Iwen, Mark A.; Needell, Deanna; Rebrova, Elizaveta; Zare, Ali Lower memory oblivious (tensor) subspace embeddings with fewer random bits: modewise methods for least squares. (English) Zbl 07331678 SIAM J. Matrix Anal. Appl. 42, No. 1, 376-416 (2021). MSC: 15A69 15B52 15-04 65F30 68Q87 PDF BibTeX XML Cite \textit{M. A. Iwen} et al., SIAM J. Matrix Anal. Appl. 42, No. 1, 376--416 (2021; Zbl 07331678) Full Text: DOI
de León, Manuel; Gaset, Jordi; Laínz, Manuel; Muñoz-Lecanda, Miguel C.; Román-Roy, Narciso Higher-order contact mechanics. (English) Zbl 07330287 Ann. Phys. 425, Article ID 168396, 34 p. (2021). MSC: 37J55 53D10 70H50 70G75 70G45 70H03 70H05 PDF BibTeX XML Cite \textit{M. de León} et al., Ann. Phys. 425, Article ID 168396, 34 p. (2021; Zbl 07330287) Full Text: DOI
Rafatneshan, Gholamreza; Zamani, Yousef Induced operators on the generalized symmetry classes of tensors. (English) Zbl 07324052 Int. J. Group Theory 10, No. 4, 197-211 (2021). MSC: 20C30 15A69 PDF BibTeX XML Cite \textit{G. Rafatneshan} and \textit{Y. Zamani}, Int. J. Group Theory 10, No. 4, 197--211 (2021; Zbl 07324052) Full Text: DOI
Chen, Can; Surana, Amit; Bloch, Anthony M.; Rajapakse, Indika Multilinear control systems theory. (English) Zbl 07319565 SIAM J. Control Optim. 59, No. 1, 749-776 (2021). Reviewer: Krishnan Balachandran (Coimbatore) MSC: 93B05 93B07 93B03 93C05 93D20 PDF BibTeX XML Cite \textit{C. Chen} et al., SIAM J. Control Optim. 59, No. 1, 749--776 (2021; Zbl 07319565) Full Text: DOI
Sun, Linxuan; Wang, Gang; Liu, Lixia Further study on \(Z\)-eigenvalue localization set and positive definiteness of fourth-order tensors. (English) Zbl 07311087 Bull. Malays. Math. Sci. Soc. (2) 44, No. 1, 105-129 (2021). MSC: 15A18 15A42 15A69 PDF BibTeX XML Cite \textit{L. Sun} et al., Bull. Malays. Math. Sci. Soc. (2) 44, No. 1, 105--129 (2021; Zbl 07311087) Full Text: DOI
Anselli, Andrea; Colombo, Giulio; Rigoli, Marco On the geometry of Einstein-type structures. (English) Zbl 07310963 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 204, Article ID 112198, 85 p. (2021). MSC: 53C25 53C21 53C24 53B20 58J60 PDF BibTeX XML Cite \textit{A. Anselli} et al., Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 204, Article ID 112198, 85 p. (2021; Zbl 07310963) Full Text: DOI
Jentsch, Tillmann; Weingart, Gregor Jacobi relations on naturally reductive spaces. (English) Zbl 07310543 Ann. Global Anal. Geom. 59, No. 1, 109-156 (2021). MSC: 53C21 53C25 53C30 PDF BibTeX XML Cite \textit{T. Jentsch} and \textit{G. Weingart}, Ann. Global Anal. Geom. 59, No. 1, 109--156 (2021; Zbl 07310543) Full Text: DOI
Tokcan, Neriman; Gryak, Jonathan; Najarian, Kayvan; Derksen, Harm Algebraic methods for tensor data. (English) Zbl 07305927 SIAM J. Appl. Algebra Geom. 5, No. 1, 1-27 (2021). MSC: 15A72 15A69 22E45 20G05 PDF BibTeX XML Cite \textit{N. Tokcan} et al., SIAM J. Appl. Algebra Geom. 5, No. 1, 1--27 (2021; Zbl 07305927) Full Text: DOI
Ehrlacher, Virginie; Grigori, Laura; Lombardi, Damiano; Song, Hao Adaptive hierarchical subtensor partitioning for tensor compression. (English) Zbl 07303442 SIAM J. Sci. Comput. 43, No. 1, A139-A163 (2021). MSC: 65F99 65D15 PDF BibTeX XML Cite \textit{V. Ehrlacher} et al., SIAM J. Sci. Comput. 43, No. 1, A139--A163 (2021; Zbl 07303442) Full Text: DOI
Song, Yisheng Positive definiteness for 4th order symmetric tensors and applications. (English) Zbl 07301275 Anal. Math. Phys. 11, No. 1, Paper No. 10, 17 p. (2021). MSC: 15A72 15A69 15B48 81T32 70S20 53A45 81T10 PDF BibTeX XML Cite \textit{Y. Song}, Anal. Math. Phys. 11, No. 1, Paper No. 10, 17 p. (2021; Zbl 07301275) Full Text: DOI
Basquerotto, C. H. C. C.; Ruiz, A. On the reduction of nonlinear mechanical systems via moving frames: a bead on a rotating wire hoop and a spinning top. (English) Zbl 07330619 Acta Mech. 231, No. 12, 4867-4879 (2020). MSC: 70G45 70H33 70G65 PDF BibTeX XML Cite \textit{C. H. C. C. Basquerotto} and \textit{A. Ruiz}, Acta Mech. 231, No. 12, 4867--4879 (2020; Zbl 07330619) Full Text: DOI
Curiel, Erik; Finster, Felix; Isidro, José M. Two-dimensional area and matter flux in the theory of causal fermion systems. (English) Zbl 07328525 Int. J. Mod. Phys. D 29, No. 15, Article ID 2050098, 23 p. (2020). MSC: 81V74 70S05 70G75 70G45 49Q20 53Z05 PDF BibTeX XML Cite \textit{E. Curiel} et al., Int. J. Mod. Phys. D 29, No. 15, Article ID 2050098, 23 p. (2020; Zbl 07328525) Full Text: DOI
Ha, Seung-Yeal; Park, Hansol On the Schrödinger-Lohe hierarchy for aggregation and its emergent dynamics. (English) Zbl 07327997 J. Stat. Phys. 181, No. 6, 2150-2190 (2020). MSC: 82C10 82C22 35B37 PDF BibTeX XML Cite \textit{S.-Y. Ha} and \textit{H. Park}, J. Stat. Phys. 181, No. 6, 2150--2190 (2020; Zbl 07327997) Full Text: DOI
Fu, Jixiang; Sheng, Weimin; Yuan, Lixia Prescribed \(k\)-curvature problems on complete noncompact Riemannian manifolds. (English) Zbl 07323424 Int. Math. Res. Not. 2020, No. 23, 9559-9592 (2020). MSC: 53C21 53C20 35J60 PDF BibTeX XML Cite \textit{J. Fu} et al., Int. Math. Res. Not. 2020, No. 23, 9559--9592 (2020; Zbl 07323424) Full Text: DOI
Matveev, Vladimir Sergeevich Quantum integrability for the Beltrami-Laplace operators of projectively equivalent metrics of arbitrary signatures. (English) Zbl 07319010 Chebyshevskiĭ Sb. 21, No. 2(74), 275-289 (2020). MSC: 53C22 53C21 PDF BibTeX XML Cite \textit{V. S. Matveev}, Chebyshevskiĭ Sb. 21, No. 2(74), 275--289 (2020; Zbl 07319010) Full Text: DOI MNR
Obukhov, V. V. Integration of the Hamilton-Jacobi and Maxwell equations in diagonal metrics of Stäckel spaces. (English. Russian original) Zbl 1455.70009 Russ. Phys. J. 63, No. 7, 1126-1132 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Fiz. 63, No. 7, 21-25 (2020). MSC: 70G45 70H20 78A35 53Z05 PDF BibTeX XML Cite \textit{V. V. Obukhov}, Russ. Phys. J. 63, No. 7, 1126--1132 (2020; Zbl 1455.70009); translation from Izv. Vyssh. Uchebn. Zaved., Fiz. 63, No. 7, 21--25 (2020) Full Text: DOI
Wang, Gang; Wang, Yiju; Zhang, Yuan Brualdi-type bounds on minimum eigenvalues for Fan product of \(\mathcal{M}\)-tensors. (English) Zbl 07313904 Pac. J. Optim. 16, No. 2, 329-341 (2020). Reviewer: Tin Yau Tam (Reno) MSC: 15A42 15A18 15A69 05C50 PDF BibTeX XML Cite \textit{G. Wang} et al., Pac. J. Optim. 16, No. 2, 329--341 (2020; Zbl 07313904) Full Text: Link
Mourrain, Bernard; Oneto, Alessandro On minimal decompositions of low rank symmetric tensors. (English) Zbl 07309732 Linear Algebra Appl. 607, 347-377 (2020). MSC: 13P05 14N20 13F20 14N05 PDF BibTeX XML Cite \textit{B. Mourrain} and \textit{A. Oneto}, Linear Algebra Appl. 607, 347--377 (2020; Zbl 07309732) Full Text: DOI
de Saxcé, Gery Asymptotic expansion of general relativity with Galilean covariance. (English) Zbl 1454.83024 Gen. Relativ. Gravitation 52, No. 9, Paper No. 89, 30 p. (2020). MSC: 83C25 70G45 PDF BibTeX XML Cite \textit{G. de Saxcé}, Gen. Relativ. Gravitation 52, No. 9, Paper No. 89, 30 p. (2020; Zbl 1454.83024) Full Text: DOI
Greene, Clint; Revill, Kate; Buetefisch, Cathrin; Rose, Ken; Grafton, Scott Optimal fiber diffusion model restoration. (English) Zbl 07304435 Bonet-Carne, Elisenda (ed.) et al., Computational diffusion MRI. MICCAI workshop, Shenzhen, China, October 17, 2019. Cham: Springer (ISBN 978-3-030-52892-8/hbk; 978-3-030-52893-5/ebook). Mathematics and Visualization, 35-47 (2020). MSC: 92C55 92B20 92-08 PDF BibTeX XML Cite \textit{C. Greene} et al., in: Computational diffusion MRI. MICCAI workshop, Shenzhen, China, October 17, 2019. Cham: Springer. 35--47 (2020; Zbl 07304435) Full Text: DOI
Li, Yingzhe; Sun, Yajuan; Crouseilles, Nicolas Numerical simulations of one laser-plasma model based on Poisson structure. (English) Zbl 1453.65257 J. Comput. Phys. 405, Article ID 109172, 20 p. (2020). MSC: 65M08 65M70 76X05 76Y05 70G45 PDF BibTeX XML Cite \textit{Y. Li} et al., J. Comput. Phys. 405, Article ID 109172, 20 p. (2020; Zbl 1453.65257) Full Text: DOI
Cortinovis, Alice; Kressner, Daniel Low-rank approximation in the Frobenius norm by column and row subset selection. (English) Zbl 07301504 SIAM J. Matrix Anal. Appl. 41, No. 4, 1651-1673 (2020). MSC: 65F30 65F99 PDF BibTeX XML Cite \textit{A. Cortinovis} and \textit{D. Kressner}, SIAM J. Matrix Anal. Appl. 41, No. 4, 1651--1673 (2020; Zbl 07301504) Full Text: DOI
Mickelin, Oscar; Karaman, Sertac Multiresolution low-rank tensor formats. (English) Zbl 07301474 SIAM J. Matrix Anal. Appl. 41, No. 3, 1086-1114 (2020). MSC: 65F99 15A69 PDF BibTeX XML Cite \textit{O. Mickelin} and \textit{S. Karaman}, SIAM J. Matrix Anal. Appl. 41, No. 3, 1086--1114 (2020; Zbl 07301474) Full Text: DOI
Dhont, Guillaume; Iwai, Toshihiro; Zhilinskií, Boris I. A study of energy band rearrangement in isolated molecules by means of the Dirac oscillator approximation. (English) Zbl 07300967 Regul. Chaotic Dyn. 25, No. 5, 424-452 (2020). MSC: 37J39 37N20 53D20 58K65 81Q70 81V55 70G45 70H33 PDF BibTeX XML Cite \textit{G. Dhont} et al., Regul. Chaotic Dyn. 25, No. 5, 424--452 (2020; Zbl 07300967) Full Text: DOI
Iwai, Toshihiro; Sadovskií, Dmitrií A.; Zhilinskií, Boris I. Angular momentum coupling, Dirac oscillators, and quantum band rearrangements in the presence of momentum reversal symmetries. (English) Zbl 07300136 J. Geom. Mech. 12, No. 3, 455-505 (2020). MSC: 81Q70 81V55 53C80 58J70 70G45 PDF BibTeX XML Cite \textit{T. Iwai} et al., J. Geom. Mech. 12, No. 3, 455--505 (2020; Zbl 07300136) Full Text: DOI
Gaeta, Giuseppe; Walcher, Sebastian Higher order normal modes. (English) Zbl 07300133 J. Geom. Mech. 12, No. 3, 421-434 (2020). Reviewer: Mohammad Khorrami (Tehran) MSC: 37J06 34A05 15A69 70K42 PDF BibTeX XML Cite \textit{G. Gaeta} and \textit{S. Walcher}, J. Geom. Mech. 12, No. 3, 421--434 (2020; Zbl 07300133) Full Text: DOI
Avendaño-Camacho, Misael; Hasse-Armengol, Isaac; Velasco-Barreras, Eduardo; Vorobiev, Yury The method of averaging for Poisson connections on foliations and its applications. (English) Zbl 07300129 J. Geom. Mech. 12, No. 3, 343-361 (2020). MSC: 53D17 53C12 53D20 58D19 70G45 PDF BibTeX XML Cite \textit{M. Avendaño-Camacho} et al., J. Geom. Mech. 12, No. 3, 343--361 (2020; Zbl 07300129) Full Text: DOI
Lewis, Andrew D. Nonholonomic and constrained variational mechanics. (English) Zbl 07300125 J. Geom. Mech. 12, No. 2, 165-308 (2020). MSC: 70F25 34C45 46E35 49K05 53B05 53C05 53C17 58A30 70G45 PDF BibTeX XML Cite \textit{A. D. Lewis}, J. Geom. Mech. 12, No. 2, 165--308 (2020; Zbl 07300125) Full Text: DOI
Sun, Deshu New methods based on \(\mathcal{H}\)-tensors for identifying positive definiteness of homogeneous polynomial forms. (English) Zbl 07298429 Linear Multilinear Algebra 68, No. 12, 2473-2483 (2020). MSC: 15A69 15B48 PDF BibTeX XML Cite \textit{D. Sun}, Linear Multilinear Algebra 68, No. 12, 2473--2483 (2020; Zbl 07298429) Full Text: DOI
Che, Maolin; Qi, Liqun; Wei, Yimin The generalized order tensor complementarity problems. (English) Zbl 07296109 Numer. Math., Theory Methods Appl. 13, No. 1, 131-149 (2020). MSC: 90C33 PDF BibTeX XML Cite \textit{M. Che} et al., Numer. Math., Theory Methods Appl. 13, No. 1, 131--149 (2020; Zbl 07296109) Full Text: DOI
Pang, Bo; Zhang, Xue; Cao, Mingyuan An adaptive trust region method for solving \(\mathcal{D}\)-eigenvalues problem of diffusion kurtosis tensors. (English) Zbl 07295169 J. Beihua Univ., Nat. Sci. 21, No. 3, 290-294 (2020). MSC: 49J30 65K10 PDF BibTeX XML Cite \textit{B. Pang} et al., J. Beihua Univ., Nat. Sci. 21, No. 3, 290--294 (2020; Zbl 07295169) Full Text: DOI
del Barco, Viviana; Moroianu, Andrei Symmetric Killing tensors on nilmanifolds. (Tenseurs de Killing symétriques sur les nilvariétés.) (English) Zbl 07290299 Bull. Soc. Math. Fr. 148, No. 3, 411-438 (2020). Reviewer: Dmitri Alekseevsky (Moskva) MSC: 53C30 53C20 53D25 22E25 PDF BibTeX XML Cite \textit{V. del Barco} and \textit{A. Moroianu}, Bull. Soc. Math. Fr. 148, No. 3, 411--438 (2020; Zbl 07290299) Full Text: DOI
Celik, Turku Ozlum; Galuppi, Francesco; Kulkarni, Avinash; Sorea, Miruna-Ştefana On the eigenpoints of cubic surfaces. (English) Zbl 07286617 Matematiche 75, No. 2, 611-625 (2020). Reviewer: Reynaldo Staffolani (Trento) MSC: 14J26 14M15 15A18 15A69 PDF BibTeX XML Cite \textit{T. O. Celik} et al., Matematiche 75, No. 2, 611--625 (2020; Zbl 07286617) Full Text: DOI
Escalante, Alberto; Pantoja, Aldair The Hamilton-Jacobi characteristic equations for topological invariants: Pontryagin and Euler classes. (English) Zbl 1451.70058 Ann. Phys. 420, Article ID 168265, 15 p. (2020). MSC: 70S05 70S15 70G45 PDF BibTeX XML Cite \textit{A. Escalante} and \textit{A. Pantoja}, Ann. Phys. 420, Article ID 168265, 15 p. (2020; Zbl 1451.70058) Full Text: DOI
Wang, Xuezhong; Che, Maolin; Wei, Yimin Preconditioned tensor splitting AOR iterative methods for \(\mathcal{H}\)-tensor equations. (English) Zbl 07286036 Numer. Linear Algebra Appl. 27, No. 6, e2329, 16 p. (2020). MSC: 15A18 15A69 65F15 65F10 PDF BibTeX XML Cite \textit{X. Wang} et al., Numer. Linear Algebra Appl. 27, No. 6, e2329, 16 p. (2020; Zbl 07286036) Full Text: DOI
Rafatneshan, Gholamreza; Zamani, Yousef Generalized symmetry classes of tensors. (English) Zbl 07285970 Czech. Math. J. 70, No. 4, 921-933 (2020). MSC: 20C30 15A69 PDF BibTeX XML Cite \textit{G. Rafatneshan} and \textit{Y. Zamani}, Czech. Math. J. 70, No. 4, 921--933 (2020; Zbl 07285970) Full Text: DOI
Jiao, Aiquan; Zhao, Jianxing; Li, Yaotang SGB-tensors and its applications. (English) Zbl 07275240 Linear Multilinear Algebra 68, No. 6, 1113-1128 (2020). MSC: 15A18 65F15 PDF BibTeX XML Cite \textit{A. Jiao} et al., Linear Multilinear Algebra 68, No. 6, 1113--1128 (2020; Zbl 07275240) Full Text: DOI
Chaubey, Sudhakar K.; Suh, Young Jin; De, Uday Chand Characterizations of the Lorentzian manifolds admitting a type of semi-symmetric metric connection. (English) Zbl 1453.53024 Anal. Math. Phys. 10, No. 4, Paper No. 61, 14 p. (2020). Reviewer: Anthony D. Osborne (Keele) MSC: 53B30 53B50 53C15 PDF BibTeX XML Cite \textit{S. K. Chaubey} et al., Anal. Math. Phys. 10, No. 4, Paper No. 61, 14 p. (2020; Zbl 1453.53024) Full Text: DOI
Neff, Patrizio; Graban, Kai; Schweickert, Eva; Martin, Robert J. The axiomatic introduction of arbitrary strain tensors by Hans Richter – a commented translation of ‘strain tensor, strain deviator and stress tensor for finite deformations’. (English) Zbl 07272660 Math. Mech. Solids 25, No. 5, 1060-1080 (2020). MSC: 74 PDF BibTeX XML Cite \textit{P. Neff} et al., Math. Mech. Solids 25, No. 5, 1060--1080 (2020; Zbl 07272660) Full Text: DOI
Manev, Mancho Ricci-like solitons with vertical potential on Sasaki-like almost contact B-metric manifolds. (English) Zbl 1453.53054 Result. Math. 75, No. 4, Paper No. 136, 16 p. (2020). MSC: 53C25 53D15 53C50 53E20 53D35 70G45 PDF BibTeX XML Cite \textit{M. Manev}, Result. Math. 75, No. 4, Paper No. 136, 16 p. (2020; Zbl 1453.53054) Full Text: DOI
Blaga, Adara M. On harmonicity and Miao-Tam critical metrics in a perfect fluid spacetime. (English) Zbl 1453.53030 Bol. Soc. Mat. Mex., III. Ser. 26, No. 3, 1289-1299 (2020). Reviewer: Anthony D. Osborne (Keele) MSC: 53B50 53E99 53C50 83C20 PDF BibTeX XML Cite \textit{A. M. Blaga}, Bol. Soc. Mat. Mex., III. Ser. 26, No. 3, 1289--1299 (2020; Zbl 1453.53030) Full Text: DOI
Greenleaf, Frederick P.; Marques, Sophie Linear algebra II. (English) Zbl 07269839 Courant Lecture Notes in Mathematics 30. Providence, RI: American Mathematical Society (AMS); New York, NY: Courant Institute of Mathematical Sciences (ISBN 978-1-4704-5425-8/pbk; 978-1-4704-5642-9/ebook; 978-1-4704-6160-7/set). xiv, 288 p. (2020). Reviewer: Ctirad Matonoha (Praha) MSC: 15-01 15Axx 15B30 47Axx 53Axx PDF BibTeX XML Cite \textit{F. P. Greenleaf} and \textit{S. Marques}, Linear algebra II. Providence, RI: American Mathematical Society (AMS); New York, NY: Courant Institute of Mathematical Sciences (2020; Zbl 07269839)
Lin, Zerong; Zhang, Ziming; Xu, Changqing Random distribution of homogeneous polynomial variables. (Chinese. English summary) Zbl 07267157 J. Suzhou Univ. Sci. Technol., Nat. Sci. 37, No. 1, 18-24 (2020). MSC: 62E10 60G60 PDF BibTeX XML Cite \textit{Z. Lin} et al., J. Suzhou Univ. Sci. Technol., Nat. Sci. 37, No. 1, 18--24 (2020; Zbl 07267157) Full Text: DOI
Lang, Honglei; Liu, Zhangju; Sheng, Yunhe Affine structures on Lie groupoids. (English) Zbl 07264016 Pac. J. Math. 307, No. 2, 353-382 (2020). Reviewer: Iakovos Androulidakis (Athína) MSC: 22A22 53D17 53D18 70G45 PDF BibTeX XML Cite \textit{H. Lang} et al., Pac. J. Math. 307, No. 2, 353--382 (2020; Zbl 07264016) Full Text: DOI
Bernardi, Alessandra; Taufer, Daniele Waring, tangential and cactus decompositions. (English. French summary) Zbl 1448.14051 J. Math. Pures Appl. (9) 143, 1-30 (2020). Reviewer: Edoardo Ballico (Povo) MSC: 14N07 15A69 PDF BibTeX XML Cite \textit{A. Bernardi} and \textit{D. Taufer}, J. Math. Pures Appl. (9) 143, 1--30 (2020; Zbl 1448.14051) Full Text: DOI
Colmenarejo, Laura; Preiß, Rosa Signatures of paths transformed by polynomial maps. (English) Zbl 1455.13051 Beitr. Algebra Geom. 61, No. 4, 695-717 (2020). Reviewer: Loïc Foissy (Calais) MSC: 13P25 60L10 17D99 PDF BibTeX XML Cite \textit{L. Colmenarejo} and \textit{R. Preiß}, Beitr. Algebra Geom. 61, No. 4, 695--717 (2020; Zbl 1455.13051) Full Text: DOI
Pankaj; Chaubey, S. K.; Prasad, Rajendra Sasakian manifolds admitting a non-symmetric non-metric connection. (English) Zbl 1451.53030 Palest. J. Math. 9, No. 2, 698-710 (2020). MSC: 53B15 53C25 PDF BibTeX XML Cite \textit{Pankaj} et al., Palest. J. Math. 9, No. 2, 698--710 (2020; Zbl 1451.53030) Full Text: Link
Conca, Aldo; De Negri, Emanuela; Stojanac, Željka A characteristic free approach to secant varieties of triple Segre products. (English) Zbl 1448.14052 Algebr. Comb. 3, No. 5, 1011-1021 (2020). Reviewer: Reynaldo Staffolani (Trento) MSC: 14N07 13C40 05E40 PDF BibTeX XML Cite \textit{A. Conca} et al., Algebr. Comb. 3, No. 5, 1011--1021 (2020; Zbl 1448.14052) Full Text: DOI
Khan, Mohammad Nazrul Islam Complete and horizontal lifts of metallic structures. (English) Zbl 1451.53043 Int. J. Math. Comput. Sci. 15, No. 4, 983-992 (2020). MSC: 53C15 53B25 58A30 PDF BibTeX XML Cite \textit{M. N. I. Khan}, Int. J. Math. Comput. Sci. 15, No. 4, 983--992 (2020; Zbl 1451.53043) Full Text: Link
Jotz Lean, M. On LA-Courant algebroids and Poisson Lie 2-algebroids. (English) Zbl 07259724 Math. Phys. Anal. Geom. 23, No. 3, Paper No. 31, 40 p. (2020). Reviewer: Iakovos Androulidakis (Athína) MSC: 58A50 58H05 17B63 53D17 70G45 53B05 58H99 PDF BibTeX XML Cite \textit{M. Jotz Lean}, Math. Phys. Anal. Geom. 23, No. 3, Paper No. 31, 40 p. (2020; Zbl 07259724) Full Text: DOI
Ciaglia, F. M.; Di Cosmo, F.; Ibort, A.; Marmo, G.; Schiavone, L. Covariant reduction of classical Hamiltonian field theories: from d’Alembert to Klein-Gordon and Schrödinger. (English) Zbl 1443.70060 Mod. Phys. Lett. A 35, No. 23, Article ID 2050214, 14 p. (2020). MSC: 70S05 70G45 53D05 53Z05 83E15 70H40 PDF BibTeX XML Cite \textit{F. M. Ciaglia} et al., Mod. Phys. Lett. A 35, No. 23, Article ID 2050214, 14 p. (2020; Zbl 1443.70060) Full Text: DOI
Ciaglia, F. M.; Di Cosmo, F.; Ibort, A.; Marmo, G.; Schiavone, L. Covariant variational evolution and Jacobi brackets: fields. (English) Zbl 1443.70059 Mod. Phys. Lett. A 35, No. 23, Article ID 2050206, 16 p. (2020). MSC: 70S05 70G45 53Z05 53D17 53D10 70H40 PDF BibTeX XML Cite \textit{F. M. Ciaglia} et al., Mod. Phys. Lett. A 35, No. 23, Article ID 2050206, 16 p. (2020; Zbl 1443.70059) Full Text: DOI
Ciaglia, F. M.; Di Cosmo, F.; Ibort, A.; Marmo, G.; Schiavone, L. Covariant variational evolution and Jacobi brackets: particles. (English) Zbl 1443.70043 Mod. Phys. Lett. A 35, No. 23, Article ID 2020001, 17 p. (2020). MSC: 70H05 70G45 53Z05 53D10 53D17 PDF BibTeX XML Cite \textit{F. M. Ciaglia} et al., Mod. Phys. Lett. A 35, No. 23, Article ID 2020001, 17 p. (2020; Zbl 1443.70043) Full Text: DOI
Vershynin, Roman Concentration inequalities for random tensors. (English) Zbl 07256171 Bernoulli 26, No. 4, 3139-3162 (2020). MSC: 60E15 15A69 15B52 60B99 PDF BibTeX XML Cite \textit{R. Vershynin}, Bernoulli 26, No. 4, 3139--3162 (2020; Zbl 07256171) Full Text: DOI Euclid
Kyrov, V. A. Hypercomplex numbers in some geometries of two sets. II. (English. Russian original) Zbl 07255609 Russ. Math. 64, No. 5, 31-48 (2020); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 5, 39-54 (2020). MSC: 30G35 70G45 PDF BibTeX XML Cite \textit{V. A. Kyrov}, Russ. Math. 64, No. 5, 31--48 (2020; Zbl 07255609); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2020, No. 5, 39--54 (2020) Full Text: DOI
Binette, Olivier; Pati, Debdeep; Dunson, David B. Bayesian closed surface fitting through tensor products. (English) Zbl 07255150 J. Mach. Learn. Res. 21, Paper No. 119, 26 p. (2020). MSC: 68T05 PDF BibTeX XML Cite \textit{O. Binette} et al., J. Mach. Learn. Res. 21, Paper No. 119, 26 p. (2020; Zbl 07255150) Full Text: Link
Wang, Gang; Wang, Yanan; Wang, Yiju Some Ostrowski-type bound estimations of spectral radius for weakly irreducible nonnegative tensors. (English) Zbl 1450.15025 Linear Multilinear Algebra 68, No. 9, 1817-1834 (2020). MSC: 15A69 15A18 15A60 PDF BibTeX XML Cite \textit{G. Wang} et al., Linear Multilinear Algebra 68, No. 9, 1817--1834 (2020; Zbl 1450.15025) Full Text: DOI
Sariaydin, Muhammed T.; Korpinar, Talat An approach for vectorial moments in Euclidean 3-space. (English) Zbl 1448.53007 Honam Math. J. 42, No. 1, 187-195 (2020). MSC: 53A04 58J72 70G45 PDF BibTeX XML Cite \textit{M. T. Sariaydin} and \textit{T. Korpinar}, Honam Math. J. 42, No. 1, 187--195 (2020; Zbl 1448.53007) Full Text: DOI
Schachinger, Werner Lower bounds for maximal cp-ranks of completely positive matrices and tensors. (English) Zbl 1448.15043 Electron. J. Linear Algebra 36, 519-541 (2020). MSC: 15B48 15A45 15A69 15A23 15A03 90C25 PDF BibTeX XML Cite \textit{W. Schachinger}, Electron. J. Linear Algebra 36, 519--541 (2020; Zbl 1448.15043) Full Text: Link
Liu, Xiaobo Formulation of the governing equations of motion of dynamic systems on a principal bundle. (English) Zbl 1441.70008 J. Appl. Nonlinear Dyn. 9, No. 1, 129-152 (2020). MSC: 70G45 70F25 53Z05 53C80 PDF BibTeX XML Cite \textit{X. Liu}, J. Appl. Nonlinear Dyn. 9, No. 1, 129--152 (2020; Zbl 1441.70008) Full Text: DOI
Tyrtyshnikov, Eugene E. Tensor decompositions and rank increment conjecture. (English) Zbl 1448.15034 Russ. J. Numer. Anal. Math. Model. 35, No. 4, 239-246 (2020). MSC: 15A69 15A03 PDF BibTeX XML Cite \textit{E. E. Tyrtyshnikov}, Russ. J. Numer. Anal. Math. Model. 35, No. 4, 239--246 (2020; Zbl 1448.15034) Full Text: DOI
Li, Suhua; Li, Yaotang Checkable criteria for the M-positive definiteness of fourth-order partially symmetric tensors. (English) Zbl 1447.15024 Bull. Iran. Math. Soc. 46, No. 5, 1455-1463 (2020). MSC: 15A69 15A18 65F15 PDF BibTeX XML Cite \textit{S. Li} and \textit{Y. Li}, Bull. Iran. Math. Soc. 46, No. 5, 1455--1463 (2020; Zbl 1447.15024) Full Text: DOI
Liu, Qilong; Liao, Qingshui \(p\)-norm \(B\)-tensors and \(p\)-norm \(B_0\)-tensors. (English) Zbl 1448.15032 Bull. Iran. Math. Soc. 46, No. 5, 1421-1435 (2020). MSC: 15A69 15A18 PDF BibTeX XML Cite \textit{Q. Liu} and \textit{Q. Liao}, Bull. Iran. Math. Soc. 46, No. 5, 1421--1435 (2020; Zbl 1448.15032) Full Text: DOI
Hu, Shenglong Symmetry of eigenvalues of Sylvester matrices and tensors. (English) Zbl 1447.15005 Sci. China, Math. 63, No. 5, 845-872 (2020). MSC: 15A18 15A69 58D19 PDF BibTeX XML Cite \textit{S. Hu}, Sci. China, Math. 63, No. 5, 845--872 (2020; Zbl 1447.15005) Full Text: DOI
Li, Shigui; Chen, Zhen; Li, Chaoqian; Zhao, Jianxing Eigenvalue bounds of third-order tensors via the minimax eigenvalue of symmetric matrices. (English) Zbl 07241642 Comput. Appl. Math. 39, No. 3, Paper No. 217, 14 p. (2020). MSC: 15A18 15A42 15A69 PDF BibTeX XML Cite \textit{S. Li} et al., Comput. Appl. Math. 39, No. 3, Paper No. 217, 14 p. (2020; Zbl 07241642) Full Text: DOI
Ceruti, Gianluca; Lubich, Christian Time integration of symmetric and anti-symmetric low-rank matrices and Tucker tensors. (English) Zbl 1446.65037 BIT 60, No. 3, 591-614 (2020). MSC: 65L05 65L20 65L70 65F55 PDF BibTeX XML Cite \textit{G. Ceruti} and \textit{C. Lubich}, BIT 60, No. 3, 591--614 (2020; Zbl 1446.65037) Full Text: DOI
Georgieva, Irina; Harizanov, Stanislav; Hofreither, Clemens Iterative low-rank approximation solvers for the extension method for fractional diffusion. (English) Zbl 1446.65152 Comput. Math. Appl. 80, No. 2, 351-366 (2020). MSC: 65N22 65N30 65N12 35R11 26A33 65F10 65F55 15A69 PDF BibTeX XML Cite \textit{I. Georgieva} et al., Comput. Math. Appl. 80, No. 2, 351--366 (2020; Zbl 1446.65152) Full Text: DOI
Corrêa, Maurício Rational Morita equivalence for holomorphic Poisson modules. (English) Zbl 1450.17007 Adv. Math. 372, Article ID 107297, 22 p. (2020). Reviewer: Edoardo Ballico (Povo) MSC: 17B63 53D17 70G45 37F75 PDF BibTeX XML Cite \textit{M. Corrêa}, Adv. Math. 372, Article ID 107297, 22 p. (2020; Zbl 1450.17007) Full Text: DOI
Yao, Hongmei; Ma, Li; Liu, Chunmeng; Bu, Changjiang Brualdi-type inclusion sets of \(Z\)-eigenvalues and \(l^{k, s}\)-singular values for tensors. (English) Zbl 1445.15005 Front. Math. China 15, No. 3, 601-612 (2020). MSC: 15A18 15A69 PDF BibTeX XML Cite \textit{H. Yao} et al., Front. Math. China 15, No. 3, 601--612 (2020; Zbl 1445.15005) Full Text: DOI
Mickelin, Oscar; Karaman, Sertac On algorithms for and computing with the tensor ring decomposition. (English) Zbl 07217197 Numer. Linear Algebra Appl. 27, No. 3, e2289, 24 p. (2020). MSC: 65F99 15A69 PDF BibTeX XML Cite \textit{O. Mickelin} and \textit{S. Karaman}, Numer. Linear Algebra Appl. 27, No. 3, e2289, 24 p. (2020; Zbl 07217197) Full Text: DOI
Zhao, Ruijuan; Zheng, Bing; Liang, Maolin; Xu, Yangyang A locally and cubically convergent algorithm for computing \(\mathcal{Z}\)-eigenpairs of symmetric tensors. (English) Zbl 07217194 Numer. Linear Algebra Appl. 27, No. 3, e2284, 21 p. (2020). Reviewer: John D. Dixon (Ottawa) MSC: 15A69 15A18 PDF BibTeX XML Cite \textit{R. Zhao} et al., Numer. Linear Algebra Appl. 27, No. 3, e2284, 21 p. (2020; Zbl 07217194) Full Text: DOI
Ha, Seung-Yeal; Park, Hansol From the Lohe tensor model to the Lohe Hermitian sphere model and emergent dynamics. (English) Zbl 1441.82011 SIAM J. Appl. Dyn. Syst. 19, No. 2, 1312-1342 (2020). MSC: 82C10 82C22 PDF BibTeX XML Cite \textit{S.-Y. Ha} and \textit{H. Park}, SIAM J. Appl. Dyn. Syst. 19, No. 2, 1312--1342 (2020; Zbl 1441.82011) Full Text: DOI
Sang, Caili; Chen, Zhen \(E\)-eigenvalue localization sets for tensors. (English) Zbl 1449.15017 J. Ind. Manag. Optim. 16, No. 4, 2045-2063 (2020). MSC: 15A18 15A69 15A72 15A42 PDF BibTeX XML Cite \textit{C. Sang} and \textit{Z. Chen}, J. Ind. Manag. Optim. 16, No. 4, 2045--2063 (2020; Zbl 1449.15017) Full Text: DOI
Friedland, Shmuel; Wang, Li Spectral norm of a symmetric tensor and its computation. (English) Zbl 1452.15013 Math. Comput. 89, No. 325, 2175-2215 (2020). MSC: 15A69 15A18 68W30 81P40 13P15 65H04 PDF BibTeX XML Cite \textit{S. Friedland} and \textit{L. Wang}, Math. Comput. 89, No. 325, 2175--2215 (2020; Zbl 1452.15013) Full Text: DOI
Manev, Mancho Ricci-like solitons on almost contact B-metric manifolds. (English) Zbl 1442.53034 J. Geom. Phys. 154, Article ID 103734, 8 p. (2020). Reviewer: Mircea Crâşmăreanu (Iaşi) MSC: 53C25 53D15 53C50 53D35 70G45 PDF BibTeX XML Cite \textit{M. Manev}, J. Geom. Phys. 154, Article ID 103734, 8 p. (2020; Zbl 1442.53034) Full Text: DOI
Fordy, Allan P.; Huang, Qing Superintegrable systems on 3 dimensional conformally flat spaces. (English) Zbl 07210378 J. Geom. Phys. 153, Article ID 103687, 26 p. (2020). MSC: 37J35 37J37 70G45 70G65 70H06 17B63 PDF BibTeX XML Cite \textit{A. P. Fordy} and \textit{Q. Huang}, J. Geom. Phys. 153, Article ID 103687, 26 p. (2020; Zbl 07210378) Full Text: DOI
Gao, Rui; Liu, Heguo; Zhou, Feng Symmetry classes of tensors associated with certain groups. (English) Zbl 1441.15018 Linear Algebra Appl. 602, 240-251 (2020). MSC: 15A69 20C30 15A72 PDF BibTeX XML Cite \textit{R. Gao} et al., Linear Algebra Appl. 602, 240--251 (2020; Zbl 1441.15018) Full Text: DOI
Deng, Chunli; Yao, Hongmei; Bu, Changjiang The bounds on spectral radius of nonnegative tensors via general product of tensors. (English) Zbl 1441.15016 Linear Algebra Appl. 602, 206-215 (2020). MSC: 15A69 15A18 15A21 PDF BibTeX XML Cite \textit{C. Deng} et al., Linear Algebra Appl. 602, 206--215 (2020; Zbl 1441.15016) Full Text: DOI
Zhang, Xin-Fang; Wang, Qing-Wen; Li, Tao The accelerated overrelaxation splitting method for solving symmetric tensor equations. (English) Zbl 07208233 Comput. Appl. Math. 39, No. 3, Paper No. 155, 14 p. (2020). MSC: 65 PDF BibTeX XML Cite \textit{X.-F. Zhang} et al., Comput. Appl. Math. 39, No. 3, Paper No. 155, 14 p. (2020; Zbl 07208233) Full Text: DOI
Xiong, Liang; Liu, Jianzhou \(Z\)-eigenvalue inclusion theorem of tensors and the geometric measure of entanglement of multipartite pure states. (English) Zbl 1449.15026 Comput. Appl. Math. 39, No. 2, Paper No. 135, 11 p. (2020). MSC: 15A18 15A69 15A21 PDF BibTeX XML Cite \textit{L. Xiong} and \textit{J. Liu}, Comput. Appl. Math. 39, No. 2, Paper No. 135, 11 p. (2020; Zbl 1449.15026) Full Text: DOI
Nguyên, Viêt-Anh Geometric characterization of Lyapunov exponents for Riemann surface laminations. (English) Zbl 1450.37031 J. Geom. Anal. 30, No. 3, 2442-2478 (2020). Reviewer: Vladimir Mityushev (Kraków) MSC: 37D40 37H15 57R30 30F45 53B20 70G45 PDF BibTeX XML Cite \textit{V.-A. Nguyên}, J. Geom. Anal. 30, No. 3, 2442--2478 (2020; Zbl 1450.37031) Full Text: DOI
Shil’kov, A. V. Tensor expansions of the angular particle distribution. (Russian. English summary) Zbl 1439.82059 Mat. Model. 32, No. 3, 61-80 (2020). MSC: 82D75 41A50 PDF BibTeX XML Cite \textit{A. V. Shil'kov}, Mat. Model. 32, No. 3, 61--80 (2020; Zbl 1439.82059) Full Text: DOI MNR
Jiang, Yao-Lin; Xu, Kang-Li Riemannian modified Polak-Ribière-Polyak conjugate gradient order reduced model by tensor techniques. (English) Zbl 1441.93045 SIAM J. Matrix Anal. Appl. 41, No. 2, 432-463 (2020). MSC: 93B11 93C15 53B21 PDF BibTeX XML Cite \textit{Y.-L. Jiang} and \textit{K.-L. Xu}, SIAM J. Matrix Anal. Appl. 41, No. 2, 432--463 (2020; Zbl 1441.93045) Full Text: DOI
Du, K.; Cheng, Long; Barthélémy, J. F.; Sevostianov, I.; Giraud, A.; Adessina, A. Numerical computation of compliance contribution tensor of a concave pore embedded in a transversely isotropic matrix. (English) Zbl 07205507 Int. J. Eng. Sci. 152, Article ID 103306, 24 p. (2020). MSC: 74 65 PDF BibTeX XML Cite \textit{K. Du} et al., Int. J. Eng. Sci. 152, Article ID 103306, 24 p. (2020; Zbl 07205507) Full Text: DOI
Wang, Xuezhong; Che, Maolin; Wei, Yimin Global uniqueness and solvability of tensor complementarity problems for \(\mathcal{H}_+\)-tensors. (English) Zbl 1448.15035 Numer. Algorithms 84, No. 2, 567-590 (2020). Reviewer: Jorma K. Merikoski (Tampere) MSC: 15A69 15A18 15A60 65F10 65K15 90C33 PDF BibTeX XML Cite \textit{X. Wang} et al., Numer. Algorithms 84, No. 2, 567--590 (2020; Zbl 1448.15035) Full Text: DOI
Gràcia, Xavier; Rivas, Xavier; Román-Roy, Narciso Constraint algorithm for singular field theories in the \(k\)-cosymplectic framework. (English) Zbl 1434.70047 J. Geom. Mech. 12, No. 1, 1-23 (2020). MSC: 70H45 35R01 53C15 53D99 70G45 70S05 PDF BibTeX XML Cite \textit{X. Gràcia} et al., J. Geom. Mech. 12, No. 1, 1--23 (2020; Zbl 1434.70047) Full Text: DOI
Luo, Ziyan; Qi, Liqun; Toint, Philippe L. Tensor Bernstein concentration inequalities with an application to sample estimators for high-order moments. (English) Zbl 1440.15036 Front. Math. China 15, No. 2, 367-384 (2020). MSC: 15B52 15A69 60H25 PDF BibTeX XML Cite \textit{Z. Luo} et al., Front. Math. China 15, No. 2, 367--384 (2020; Zbl 1440.15036) Full Text: DOI
Zhang, Yaxiu; Liu, Qilong; Chen, Zhen Preconditioned Jacobi type method for solving multi-linear systems with \(\mathcal{M}\)-tensors. (English) Zbl 1439.65038 Appl. Math. Lett. 104, Article ID 106287, 8 p. (2020). MSC: 65F08 65F10 PDF BibTeX XML Cite \textit{Y. Zhang} et al., Appl. Math. Lett. 104, Article ID 106287, 8 p. (2020; Zbl 1439.65038) Full Text: DOI
Angelini, Elena; Chiantini, Luca On the identifiability of ternary forms. (English) Zbl 1440.14236 Linear Algebra Appl. 599, 36-65 (2020). Reviewer: Edoardo Ballico (Povo) MSC: 14N07 14J70 14C20 15A69 15A72 PDF BibTeX XML Cite \textit{E. Angelini} and \textit{L. Chiantini}, Linear Algebra Appl. 599, 36--65 (2020; Zbl 1440.14236) Full Text: DOI
Gu, Lejia; Qi, Liqun Basic positive semi-definite Hankel tensors. (English) Zbl 1437.15033 Minimax Theory Appl. 5, No. 1, 33-46 (2020). MSC: 15A69 53A45 PDF BibTeX XML Cite \textit{L. Gu} and \textit{L. Qi}, Minimax Theory Appl. 5, No. 1, 33--46 (2020; Zbl 1437.15033) Full Text: Link
Flores-Espinoza, R.; Ruíz-Pantaleón, J. C.; Vorobiev, Yu. Compatible Poisson structures on fibered 5-manifolds. (English) Zbl 07193577 Bol. Soc. Mat. Mex., III. Ser. 26, No. 1, 187-209 (2020). MSC: 53D17 53C12 70G45 PDF BibTeX XML Cite \textit{R. Flores-Espinoza} et al., Bol. Soc. Mat. Mex., III. Ser. 26, No. 1, 187--209 (2020; Zbl 07193577) Full Text: DOI
Liao, Liang; Maybank, Stephen John Generalized visual information analysis via tensorial algebra. (English) Zbl 1434.68588 J. Math. Imaging Vis. 62, No. 4, 560-584 (2020). MSC: 68T45 15A72 62H25 62H30 62H35 94A08 PDF BibTeX XML Cite \textit{L. Liao} and \textit{S. J. Maybank}, J. Math. Imaging Vis. 62, No. 4, 560--584 (2020; Zbl 1434.68588) Full Text: DOI
Pate, Thomas H. Independent multistructures, flag structures, and sets of linearly independent polar elements. (English) Zbl 1436.15028 Linear Algebra Appl. 589, 103-129 (2020). MSC: 15A69 15A63 15A15 PDF BibTeX XML Cite \textit{T. H. Pate}, Linear Algebra Appl. 589, 103--129 (2020; Zbl 1436.15028) Full Text: DOI
Zniyed, Yassine; Boyer, Rémy; de Almeida, André L. F.; Favier, Gérard High-order tensor estimation via trains of coupled third-order CP and Tucker decompositions. (English) Zbl 1437.15036 Linear Algebra Appl. 588, 304-337 (2020). MSC: 15A69 15A23 15A21 65K05 65K10 PDF BibTeX XML Cite \textit{Y. Zniyed} et al., Linear Algebra Appl. 588, 304--337 (2020; Zbl 1437.15036) Full Text: DOI
Basu, Suratno; Paul, Arjun; Saha, Arideep Corrigendum to “System of Hodge bundles and generalized opers on smooth projective varieties”. (English) Zbl 1442.14133 J. Geom. Phys. 150, Article ID 103614, 3 p. (2020). MSC: 14J60 70G45 PDF BibTeX XML Cite \textit{S. Basu} et al., J. Geom. Phys. 150, Article ID 103614, 3 p. (2020; Zbl 1442.14133) Full Text: DOI
Jackman, Connor Loose ends in a strong force 3-body problem. (English) Zbl 1434.70033 J. Geom. Phys. 150, Article ID 103613, 7 p. (2020). MSC: 70F07 37N05 70G45 37D40 PDF BibTeX XML Cite \textit{C. Jackman}, J. Geom. Phys. 150, Article ID 103613, 7 p. (2020; Zbl 1434.70033) Full Text: DOI
Mazzon, Andrea On a geometric method for the identifiability of forms. (English) Zbl 1440.14240 Boll. Unione Mat. Ital. 13, No. 1, 137-154 (2020). Reviewer: Edoardo Ballico (Povo) MSC: 14N07 15A69 PDF BibTeX XML Cite \textit{A. Mazzon}, Boll. Unione Mat. Ital. 13, No. 1, 137--154 (2020; Zbl 1440.14240) Full Text: DOI
Fernández, Mauricio On the orientation average based on central orientation density functions for polycrystalline materials. (English) Zbl 1434.74013 J. Elasticity 139, No. 2, 331-357 (2020). MSC: 74A40 74A60 74E15 74Q15 74-04 PDF BibTeX XML Cite \textit{M. Fernández}, J. Elasticity 139, No. 2, 331--357 (2020; Zbl 1434.74013) Full Text: DOI
Neff, Patrizio; Eidel, Bernhard; d’Agostino, Marco Valerio; Madeo, Angela Identification of scale-independent material parameters in the relaxed micromorphic model through model-adapted first order homogenization. (English) Zbl 1433.74014 J. Elasticity 139, No. 2, 269-298 (2020). MSC: 74A30 74Q15 74A35 74A60 74B05 74M25 PDF BibTeX XML Cite \textit{P. Neff} et al., J. Elasticity 139, No. 2, 269--298 (2020; Zbl 1433.74014) Full Text: DOI
Ha, Seung-Yeal; Park, Hansol Emergent behaviors of Lohe tensor flocks. (English) Zbl 1437.82013 J. Stat. Phys. 178, No. 5, 1268-1292 (2020). MSC: 82C10 82C22 82B26 35Q82 15A69 PDF BibTeX XML Cite \textit{S.-Y. Ha} and \textit{H. Park}, J. Stat. Phys. 178, No. 5, 1268--1292 (2020; Zbl 1437.82013) Full Text: DOI