textit{M. A. Khamsi}, Proc. Am. Math. Soc. 149, No. 4, 1621--1630 (2021; Zbl 07332526) Full Text: DOI
Falcó, Javier A group invariant Bishop-Phelps theorem. (English) Zbl 07332524 Proc. Am. Math. Soc. 149, No. 4, 1609-1612 (2021). MSC: 46B20 PDF BibTeX XML Cite \textit{J. Falcó}, Proc. Am. Math. Soc. 149, No. 4, 1609--1612 (2021; Zbl 07332524) Full Text: DOI
Avilés, Antonio; Troyanski, Stanimir Spaces \(C(K)\) with an equivalent URED norm. (English) Zbl 07332521 Proc. Am. Math. Soc. 149, No. 4, 1569-1579 (2021). MSC: 46B03 46B20 46B26 PDF BibTeX XML Cite \textit{A. Avilés} and \textit{S. Troyanski}, Proc. Am. Math. Soc. 149, No. 4, 1569--1579 (2021; Zbl 07332521) Full Text: DOI
Dantas, Sheldon; Jung, Mingu; Roldán, Óscar Norm-attaining operators which satisfy a Bollobás type theorem. (English) Zbl 07332202 Banach J. Math. Anal. 15, No. 2, Paper No. 40, 26 p. (2021). MSC: 46B20 46B04 46B25 PDF BibTeX XML Cite \textit{S. Dantas} et al., Banach J. Math. Anal. 15, No. 2, Paper No. 40, 26 p. (2021; Zbl 07332202) Full Text: DOI
Luo, Zhenghua; Zheng, Bentuo The strong and uniform ball-covering properties. (English) Zbl 07329666 J. Math. Anal. Appl. 499, No. 1, Article ID 125034, 15 p. (2021). MSC: 46B20 46B04 PDF BibTeX XML Cite \textit{Z. Luo} and \textit{B. Zheng}, J. Math. Anal. Appl. 499, No. 1, Article ID 125034, 15 p. (2021; Zbl 07329666) Full Text: DOI
Chen, Bowen; Gong, Wanzhong Uniformly normal structure and uniform non-squareness of Orlicz-Lorentz function spaces endowed with the Orlicz norm. (English) Zbl 07329470 Ann. Funct. Anal. 12, No. 2, Paper No. 36, 26 p. (2021). MSC: 46B20 46E30 PDF BibTeX XML Cite \textit{B. Chen} and \textit{W. Gong}, Ann. Funct. Anal. 12, No. 2, Paper No. 36, 26 p. (2021; Zbl 07329470) Full Text: DOI
Abac, Adrian G.; Esguerra, Jose Perico H.; Otadoy, Roland Emerito S. Modified structure equations and mass-radius relations of white dwarfs arising from the linear generalized uncertainty principle. (English) Zbl 07328558 Int. J. Mod. Phys. D 30, No. 1, Article ID 2150005, 21 p. (2021). MSC: 85A15 81S07 83C55 PDF BibTeX XML Cite \textit{A. G. Abac} et al., Int. J. Mod. Phys. D 30, No. 1, Article ID 2150005, 21 p. (2021; Zbl 07328558) Full Text: DOI
Abdou, Afrah A. N.; Khamsi, M. A. On modular firmly nonexpansive mappings in the variable exponent sequence spaces \(\ell_{p(\cdot)}\). (English) Zbl 07328298 J. Fixed Point Theory Appl. 23, No. 1, Paper No. 8, 8 p. (2021). MSC: 47H09 46B20 47H10 PDF BibTeX XML Cite \textit{A. A. N. Abdou} and \textit{M. A. Khamsi}, J. Fixed Point Theory Appl. 23, No. 1, Paper No. 8, 8 p. (2021; Zbl 07328298) Full Text: DOI
Zhirabok, A. N.; Shumsky, A. E.; Zuev, A. V. Fault diagnosis in linear systems via sliding mode observers. (English) Zbl 07325677 Int. J. Control 94, No. 2, 327-335 (2021). MSC: 93B12 93B53 93C05 PDF BibTeX XML Cite \textit{A. N. Zhirabok} et al., Int. J. Control 94, No. 2, 327--335 (2021; Zbl 07325677) Full Text: DOI
Kozlowski, Wojciech M. (Walter) On modular approximants in sequential convergence spaces. (English) Zbl 07324358 J. Approx. Theory 264, Article ID 105535, 14 p. (2021). MSC: 41A65 41A52 46B20 46A19 46A80 54A20 PDF BibTeX XML Cite \textit{W. M. Kozlowski}, J. Approx. Theory 264, Article ID 105535, 14 p. (2021; Zbl 07324358) Full Text: DOI
Kellerhals, Ruth Ideal uniform polyhedra in \(\mathbb{H}^n\) and covolumes of higher dimensional modular groups. (English) Zbl 07324291 Can. J. Math. 73, No. 2, 465-492 (2021). Reviewer: Victor V. Pambuccian (Glendale) MSC: 51M10 20F55 51M25 11F06 20G20 11M06 PDF BibTeX XML Cite \textit{R. Kellerhals}, Can. J. Math. 73, No. 2, 465--492 (2021; Zbl 07324291) Full Text: DOI
Contino, Maximiliano; Dritschel, Michael A.; Maestripieri, Alejandra; Marcantognini, Stefania Products of positive operators. (English) Zbl 07321686 Complex Anal. Oper. Theory 15, No. 2, Paper No. 38, 37 p. (2021). MSC: 47A05 47A65 PDF BibTeX XML Cite \textit{M. Contino} et al., Complex Anal. Oper. Theory 15, No. 2, Paper No. 38, 37 p. (2021; Zbl 07321686) Full Text: DOI
Langemets, Johann; López-Pérez, Ginés Bidual octahedral renormings and strong regularity in Banach spaces. (English) Zbl 07321575 J. Inst. Math. Jussieu 20, No. 2, 569-585 (2021). MSC: 46B03 46B20 46B22 PDF BibTeX XML Cite \textit{J. Langemets} and \textit{G. López-Pérez}, J. Inst. Math. Jussieu 20, No. 2, 569--585 (2021; Zbl 07321575) Full Text: DOI
Klüppelberg, Claudia; Krali, Mario Estimating an extreme Bayesian network via scalings. (English) Zbl 07321505 J. Multivariate Anal. 181, Article ID 104672, 23 p. (2021). MSC: 62H22 62R01 62G30 62G32 60G70 60F10 65S05 05C90 62P10 62P05 PDF BibTeX XML Cite \textit{C. Klüppelberg} and \textit{M. Krali}, J. Multivariate Anal. 181, Article ID 104672, 23 p. (2021; Zbl 07321505) Full Text: DOI
Morozov, V. M.; Baklanov, F. Yu. Practical methods to investigate observability of linear time-varying systems. (English. Russian original) Zbl 07320244 J. Math. Sci., New York 253, No. 6, 908-919 (2021); translation from Fundam. Prikl. Mat. 22, No. 2, 221-236 (2018). MSC: 93B10 93C05 93B05 93B07 PDF BibTeX XML Cite \textit{V. M. Morozov} and \textit{F. Yu. Baklanov}, J. Math. Sci., New York 253, No. 6, 908--919 (2021; Zbl 07320244); translation from Fundam. Prikl. Mat. 22, No. 2, 221--236 (2018) Full Text: DOI
Giné, Jaume; Llibre, Jaume A new sufficient condition in order that the real Jacobian conjecture in \(\mathbb{R}^2\) holds. (English) Zbl 07319417 J. Differ. Equations 281, 333-340 (2021). MSC: 14R15 35F05 35A30 37J25 37C15 37J20 34C05 70K05 PDF BibTeX XML Cite \textit{J. Giné} and \textit{J. Llibre}, J. Differ. Equations 281, 333--340 (2021; Zbl 07319417) Full Text: DOI
Huang, Zhonggan Homogenization of enhancing thin layers. (English) Zbl 07319399 J. Differ. Equations 282, 330-369 (2021). Reviewer: Adrian Muntean (Karlstad) MSC: 35B27 35J65 35J25 35B50 35B05 PDF BibTeX XML Cite \textit{Z. Huang}, J. Differ. Equations 282, 330--369 (2021; Zbl 07319399) Full Text: DOI
Soltani, Zeinab; Alikhani, Morteza A study of (\(wV)\)-like property on Banach spaces. (English) Zbl 07319328 Adv. Oper. Theory 6, No. 2, Paper No. 34, 16 p. (2021). MSC: 46B20 46B25 46B28 PDF BibTeX XML Cite \textit{Z. Soltani} and \textit{M. Alikhani}, Adv. Oper. Theory 6, No. 2, Paper No. 34, 16 p. (2021; Zbl 07319328) Full Text: DOI
Kimoto, Nobuya; Nakamura, Shigetaka; Komiya, Ken; Fujimoto, Kenzo; Kobayashi, Satoshi Reducing control alphabet size for the control of right linear grammars with unknown behaviors. (English) Zbl 07318718 Theor. Comput. Sci. 862, 193-213 (2021). MSC: 68Q PDF BibTeX XML Cite \textit{N. Kimoto} et al., Theor. Comput. Sci. 862, 193--213 (2021; Zbl 07318718) Full Text: DOI
Zhou, Yu; Zhang, Zihou; Liu, Chunyan Representation of surjective additive isometric embeddings between Hausdorff metric spaces of compact convex subsets in finite-dimensional Banach spaces. (English) Zbl 07317288 Stud. Math. 257, No. 1, 111-119 (2021). MSC: 46B04 46B20 PDF BibTeX XML Cite \textit{Y. Zhou} et al., Stud. Math. 257, No. 1, 111--119 (2021; Zbl 07317288) Full Text: DOI
Freire, Emilio; Ponce, Enrique; Torregrosa, Joan; Torres, Francisco Limit cycles from a monodromic infinity in planar piecewise linear systems. (English) Zbl 07316436 J. Math. Anal. Appl. 496, No. 2, Article ID 124818, 23 p. (2021). MSC: 34A36 34C05 34C23 PDF BibTeX XML Cite \textit{E. Freire} et al., J. Math. Anal. Appl. 496, No. 2, Article ID 124818, 23 p. (2021; Zbl 07316436) Full Text: DOI
Foucart, Simon Facilitating OWL norm minimizations. (English) Zbl 07315901 Optim. Lett. 15, No. 1, 263-269 (2021). MSC: 90C25 90C05 PDF BibTeX XML Cite \textit{S. Foucart}, Optim. Lett. 15, No. 1, 263--269 (2021; Zbl 07315901) Full Text: DOI
Valderrama, Freddy; Ruiz, Fredy Limited-complexity controller tuning: a set membership data-driven approach. (English) Zbl 07315780 Eur. J. Control 58, 82-89 (2021). MSC: 93B11 93C05 PDF BibTeX XML Cite \textit{F. Valderrama} and \textit{F. Ruiz}, Eur. J. Control 58, 82--89 (2021; Zbl 07315780) Full Text: DOI
Tanaka, Ryotaro Non-linear modular Birkhoff-James orthogonality preservers between spaces of continuous functions. (English) Zbl 07315634 J. Math. Anal. Appl. 495, No. 2, Article ID 124744, 21 p. (2021). MSC: 46B04 46B20 46B25 PDF BibTeX XML Cite \textit{R. Tanaka}, J. Math. Anal. Appl. 495, No. 2, Article ID 124744, 21 p. (2021; Zbl 07315634) Full Text: DOI
Lavrovsky, E. K. On quick action in the problem of controlling the vertical position of a pendulum by the movement of its base. (English. Russian original) Zbl 07314532 J. Comput. Syst. Sci. Int. 60, No. 1, 39-47 (2021); translation from Izv. Ross. Akad. Nauk, Teor. Sist. Upravl. 2021, No. 1, 42-51 (2021). MSC: 93C15 93B12 70Q05 49N10 PDF BibTeX XML Cite \textit{E. K. Lavrovsky}, J. Comput. Syst. Sci. Int. 60, No. 1, 39--47 (2021; Zbl 07314532); translation from Izv. Ross. Akad. Nauk, Teor. Sist. Upravl. 2021, No. 1, 42--51 (2021) Full Text: DOI
Wang, Yamin; Wang, Fenghui; Zhang, Haixia Strong convergence of viscosity forward-backward algorithm to the sum of two accretive operators in Banach space. (English) Zbl 07313463 Optimization 70, No. 1, 169-190 (2021). MSC: 46B20 46N10 47H09 PDF BibTeX XML Cite \textit{Y. Wang} et al., Optimization 70, No. 1, 169--190 (2021; Zbl 07313463) Full Text: DOI
Albiac, F.; Ansorena, J. L.; Dilworth, S. J.; Kutzarova, Denka A dichotomy for subsymmetric basic sequences with applications to Garling spaces. (English) Zbl 07313206 Trans. Am. Math. Soc. 374, No. 3, 2079-2106 (2021). MSC: 46B15 46B20 46B45 PDF BibTeX XML Cite \textit{F. Albiac} et al., Trans. Am. Math. Soc. 374, No. 3, 2079--2106 (2021; Zbl 07313206) Full Text: DOI
Amar, M.; de Bonis, I.; Riey, G. Corrigendum to: “Homogenization of elliptic problems involving interfaces and singular data”. (English) Zbl 07312798 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 203, Article ID 112192, 3 p. (2021). MSC: 35B27 35J65 35J75 35J25 35R05 PDF BibTeX XML Cite \textit{M. Amar} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 203, Article ID 112192, 3 p. (2021; Zbl 07312798) Full Text: DOI
Luo, Lvlin Dynamical classification for complex matrices. (English) Zbl 07312074 Ann. Funct. Anal. 12, No. 2, Paper No. 20, 18 p. (2021). MSC: 47A50 47A65 47A75 37B99 PDF BibTeX XML Cite \textit{L. Luo}, Ann. Funct. Anal. 12, No. 2, Paper No. 20, 18 p. (2021; Zbl 07312074) Full Text: DOI
Li, Xueliang; Li, Yiyang; Wang, Zhiqian Asymptotic values of four Laplacian-type energies for matrices with degree-distance-based entries of random graphs. (English) Zbl 07312068 Linear Algebra Appl. 612, 318-333 (2021). Reviewer: Yilun Shang (Newcastle) MSC: 05C50 05C80 15A18 15B52 05C92 05C09 92E10 PDF BibTeX XML Cite \textit{X. Li} et al., Linear Algebra Appl. 612, 318--333 (2021; Zbl 07312068) Full Text: DOI
Arrieta, Luis E.; Millano, Alfredo D.; Soto, Ricardo L. On spectra realizable and diagonalizably realizable. (English) Zbl 07312066 Linear Algebra Appl. 612, 273-288 (2021). MSC: 15A29 15A18 15A20 PDF BibTeX XML Cite \textit{L. E. Arrieta} et al., Linear Algebra Appl. 612, 273--288 (2021; Zbl 07312066) Full Text: DOI
Pinasco, Damián; Zalduendo, Ignacio Linear and bilinear operators and their zero-sets. (English) Zbl 07311765 Rev. Mat. Complut. 34, No. 1, 131-149 (2021). MSC: 46B20 47H60 PDF BibTeX XML Cite \textit{D. Pinasco} and \textit{I. Zalduendo}, Rev. Mat. Complut. 34, No. 1, 131--149 (2021; Zbl 07311765) Full Text: DOI
Zhou, Yu; Zhang, Zihou; Liu, Chunyan Hyers-Ulam stability of bijective \(\varepsilon\)-isometries between Hausdorff metric spaces of compact convex subsets. (English) Zbl 07310550 Aequationes Math. 95, No. 1, 1-12 (2021). MSC: 46B04 41A65 46B20 PDF BibTeX XML Cite \textit{Y. Zhou} et al., Aequationes Math. 95, No. 1, 1--12 (2021; Zbl 07310550) Full Text: DOI
Shekhawat, Shalini; Saxena, Akash; Kumar, Rajesh; Singh, Vinay Pratap Levy flight opposition embedded BAT algorithm for model order reduction. (English) Zbl 07310494 Dey, Nilanjan (ed.) et al., Applications of bat algorithm and its variants. Singapore: Springer (ISBN 978-981-15-5096-6/hbk; 978-981-15-5097-3/ebook). Springer Tracts in Nature-Inspired Computing, 103-118 (2021). MSC: 93B11 93C05 90C59 PDF BibTeX XML Cite \textit{S. Shekhawat} et al., in: Applications of bat algorithm and its variants. Singapore: Springer. 103--118 (2021; Zbl 07310494) Full Text: DOI
Zamani, Ali; Wójcik, Paweł Another generalization of the numerical radius for Hilbert space operators. (English) Zbl 07309792 Linear Algebra Appl. 609, 114-128 (2021). MSC: 47A12 47A30 47B10 46B20 46B03 PDF BibTeX XML Cite \textit{A. Zamani} and \textit{P. Wójcik}, Linear Algebra Appl. 609, 114--128 (2021; Zbl 07309792) Full Text: DOI
Sain, Debmalya; Mal, Arpita; Mandal, Kalidas; Paul, Kallol On uniform Bishop-Phelps-Bollobás type approximations of linear operators and preservation of geometric properties. (English) Zbl 07309690 J. Math. Anal. Appl. 494, No. 1, Article ID 124582, 22 p. (2021). MSC: 47A58 46B20 PDF BibTeX XML Cite \textit{D. Sain} et al., J. Math. Anal. Appl. 494, No. 1, Article ID 124582, 22 p. (2021; Zbl 07309690) Full Text: DOI
Margaris, Alexandros Almost bi-Lipschitz embeddings using covers of balls centred at the origin. (English) Zbl 07309676 J. Math. Anal. Appl. 494, No. 1, Article ID 124447, 13 p. (2021). MSC: 54C25 54F45 46B20 28A80 PDF BibTeX XML Cite \textit{A. Margaris}, J. Math. Anal. Appl. 494, No. 1, Article ID 124447, 13 p. (2021; Zbl 07309676) Full Text: DOI
Eskenazis, Alexandros On extremal sections of subspaces of \(L_p\). (English) Zbl 07308726 Discrete Comput. Geom. 65, No. 2, 489-509 (2021). MSC: 52A40 52A20 52A21 52A23 46B20 46B09 26B25 PDF BibTeX XML Cite \textit{A. Eskenazis}, Discrete Comput. Geom. 65, No. 2, 489--509 (2021; Zbl 07308726) Full Text: DOI
Yao, Liding A counterexample to \(C^k\)-regularity for the Newlander-Nirenberg theorem. (English) Zbl 07308532 Proc. Am. Math. Soc. 149, No. 3, 1111-1115 (2021). Reviewer: Dumitru Motreanu (Perpignan) MSC: 35J46 32Q60 35F05 PDF BibTeX XML Cite \textit{L. Yao}, Proc. Am. Math. Soc. 149, No. 3, 1111--1115 (2021; Zbl 07308532) Full Text: DOI
Haller, Rainis; Langemets, Johann; Lima, Vegard; Nadel, Rihhard; Rueda Zoca, Abraham On Daugavet indices of thickness. (English) Zbl 07306990 J. Funct. Anal. 280, No. 7, Article ID 108846, 22 p. (2021). MSC: 46B20 46B22 PDF BibTeX XML Cite \textit{R. Haller} et al., J. Funct. Anal. 280, No. 7, Article ID 108846, 22 p. (2021; Zbl 07306990) Full Text: DOI
Wu, Jiawei; Huang, Ling Global stabilization of linear systems subject to input saturation and time delays. (English) Zbl 1455.93146 J. Franklin Inst. 358, No. 1, 633-649 (2021). MSC: 93D05 93B10 93C05 93C43 PDF BibTeX XML Cite \textit{J. Wu} and \textit{L. Huang}, J. Franklin Inst. 358, No. 1, 633--649 (2021; Zbl 1455.93146) Full Text: DOI
Fu, Caifen; Tan, Wen Analysis and tuning of reduced-order active disturbance rejection control. (English) Zbl 1455.93016 J. Franklin Inst. 358, No. 1, 339-362 (2021). MSC: 93B11 93B35 93B53 PDF BibTeX XML Cite \textit{C. Fu} and \textit{W. Tan}, J. Franklin Inst. 358, No. 1, 339--362 (2021; Zbl 1455.93016) Full Text: DOI
Orlik, Julia; Panasenko, Grigory; Stavre, Ruxandra Asymptotic analysis of a viscous fluid layer separated by a thin stiff stratified elastic plate. (English) Zbl 07305511 Appl. Anal. 100, No. 3, 589-629 (2021). MSC: 35Q35 35C20 35B27 74K20 74F10 74B10 76D07 76M30 76M45 PDF BibTeX XML Cite \textit{J. Orlik} et al., Appl. Anal. 100, No. 3, 589--629 (2021; Zbl 07305511) Full Text: DOI
Martynov, O. M. Constants of strong uniqueness of minimal projections onto some n-dimensional subspaces of \(l_\infty^{2n} (n \geq 2)\). (English) Zbl 07303668 J. Approx. Theory 262, Article ID 105507, 8 p. (2021). MSC: 41A52 41A65 46B20 47B37 PDF BibTeX XML Cite \textit{O. M. Martynov}, J. Approx. Theory 262, Article ID 105507, 8 p. (2021; Zbl 07303668) Full Text: DOI
Benner, Peter; Goyal, Pawan Interpolation-based model order reduction for polynomial systems. (English) Zbl 07303439 SIAM J. Sci. Comput. 43, No. 1, A84-A108 (2021). MSC: 93B11 93C10 93C05 15A69 PDF BibTeX XML Cite \textit{P. Benner} and \textit{P. Goyal}, SIAM J. Sci. Comput. 43, No. 1, A84--A108 (2021; Zbl 07303439) Full Text: DOI
Becerra-Guerrero, Julio; Cueto-Avellaneda, María; Fernández-Polo, Francisco J.; Peralta, Antonio M. On the extension of isometries between the unit spheres of a \(\text{JBW}^{\ast}\)-triple and a Banach space. (English) Zbl 07302693 J. Inst. Math. Jussieu 20, No. 1, 277-303 (2021). MSC: 47B49 46A22 46B20 46B04 46A16 46E40 PDF BibTeX XML Cite \textit{J. Becerra-Guerrero} et al., J. Inst. Math. Jussieu 20, No. 1, 277--303 (2021; Zbl 07302693) Full Text: DOI
Golinskii, L.; Kadets, V. Modulus support functionals, Rajchman measures and peak functions. (English) Zbl 07302476 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 52, 11 p. (2021). MSC: 46B20 30D40 30H05 PDF BibTeX XML Cite \textit{L. Golinskii} and \textit{V. Kadets}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 52, 11 p. (2021; Zbl 07302476) Full Text: DOI
García-Pacheco, Francisco Javier Lineability of the set of supporting vectors. (English) Zbl 07302467 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 41, 32 p. (2021). Reviewer: John D. Dixon (Ottawa) MSC: 15A03 46B87 46B20 PDF BibTeX XML Cite \textit{F. J. García-Pacheco}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 41, 32 p. (2021; Zbl 07302467) Full Text: DOI
Kalenda, Ondřej F. K.; Peralta, Antonio M. Extension of isometries from the unit sphere of a rank-2 Cartan factor. (English) Zbl 07301477 Anal. Math. Phys. 11, No. 1, Paper No. 15, 25 p. (2021). MSC: 17C65 46A22 46B20 46B04 PDF BibTeX XML Cite \textit{O. F. K. Kalenda} and \textit{A. M. Peralta}, Anal. Math. Phys. 11, No. 1, Paper No. 15, 25 p. (2021; Zbl 07301477) Full Text: DOI
Gesztesy, Fritz Book review of: J. Behrndt et al., Boundary value problems, Weyl functions, and differential operators. (English) Zbl 07301377 Bull. Am. Math. Soc., New Ser. 58, No. 1, 129-136 (2021). MSC: 00A17 47-02 47Axx 47Bxx 47E05 47Fxx 34Bxx 34Lxx 35Pxx 93Bxx PDF BibTeX XML Cite \textit{F. Gesztesy}, Bull. Am. Math. Soc., New Ser. 58, No. 1, 129--136 (2021; Zbl 07301377) Full Text: DOI Link
Girouard, Alexandre; Henrot, Antoine; Lagacé, Jean From Steklov to Neumann via homogenisation. (English) Zbl 07300727 Arch. Ration. Mech. Anal. 239, No. 2, 981-1023 (2021). Reviewer: Adrian Muntean (Karlstad) MSC: 35B27 35P05 35J25 PDF BibTeX XML Cite \textit{A. Girouard} et al., Arch. Ration. Mech. Anal. 239, No. 2, 981--1023 (2021; Zbl 07300727) Full Text: DOI
Aliaga, Ramón J.; Petitjean, Colin; Procházka, Antonín Embeddings of Lipschitz-free spaces into \(\ell_1\). (English) Zbl 07298642 J. Funct. Anal. 280, No. 6, Article ID 108916, 27 p. (2021). MSC: 46B20 05C05 46B25 54C25 PDF BibTeX XML Cite \textit{R. J. Aliaga} et al., J. Funct. Anal. 280, No. 6, Article ID 108916, 27 p. (2021; Zbl 07298642) Full Text: DOI
Domínguez Benavides, T.; Japón, M. A. Fixed point properties and reflexivity in variable Lebesgue spaces. (English) Zbl 07298636 J. Funct. Anal. 280, No. 6, Article ID 108896, 23 p. (2021). Reviewer: Barry Turett (Rochester) MSC: 46B20 46E30 47H09 47H10 PDF BibTeX XML Cite \textit{T. Domínguez Benavides} and \textit{M. A. Japón}, J. Funct. Anal. 280, No. 6, Article ID 108896, 23 p. (2021; Zbl 07298636) Full Text: DOI
Haller, Rainis; Pirk, Katriin; Veeorg, Triinu Daugavet- and Delta-points in absolute sums of Banach spaces. (English) Zbl 07297372 J. Convex Anal. 28, No. 1, 41-54 (2021). Reviewer: Trond Arnold Abrahamsen (Kristiansand) MSC: 46B04 46B20 PDF BibTeX XML Cite \textit{R. Haller} et al., J. Convex Anal. 28, No. 1, 41--54 (2021; Zbl 07297372) Full Text: Link
Dehaj, Abdessamad; Guessous, Mohamed Permutation-invariance in Komlós’ theorem for Hilbert-space valued random variables. (English) Zbl 07297360 J. Convex Anal. 28, No. 1, 197-202 (2021). MSC: 60 28A20 46B20 PDF BibTeX XML Cite \textit{A. Dehaj} and \textit{M. Guessous}, J. Convex Anal. 28, No. 1, 197--202 (2021; Zbl 07297360) Full Text: Link
Shang, Shaoqiang; Cui, Yunan Almost convexity and continuous selections of the set-valued metric generalized inverse in Banach spaces. (English) Zbl 07296630 Banach J. Math. Anal. 15, No. 1, Paper No. 11, 21 p. (2021). MSC: 47H04 46B20 PDF BibTeX XML Cite \textit{S. Shang} and \textit{Y. Cui}, Banach J. Math. Anal. 15, No. 1, Paper No. 11, 21 p. (2021; Zbl 07296630) Full Text: DOI
Sen, Jeet; Sain, Debmalya; Paul, Kallol Orthogonality and norm attainment of operators in semi-Hilbertian spaces. (English) Zbl 07296617 Ann. Funct. Anal. 12, No. 1, Paper No. 17, 12 p. (2021). MSC: 47C05 47L05 46B03 47A30 47B65 PDF BibTeX XML Cite \textit{J. Sen} et al., Ann. Funct. Anal. 12, No. 1, Paper No. 17, 12 p. (2021; Zbl 07296617) Full Text: DOI
Tan, Dongni; Gao, Yueli Phase-isometries on the unit sphere of \(C(K)\). (English) Zbl 07296615 Ann. Funct. Anal. 12, No. 1, Paper No. 15, 14 p. (2021). MSC: 46B04 46B20 PDF BibTeX XML Cite \textit{D. Tan} and \textit{Y. Gao}, Ann. Funct. Anal. 12, No. 1, Paper No. 15, 14 p. (2021; Zbl 07296615) Full Text: DOI
Ghenciu, Ioana Weakly \(p\)-Dunford Pettis sets in \(L_1(\mu,X)\). (English) Zbl 07296608 Ann. Funct. Anal. 12, No. 1, Paper No. 8, 14 p. (2021). MSC: 46B20 46B25 46B28 PDF BibTeX XML Cite \textit{I. Ghenciu}, Ann. Funct. Anal. 12, No. 1, Paper No. 8, 14 p. (2021; Zbl 07296608) Full Text: DOI
Jing, Wenjia Layer potentials for Lamé systems and homogenization of perforated elastic medium with clamped holes. (English) Zbl 07294621 Calc. Var. Partial Differ. Equ. 60, No. 1, Paper No. 2, 31 p. (2021). Reviewer: Adrian Muntean (Karlstad) MSC: 35B27 35J08 74B05 74Q15 35J57 PDF BibTeX XML Cite \textit{W. Jing}, Calc. Var. Partial Differ. Equ. 60, No. 1, Paper No. 2, 31 p. (2021; Zbl 07294621) Full Text: DOI
Dilworth, S.; Garrigós, G.; Hernández, E.; Kutzarova, D.; Temlyakov, V. Lebesgue-type inequalities in greedy approximation. (English) Zbl 07290154 J. Funct. Anal. 280, No. 5, Article ID 108885, 38 p. (2021). Reviewer: Stefan Cobzaş (Cluj-Napoca) MSC: 41A65 41A25 41A46 46B15 46B20 65D15 PDF BibTeX XML Cite \textit{S. Dilworth} et al., J. Funct. Anal. 280, No. 5, Article ID 108885, 38 p. (2021; Zbl 07290154) Full Text: DOI
Liang, Haihua; Li, Shimin; Zhang, Xiang Limit cycles and global dynamics of planar piecewise linear refracting systems of focus-focus type. (English) Zbl 07284920 Nonlinear Anal., Real World Appl. 58, Article ID 103228, 15 p. (2021). MSC: 34A36 34C07 34C05 PDF BibTeX XML Cite \textit{H. Liang} et al., Nonlinear Anal., Real World Appl. 58, Article ID 103228, 15 p. (2021; Zbl 07284920) Full Text: DOI
Zelmanov, Efim; Zhang, Zezhou Finite presentability of universal central extensions of \(\mathfrak{sl}_n(R)\). (English) Zbl 07282588 J. Algebra 567, 11-36 (2021). Reviewer: Dmitry Artamonov (Moskva) MSC: 17B45 17B05 PDF BibTeX XML Cite \textit{E. Zelmanov} and \textit{Z. Zhang}, J. Algebra 567, 11--36 (2021; Zbl 07282588) Full Text: DOI
Dantas, Sheldon; Martínez-Cervantes, Gonzalo; Rodríguez Abellán, José David; Rueda Zoca, Abraham Octahedral norms in free Banach lattices. (English) Zbl 07273575 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 1, Paper No. 6, 19 p. (2021). Reviewer: Johann Langemets (Tartu) MSC: 46B04 46B20 46B42 PDF BibTeX XML Cite \textit{S. Dantas} et al., Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 1, Paper No. 6, 19 p. (2021; Zbl 07273575) Full Text: DOI
Fernández-Polo, Francisco J.; Jordá, Enrique; Peralta, Antonio M. Tingley’s problem for \(p\)-Schatten von Neumann classes. (English) Zbl 07332245 J. Spectr. Theory 10, No. 3, 809-841 (2020). MSC: 46B04 47B49 46A22 46B20 46A16 46E40 PDF BibTeX XML Cite \textit{F. J. Fernández-Polo} et al., J. Spectr. Theory 10, No. 3, 809--841 (2020; Zbl 07332245) Full Text: DOI
Cheng, Yen-Jen; Fu, Hung-Lin; Liu, Chia-An The integer \(\{k\}\)-domination number of circulant graphs. (English) Zbl 07332149 Discrete Math. Algorithms Appl. 12, No. 4, Article ID 2050055, 9 p. (2020). MSC: 05C69 11A05 PDF BibTeX XML Cite \textit{Y.-J. Cheng} et al., Discrete Math. Algorithms Appl. 12, No. 4, Article ID 2050055, 9 p. (2020; Zbl 07332149) Full Text: DOI
Pirali, R.; Momeni, M. Operators reversing b-Birkhoff orthogonality in 2-normed linear spaces. (English) Zbl 07329796 J. Linear Topol. Algebra 9, No. 4, 291-299 (2020). MSC: 46B20 PDF BibTeX XML Cite \textit{R. Pirali} and \textit{M. Momeni}, J. Linear Topol. Algebra 9, No. 4, 291--299 (2020; Zbl 07329796) Full Text: Link
Cheng, Lixin; Fang, Quanqing; Kato, Mikio; Sun, Longfa Classification of \(\varepsilon\)-isometries by stability. (English) Zbl 07326966 Pure Appl. Funct. Anal. 5, No. 3, 555-577 (2020). MSC: 46B04 46B20 47A58 46A20 PDF BibTeX XML Cite \textit{L. Cheng} et al., Pure Appl. Funct. Anal. 5, No. 3, 555--577 (2020; Zbl 07326966) Full Text: Link
Scherer, Marcel Essential spherical isometries. (English) Zbl 07326507 Acta Sci. Math. 86, No. 3-4, 667-670 (2020). MSC: 47L05 46B20 PDF BibTeX XML Cite \textit{M. Scherer}, Acta Sci. Math. 86, No. 3--4, 667--670 (2020; Zbl 07326507) Full Text: DOI
Khurana, Divya; Roy, Saikat; Sain, Debmalya Symmetric points in spaces of linear operators between Banach spaces. (English) Zbl 07326506 Acta Sci. Math. 86, No. 3-4, 617-634 (2020). MSC: 47L05 46B20 PDF BibTeX XML Cite \textit{D. Khurana} et al., Acta Sci. Math. 86, No. 3--4, 617--634 (2020; Zbl 07326506) Full Text: DOI
Kérchy, László Pluquasisimilar Hilbert space operators. (English) Zbl 07326502 Acta Sci. Math. 86, No. 3-4, 503-520 (2020). MSC: 47A15 47A45 47A65 47B20 PDF BibTeX XML Cite \textit{L. Kérchy}, Acta Sci. Math. 86, No. 3--4, 503--520 (2020; Zbl 07326502) Full Text: DOI
Chattopadhyay, Arup; Sain, Debmalya; Senapati, Tanusri A study of non-positive operators between real normed linear spaces. (English) Zbl 07326499 Acta Sci. Math. 86, No. 3-4, 449-466 (2020). MSC: 47L05 46B20 PDF BibTeX XML Cite \textit{A. Chattopadhyay} et al., Acta Sci. Math. 86, No. 3--4, 449--466 (2020; Zbl 07326499) Full Text: DOI
Hardtke, Jan-David On certain geometric properties in Banach spaces of vector-valued functions. (English) Zbl 07323327 J. Math. Phys. Anal. Geom. 16, No. 2, 119-137 (2020). MSC: 46B20 46E40 PDF BibTeX XML Cite \textit{J.-D. Hardtke}, J. Math. Phys. Anal. Geom. 16, No. 2, 119--137 (2020; Zbl 07323327) Full Text: DOI
Gergont, Agnieszka; Piasecki, Łukasz On isomorphic embeddings of \(c\) into \(L_1\)-preduals and some applications. (English) Zbl 07322810 J. Math. Anal. Appl. 492, No. 1, Article ID 124431, 11 p. (2020). MSC: 46B03 46B20 46B45 PDF BibTeX XML Cite \textit{A. Gergont} and \textit{Ł. Piasecki}, J. Math. Anal. Appl. 492, No. 1, Article ID 124431, 11 p. (2020; Zbl 07322810) Full Text: DOI
Ghenciu, Ioana On some classes of Dunford-Pettis-like operators. (English) Zbl 07321722 Rend. Circ. Mat. Palermo (2) 69, No. 3, 1149-1163 (2020). MSC: 46B20 46B25 46B28 PDF BibTeX XML Cite \textit{I. Ghenciu}, Rend. Circ. Mat. Palermo (2) 69, No. 3, 1149--1163 (2020; Zbl 07321722) Full Text: DOI
Aliaga, Ramón J.; Pernecká, Eva Supports and extreme points in Lipschitz-free spaces. (English) Zbl 07318509 Rev. Mat. Iberoam. 36, No. 7, 2073-2089 (2020). MSC: 46B20 54E50 PDF BibTeX XML Cite \textit{R. J. Aliaga} and \textit{E. Pernecká}, Rev. Mat. Iberoam. 36, No. 7, 2073--2089 (2020; Zbl 07318509) Full Text: DOI
Fallahi, K.; Soleimani Rad, G. The Banach type contraction for mappings on algebraic cone metric spaces associated with an algebraic distance and endowed with a graph. (English) Zbl 1455.46004 Iran. J. Math. Sci. Inform. 15, No. 1, 41-52 (2020). MSC: 46A19 54H25 54E40 05C20 PDF BibTeX XML Cite \textit{K. Fallahi} and \textit{G. Soleimani Rad}, Iran. J. Math. Sci. Inform. 15, No. 1, 41--52 (2020; Zbl 1455.46004) Full Text: Link
Gabeleh, M.; Moshokoa, S. P.; Olela Otafudu, O. Approximate best proximity point sequences for \(C^*_\lambda\) mappings in strictly convex Banach spaces. (English) Zbl 07311986 Quaest. Math. 43, No. 12, 1791-1807 (2020). MSC: 47H10 47H09 46B20 PDF BibTeX XML Cite \textit{M. Gabeleh} et al., Quaest. Math. 43, No. 12, 1791--1807 (2020; Zbl 07311986) Full Text: DOI
Shimura, Kazuki; Yoshikawa, Shuji Error estimate for structure-preserving finite difference schemes of the one-dimensional Cahn-Hilliard system coupled with viscoelasticity. (English) Zbl 1455.65140 RIMS Kôkyûroku Bessatsu B82, 159-175 (2020). MSC: 65M06 35K60 65M12 65M15 PDF BibTeX XML Cite \textit{K. Shimura} and \textit{S. Yoshikawa}, RIMS Kôkyûroku Bessatsu B82, 159--175 (2020; Zbl 1455.65140) Full Text: Link
Taranenko, Anna A. Algebraic properties of perfect structures. (English) Zbl 07309728 Linear Algebra Appl. 607, 286-306 (2020). MSC: 05C50 05C76 05C70 05C15 15A18 PDF BibTeX XML Cite \textit{A. A. Taranenko}, Linear Algebra Appl. 607, 286--306 (2020; Zbl 07309728) Full Text: DOI
Pawlas, Piotr; Szynal, Dominik On a characterization of exponential, Pearson and Pareto distributions via covariance and pseudo-covariance. (English) Zbl 07309419 Demonstr. Math. 53, 285-291 (2020). MSC: 62E10 62E15 62G30 60E05 PDF BibTeX XML Cite \textit{P. Pawlas} and \textit{D. Szynal}, Demonstr. Math. 53, 285--291 (2020; Zbl 07309419) Full Text: DOI
Kim, Sung Guen Extreme and exposed points of \(\mathcal{L}(^nl^2_\infty)\) and \(\mathcal{L}_s(^nl^2_\infty)\). (English) Zbl 07309327 Extr. Math. 35, No. 2, 127-135 (2020). MSC: 46G25 46B20 PDF BibTeX XML Cite \textit{S. G. Kim}, Extr. Math. 35, No. 2, 127--135 (2020; Zbl 07309327) Full Text: DOI
Nelson, Jelani Dimensionality reduction in Euclidean space. (English) Zbl 07308949 Notices Am. Math. Soc. 67, No. 10, 1498-1507 (2020). MSC: 62R20 62E10 60B11 PDF BibTeX XML Cite \textit{J. Nelson}, Notices Am. Math. Soc. 67, No. 10, 1498--1507 (2020; Zbl 07308949) Full Text: DOI
Capoferri, Matteo; Saveliev, Nikolai; Vassiliev, Dmitri Classification of first order sesquilinear forms. (English) Zbl 07305685 Rev. Math. Phys. 32, No. 9, Article ID 2050027, 28 p. (2020). MSC: 35F35 35L40 35R01 47A07 53C27 PDF BibTeX XML Cite \textit{M. Capoferri} et al., Rev. Math. Phys. 32, No. 9, Article ID 2050027, 28 p. (2020; Zbl 07305685) Full Text: DOI
Gómez, Delfina; Nazarov, Sergei A.; Pérez-Martínez, María-Eugenia Asymptotics for spectral problems with rapidly alternating boundary conditions on a strainer Winkler foundation. (English) Zbl 07305651 J. Elasticity 142, No. 1, 89-120 (2020). MSC: 35B27 74B05 74Q20 35P05 35B25 35J25 35P15 PDF BibTeX XML Cite \textit{D. Gómez} et al., J. Elasticity 142, No. 1, 89--120 (2020; Zbl 07305651) Full Text: DOI
Kraev, A. V.; Rogovskiy, A. I. Simultaneous transformation of systems to a form with relative degree. (English. Russian original) Zbl 07304924 Differ. Equ. 56, No. 12, 1644-1649 (2020); translation from Differ. Uravn. 56, No. 12, 1676-1680 (2020). MSC: 93B17 93B11 93C05 PDF BibTeX XML Cite \textit{A. V. Kraev} and \textit{A. I. Rogovskiy}, Differ. Equ. 56, No. 12, 1644--1649 (2020; Zbl 07304924); translation from Differ. Uravn. 56, No. 12, 1676--1680 (2020) Full Text: DOI
Kwon, Sanghoon A fundamental domain for \(\mathrm{PGL}(2,\mathbb{F}_q[t])\backslash\mathrm{PGL}\!\left(2,\mathbb{F}_q\!\left(\! (t^{-1})\!\right)\!\right)\). (English) Zbl 07304749 Bull. Korean Math. Soc. 57, No. 6, 1491-1499 (2020). MSC: 11F06 11F03 20G25 20H20 PDF BibTeX XML Cite \textit{S. Kwon}, Bull. Korean Math. Soc. 57, No. 6, 1491--1499 (2020; Zbl 07304749) Full Text: DOI
Duggal, Krishan Lal Pseudo Cauchy Riemann and framed manifolds with physical applications. (English) Zbl 07304392 Int. Electron. J. Geom. 13, No. 1, 61-73 (2020). Reviewer: Mircea Crâşmăreanu (Iaşi) MSC: 53C50 53C55 53C80 PDF BibTeX XML Cite \textit{K. L. Duggal}, Int. Electron. J. Geom. 13, No. 1, 61--73 (2020; Zbl 07304392) Full Text: DOI
Lewicka, Marta; Peres, Yuval Which domains have two-sided supporting unit spheres at every boundary point? (English) Zbl 07304254 Expo. Math. 38, No. 4, 548-558 (2020). MSC: 51F30 35F30 46B20 PDF BibTeX XML Cite \textit{M. Lewicka} and \textit{Y. Peres}, Expo. Math. 38, No. 4, 548--558 (2020; Zbl 07304254) Full Text: DOI
Aldhafeeri, Shuaa The order of the Sylow 2-subgroups of the orthogonal groups. (English) Zbl 1454.20034 Nonlinear Stud. 27, No. 1, 319-323 (2020). MSC: 20D20 20G40 PDF BibTeX XML Cite \textit{S. Aldhafeeri}, Nonlinear Stud. 27, No. 1, 319--323 (2020; Zbl 1454.20034) Full Text: Link
Knight, Julia F.; Soskova, Alexandra A.; Vatev, Stefan V. Coding in graphs and linear orderings. (English) Zbl 07303639 J. Symb. Log. 85, No. 2, 673-690 (2020). Reviewer: Jamalbek Tussupov (Astana) MSC: 03C57 03D45 PDF BibTeX XML Cite \textit{J. F. Knight} et al., J. Symb. Log. 85, No. 2, 673--690 (2020; Zbl 07303639) Full Text: DOI
Frolov, Andrey N.; Lempp, Steffen; Ng, Keng Meng; Wu, Guohua Computable linear orders and products. (English) Zbl 07303635 J. Symb. Log. 85, No. 2, 605-623 (2020). Reviewer: Andrei S. Morozov (Novosibirsk) MSC: 03C57 03D45 PDF BibTeX XML Cite \textit{A. N. Frolov} et al., J. Symb. Log. 85, No. 2, 605--623 (2020; Zbl 07303635) Full Text: DOI
Chen, Hebai; Tang, Yilei A proof of Euzébio-Pazim-Ponce’s conjectures for a degenerate planar piecewise linear differential system with three zones. (English) Zbl 1453.34056 Physica D 401, Article ID 132150, 22 p. (2020). MSC: 34C23 34A36 34C05 34D20 PDF BibTeX XML Cite \textit{H. Chen} and \textit{Y. Tang}, Physica D 401, Article ID 132150, 22 p. (2020; Zbl 1453.34056) Full Text: DOI
Freire, Emilio; Ordóñez, Manuel; Ponce, Enrique Bifurcations from a center at infinity in 3D piecewise linear systems with two zones. (English) Zbl 1453.34057 Physica D 402, Article ID 132280, 11 p. (2020). MSC: 34C23 34C45 34C05 PDF BibTeX XML Cite \textit{E. Freire} et al., Physica D 402, Article ID 132280, 11 p. (2020; Zbl 1453.34057) Full Text: DOI
Zhang, Shaoyong; Gu, Zhaohui; Li, Yongjin On positive injective tensor products being Grothendieck spaces. (English) Zbl 07301258 Indian J. Pure Appl. Math. 51, No. 3, 1239-1246 (2020). MSC: 46B20 46B28 PDF BibTeX XML Cite \textit{S. Zhang} et al., Indian J. Pure Appl. Math. 51, No. 3, 1239--1246 (2020; Zbl 07301258) Full Text: DOI
El Amrani, Abdelkhalek; Razouki, Abdelhak; Hassani, Rachid A.; Babahmed, Mohamed On the \(\mathbb{K} \)-vector sequential topology on a non-Archimedean valued field. (English) Zbl 07301004 \(p\)-Adic Numbers Ultrametric Anal. Appl. 12, No. 3, 177-184 (2020). MSC: 46S10 46A03 46A19 PDF BibTeX XML Cite \textit{A. El Amrani} et al., \(p\)-Adic Numbers Ultrametric Anal. Appl. 12, No. 3, 177--184 (2020; Zbl 07301004) Full Text: DOI
Bounkhel, Messaoud; Bachar, Mostafa \(V\)-prox-regular functions in smooth Banach spaces. (English) Zbl 07300497 J. Funct. Spaces 2020, Article ID 9465492, 8 p. (2020). MSC: 49J52 46B20 PDF BibTeX XML Cite \textit{M. Bounkhel} and \textit{M. Bachar}, J. Funct. Spaces 2020, Article ID 9465492, 8 p. (2020; Zbl 07300497) Full Text: DOI
Ojha, Bhuwan Prasad; Bajracharya, Prakash Muni; Mishra, Vishnu Narayan On uniqueness of new orthogonality via 2-HH norm in normed linear space. (English) Zbl 07300038 J. Funct. Spaces 2020, Article ID 8835492, 6 p. (2020). MSC: 46B20 PDF BibTeX XML Cite \textit{B. P. Ojha} et al., J. Funct. Spaces 2020, Article ID 8835492, 6 p. (2020; Zbl 07300038) Full Text: DOI