Dupaigne, Louis; Sirakov, Boyan; Souplet, Philippe A Liouville-type theorem for the Lane-Emden equation in a half-space. (English) Zbl 07542584 Int. Math. Res. Not. 2022, No. 12, 9024-9043 (2022). MSC: 35B53 35A01 35J25 35J61 PDF BibTeX XML Cite \textit{L. Dupaigne} et al., Int. Math. Res. Not. 2022, No. 12, 9024--9043 (2022; Zbl 07542584) Full Text: DOI OpenURL
Mou, Lei; Xu, Yanqin Lindelöfness of lexicographic products of GO-spaces. (English) Zbl 07530401 Topology Appl. 314, Article ID 108110, 9 p. (2022). MSC: 54D20 54F05 PDF BibTeX XML Cite \textit{L. Mou} and \textit{Y. Xu}, Topology Appl. 314, Article ID 108110, 9 p. (2022; Zbl 07530401) Full Text: DOI OpenURL
Kule, Memet \(\beta\)-Menger and \(\beta\)-Hurewicz spaces. (English) Zbl 07523295 Hacet. J. Math. Stat. 51, No. 1, 1-7 (2022). MSC: 54D20 54B05 54C08 PDF BibTeX XML Cite \textit{M. Kule}, Hacet. J. Math. Stat. 51, No. 1, 1--7 (2022; Zbl 07523295) Full Text: DOI OpenURL
Singh, Sumit On set-star-\(K\)-Hurewicz spaces. (English) Zbl 07522900 Bull. Belg. Math. Soc. - Simon Stevin 28, No. 3, 361-372 (2022). MSC: 54D20 54E35 PDF BibTeX XML Cite \textit{S. Singh}, Bull. Belg. Math. Soc. - Simon Stevin 28, No. 3, 361--372 (2022; Zbl 07522900) Full Text: DOI OpenURL
Fu, Xuenan; Wu, Jia-Yong Gradient estimates for a nonlinear parabolic equation with Dirichlet boundary condition. (English) Zbl 07522820 Kodai Math. J. 45, No. 1, 96-109 (2022). MSC: 35B53 35B45 35K20 35K58 58J35 PDF BibTeX XML Cite \textit{X. Fu} and \textit{J.-Y. Wu}, Kodai Math. J. 45, No. 1, 96--109 (2022; Zbl 07522820) Full Text: DOI OpenURL
Burke, Dennis K. Paracompact in \( \mathsf{ZFC}\); CWN screenable Dowker in \( \mathsf{ZF}+\mathsf{AD}\). (English) Zbl 07514740 Topology Appl. 312, Article ID 108074, 12 p. (2022). MSC: 54D20 54D15 54A35 54H05 03E60 03E25 PDF BibTeX XML Cite \textit{D. K. Burke}, Topology Appl. 312, Article ID 108074, 12 p. (2022; Zbl 07514740) Full Text: DOI OpenURL
Krupski, Mikołaj Games and hereditary baireness in hyperspaces and spaces of probability measures. (English) Zbl 07506912 J. Inst. Math. Jussieu 21, No. 3, 851-868 (2022). MSC: 54B20 54E52 60B05 91A44 54D40 54D20 54D80 PDF BibTeX XML Cite \textit{M. Krupski}, J. Inst. Math. Jussieu 21, No. 3, 851--868 (2022; Zbl 07506912) Full Text: DOI OpenURL
Martínez-Cadena, J. A.; Tamariz-Mascarúa, Á. The topology of uniform convergence on Lindelöf subsets. (English) Zbl 07506885 Topology Appl. 311, Article ID 107960, 14 p. (2022). MSC: 54C35 54D20 54E52 54E18 PDF BibTeX XML Cite \textit{J. A. Martínez-Cadena} and \textit{Á. Tamariz-Mascarúa}, Topology Appl. 311, Article ID 107960, 14 p. (2022; Zbl 07506885) Full Text: DOI OpenURL
Das, Pratulananda; Chandra, Debraj; Das, Subhankar Further applications of bornological covering properties in function spaces. (English) Zbl 07487228 Topology Appl. 310, Article ID 108005, 19 p. (2022). Reviewer: Zuquan Li (Hangzhou) MSC: 54D20 54C35 54A25 PDF BibTeX XML Cite \textit{P. Das} et al., Topology Appl. 310, Article ID 108005, 19 p. (2022; Zbl 07487228) Full Text: DOI OpenURL
Singh, Sumit On set-star-\(K\)-Menger spaces. (English) Zbl 07479512 Publ. Math. 100, No. 1-2, 87-100 (2022). MSC: 54D20 54E35 PDF BibTeX XML Cite \textit{S. Singh}, Publ. Math. 100, No. 1--2, 87--100 (2022; Zbl 07479512) Full Text: DOI OpenURL
Peng, Liang-Xue; Yang, Zhen; Dong, Hai-Hong On monotonically normal and transitively (linearly) dually discrete spaces. (English) Zbl 1483.54012 Topology Appl. 306, Article ID 107942, 17 p. (2022). Reviewer: Vladimir Tkachuk (Ciudad de México) MSC: 54D20 54E30 PDF BibTeX XML Cite \textit{L.-X. Peng} et al., Topology Appl. 306, Article ID 107942, 17 p. (2022; Zbl 1483.54012) Full Text: DOI OpenURL
Tkachuk, Vladimir V. Open discrete shrinkings in function spaces. (English) Zbl 1481.54020 J. Math. Anal. Appl. 508, No. 1, Article ID 125865, 12 p. (2022). Reviewer: Zuquan Li (Hangzhou) MSC: 54D20 54C35 PDF BibTeX XML Cite \textit{V. V. Tkachuk}, J. Math. Anal. Appl. 508, No. 1, Article ID 125865, 12 p. (2022; Zbl 1481.54020) Full Text: DOI OpenURL
Nguyen Thac Dung; Nguyen Ngoc Khanh Gradient estimates for a class of semilinear parabolic equations and their applications. (English) Zbl 1481.35094 Vietnam J. Math. 50, No. 1, 249-259 (2022). MSC: 35B45 35B53 35K58 35R01 PDF BibTeX XML Cite \textit{Nguyen Thac Dung} and \textit{Nguyen Ngoc Khanh}, Vietnam J. Math. 50, No. 1, 249--259 (2022; Zbl 1481.35094) Full Text: DOI OpenURL
Guzmán, O.; Hrušák, M.; Rodrigues, V. O.; Todorčević, S.; Tomita, A. H. Maximal almost disjoint families and pseudocompactness of hyperspaces. (English) Zbl 1484.54022 Topology Appl. 305, Article ID 107872, 24 p. (2022). Reviewer: David J. Fernández-Bretón (Ciudad de México) MSC: 54D20 03E35 54D35 03E17 54A35 54B20 PDF BibTeX XML Cite \textit{O. Guzmán} et al., Topology Appl. 305, Article ID 107872, 24 p. (2022; Zbl 1484.54022) Full Text: DOI arXiv OpenURL
Hirata, Yasushi; Yajima, Yukinobu Inequality and equality for the extent of products with a special factor. (English) Zbl 1479.54020 Topol. Proc. 59, 223-241 (2022). Reviewer: Ljubiša D. Kočinac (Niš) MSC: 54A25 54B10 54D20 54E18 PDF BibTeX XML Cite \textit{Y. Hirata} and \textit{Y. Yajima}, Topol. Proc. 59, 223--241 (2022; Zbl 1479.54020) Full Text: Link OpenURL
Leiderman, Arkady; Tkachenko, Mikhail Some properties of one-point extensions. (English) Zbl 1471.54011 Topol. Proc. 59, 195-208 (2022). Reviewer: Eliza Wajch (Siedlce) MSC: 54D35 54D40 54D20 PDF BibTeX XML Cite \textit{A. Leiderman} and \textit{M. Tkachenko}, Topol. Proc. 59, 195--208 (2022; Zbl 1471.54011) Full Text: Link OpenURL
Bennett, Harold; Davis, Sheldon; Lutzer, David A note on \(\eta_1\)-spaces. (English) Zbl 1460.54021 Topol. Proc. 59, 25-50 (2022). Reviewer: Thomas Richmond (Bowling Green) MSC: 54F05 54G15 54D20 PDF BibTeX XML Cite \textit{H. Bennett} et al., Topol. Proc. 59, 25--50 (2022; Zbl 1460.54021) Full Text: Link OpenURL
Chauhan, Harsh V. S.; Singh, Beenu On almost Hurewicz property in bitopological spaces. (English) Zbl 07544693 Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 70, No. 1, 74-81 (2021). MSC: 54D20 54E55 PDF BibTeX XML Cite \textit{H. V. S. Chauhan} and \textit{B. Singh}, Commun. Fac. Sci. Univ. Ank., Sér. A1, Math. Stat. 70, No. 1, 74--81 (2021; Zbl 07544693) Full Text: DOI OpenURL
Ivanov, A. A. Normal functors and paranormality. (English. Russian original) Zbl 07514318 Mosc. Univ. Math. Bull. 76, No. 6, 271-273 (2021); translation from Vestn. Mosk. Univ., Ser. I 76, No. 6, 51-53 (2021). MSC: 54D20 54E35 54B30 PDF BibTeX XML Cite \textit{A. A. Ivanov}, Mosc. Univ. Math. Bull. 76, No. 6, 271--273 (2021; Zbl 07514318); translation from Vestn. Mosk. Univ., Ser. I 76, No. 6, 51--53 (2021) Full Text: DOI OpenURL
Al-shami, Tareq M.; Mhemdi, Abdelwaheb; Rawshdeh, Amani A.; Al-jarrah, Heyam H. Soft version of compact and Lindelöf spaces using soft somewhere dense sets. (English) Zbl 1485.54009 AIMS Math. 6, No. 8, 8064-8077 (2021). MSC: 54A40 54D20 54D30 PDF BibTeX XML Cite \textit{T. M. Al-shami} et al., AIMS Math. 6, No. 8, 8064--8077 (2021; Zbl 1485.54009) Full Text: DOI OpenURL
Krishnaveni, K. \(bT^\mu\)-Hausdorff spaces in supra topological spaces. (English) Zbl 07504948 Poincare J. Anal. Appl. 8, No. 1, 33-40 (2021). MSC: 54D15 54D20 PDF BibTeX XML Cite \textit{K. Krishnaveni}, Poincare J. Anal. Appl. 8, No. 1, 33--40 (2021; Zbl 07504948) Full Text: DOI OpenURL
Salleh, Zabidin; Kılıçman, Adem Mappings and decompositions of pairwise continuity on \((i, j)\)-almost Lindelöf and \((i, j)\)-weakly Lindelöf spaces. (English) Zbl 1484.54030 Proyecciones 40, No. 4, 815-836 (2021). MSC: 54E55 54B05 54C08 54D20 PDF BibTeX XML Cite \textit{Z. Salleh} and \textit{A. Kılıçman}, Proyecciones 40, No. 4, 815--836 (2021; Zbl 1484.54030) Full Text: DOI OpenURL
Mohamadian, Rostam Locally constant functions and \(oc\)-paracompact spaces. (Persian. English summary) Zbl 07481972 JAMM, J. Adv. Math. Model. 11, No. 1, 40-48 (2021). MSC: 54C40 54D20 54A05 PDF BibTeX XML Cite \textit{R. Mohamadian}, JAMM, J. Adv. Math. Model. 11, No. 1, 40--48 (2021; Zbl 07481972) Full Text: DOI OpenURL
Keremedis, Kyriakos; Wajch, Eliza Denumerable cellular families in \(\mathbf{ZF}\). (English) Zbl 07478506 Port. Math. (N.S.) 78, No. 3-4, 281-321 (2021). MSC: 03E25 03E35 54A35 54D20 54D70 54E52 PDF BibTeX XML Cite \textit{K. Keremedis} and \textit{E. Wajch}, Port. Math. (N.S.) 78, No. 3--4, 281--321 (2021; Zbl 07478506) Full Text: DOI OpenURL
Bagchi, Kallol Bhandhu Some covering properties using maximal open covers. (English) Zbl 1484.54021 Mat. Bilt. 45, No. 2, 119-125 (2021). MSC: 54D20 54D10 54D15 PDF BibTeX XML Cite \textit{K. B. Bagchi}, Mat. Bilt. 45, No. 2, 119--125 (2021; Zbl 1484.54021) Full Text: DOI OpenURL
Song, Yan-Kui; Xuan, Wei-Feng Notes on star covering properties. (English) Zbl 1484.54024 Quaest. Math. 44, No. 12, 1773-1781 (2021). Reviewer: Richard G. Wilson (Ciudad de México) MSC: 54D20 54D99 PDF BibTeX XML Cite \textit{Y.-K. Song} and \textit{W.-F. Xuan}, Quaest. Math. 44, No. 12, 1773--1781 (2021; Zbl 1484.54024) Full Text: DOI OpenURL
Lin, JingLing; Lin, Fucai; Liu, Chuan Hyperspace of finite unions of convergent sequences. (English) Zbl 07452881 Stud. Sci. Math. Hung. 58, No. 4, 433-456 (2021). Reviewer: Heinz-Peter Butzmann (Mannheim) MSC: 54A20 40B99 54A25 54B20 54D20 54D25 54E20 PDF BibTeX XML Cite \textit{J. Lin} et al., Stud. Sci. Math. Hung. 58, No. 4, 433--456 (2021; Zbl 07452881) Full Text: DOI arXiv OpenURL
Mukharjee, Ajoy; Kumar Saha, Pratap On nearly compact spaces via pre-open sets. (English) Zbl 07451182 Jordan J. Math. Stat. 14, No. 3, 493-503 (2021). MSC: 54D20 54A05 54D30 PDF BibTeX XML Cite \textit{A. Mukharjee} and \textit{P. Kumar Saha}, Jordan J. Math. Stat. 14, No. 3, 493--503 (2021; Zbl 07451182) Full Text: DOI OpenURL
Gruenhage, Gary Some remarks on Washek Pfeffer’s contributions in general topology. (English) Zbl 1479.54001 Real Anal. Exch. 46, No. 2, 297-300 (2021). MSC: 54-02 54-03 01A70 54D20 54H05 PDF BibTeX XML Cite \textit{G. Gruenhage}, Real Anal. Exch. 46, No. 2, 297--300 (2021; Zbl 1479.54001) Full Text: DOI Link OpenURL
Bhardwaj, Manoj Star versions of Menger basis covering property and Menger measure zero spaces. (English) Zbl 07434723 Publ. Math. 99, No. 3-4, 299-316 (2021). Reviewer: Shou Lin (Ningde) MSC: 54D20 54B20 PDF BibTeX XML Cite \textit{M. Bhardwaj}, Publ. Math. 99, No. 3--4, 299--316 (2021; Zbl 07434723) Full Text: DOI OpenURL
Kočinac, Ljubiša D. R. Addendum to: “Variations of classical selection principles: an overview”. (English) Zbl 1477.54023 Quaest. Math. 44, No. 9, 1281-1282 (2021). MSC: 54D20 54-02 05C55 54B99 54C99 54D10 54E15 91A44 PDF BibTeX XML Cite \textit{L. D. R. Kočinac}, Quaest. Math. 44, No. 9, 1281--1282 (2021; Zbl 1477.54023) Full Text: DOI OpenURL
Kunikawa, Keita; Sakurai, Yohei Liouville theorem for heat equation Along ancient super Ricci flow via reduced geometry. (English) Zbl 07430439 J. Geom. Anal. 31, No. 12, 11899-11930 (2021). MSC: 53E20 35B53 PDF BibTeX XML Cite \textit{K. Kunikawa} and \textit{Y. Sakurai}, J. Geom. Anal. 31, No. 12, 11899--11930 (2021; Zbl 07430439) Full Text: DOI arXiv OpenURL
Singh, Sumit Set starcompact and related spaces. (English) Zbl 07430311 Afr. Mat. 32, No. 7-8, 1389-1397 (2021). MSC: 54D20 54E35 PDF BibTeX XML Cite \textit{S. Singh}, Afr. Mat. 32, No. 7--8, 1389--1397 (2021; Zbl 07430311) Full Text: DOI OpenURL
Bhardwaj, Manoj; Tyagi, B. K.; Singh, Sumit Star-Hurewicz modulo an ideal property in topological spaces. (English) Zbl 07425436 J. Indian Math. Soc., New Ser. 88, No. 1-2, 33-45 (2021). MSC: 54D20 54B20 PDF BibTeX XML Cite \textit{M. Bhardwaj} et al., J. Indian Math. Soc., New Ser. 88, No. 1--2, 33--45 (2021; Zbl 07425436) Full Text: DOI OpenURL
Jiang, Guosheng; Wang, Zhehui; Zhu, Jintian Liouville type theorems for the minimal surface equation in half space. (English) Zbl 1478.35060 J. Differ. Equations 305, 270-287 (2021). MSC: 35B53 35A09 35B50 35J93 53A10 PDF BibTeX XML Cite \textit{G. Jiang} et al., J. Differ. Equations 305, 270--287 (2021; Zbl 1478.35060) Full Text: DOI arXiv OpenURL
Singh, Sumit On star-cellular-Lindelöf spaces. (English) Zbl 1483.54004 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 4, Paper No. 190, 12 p. (2021). Reviewer: Wei-Xue Shi (Nanjing) MSC: 54A25 54D20 54E35 54D55 54F65 PDF BibTeX XML Cite \textit{S. Singh}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 4, Paper No. 190, 12 p. (2021; Zbl 1483.54004) Full Text: DOI OpenURL
Patrakeev, M. Reverse induction proof of \(\mathrm{D}\) property of the countable power of the Sorgenfrey line. (English) Zbl 07413836 Acta Math. Hung. 165, No. 1, 112-133 (2021). Reviewer: David B. Gauld (Auckland) MSC: 54D20 54B10 PDF BibTeX XML Cite \textit{M. Patrakeev}, Acta Math. Hung. 165, No. 1, 112--133 (2021; Zbl 07413836) Full Text: DOI arXiv OpenURL
Tkachuk, V. V. A note on \(\kappa\)-Fréchet-Urysohn property in function spaces. (English) Zbl 1480.54007 Bull. Belg. Math. Soc. - Simon Stevin 28, No. 1, 123-132 (2021). Reviewer: Ángel Tamariz-Mascarúa (Ciudad de México) MSC: 54A20 54C35 54D20 PDF BibTeX XML Cite \textit{V. V. Tkachuk}, Bull. Belg. Math. Soc. - Simon Stevin 28, No. 1, 123--132 (2021; Zbl 1480.54007) Full Text: DOI OpenURL
Li, Hongqiao Liouville type theorem for Hartree equations in half spaces. (Chinese. English summary) Zbl 07403534 Acta Math. Sci., Ser. A, Chin. Ed. 41, No. 2, 388-401 (2021). MSC: 35B53 35B09 35Q40 PDF BibTeX XML Cite \textit{H. Li}, Acta Math. Sci., Ser. A, Chin. Ed. 41, No. 2, 388--401 (2021; Zbl 07403534) OpenURL
Nguyen Thac Dung; Wu, Jia-Yong Gradient estimates for weighted harmonic function with Dirichlet boundary condition. (English) Zbl 1477.30058 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 213, Article ID 112498, 9 p. (2021). MSC: 30L99 31C05 58J05 35B53 PDF BibTeX XML Cite \textit{Nguyen Thac Dung} and \textit{J.-Y. Wu}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 213, Article ID 112498, 9 p. (2021; Zbl 1477.30058) Full Text: DOI arXiv OpenURL
Aguilar-Velázquez, J.; Rojas-Hernández, R. On uniformly dense Lindelöf subspaces of function spaces. (English) Zbl 1476.54010 Topology Appl. 302, Article ID 107833, 12 p. (2021). Reviewer: David B. Gauld (Auckland) MSC: 54C35 54D20 54D30 54D45 54A25 54A35 PDF BibTeX XML Cite \textit{J. Aguilar-Velázquez} and \textit{R. Rojas-Hernández}, Topology Appl. 302, Article ID 107833, 12 p. (2021; Zbl 1476.54010) Full Text: DOI OpenURL
Peng, Liang-Xue A finite product of ordinals is hereditarily dually discrete. (English) Zbl 1478.54012 Topology Appl. 302, Article ID 107820, 13 p. (2021). Reviewer: David B. Gauld (Auckland) MSC: 54D20 54G99 PDF BibTeX XML Cite \textit{L.-X. Peng}, Topology Appl. 302, Article ID 107820, 13 p. (2021; Zbl 1478.54012) Full Text: DOI OpenURL
Usuba, Toshimichi A note on \(\delta \)-strongly compact cardinals. (English) Zbl 07401523 Topology Appl. 301, Article ID 107538, 10 p. (2021). MSC: 03E55 54A25 PDF BibTeX XML Cite \textit{T. Usuba}, Topology Appl. 301, Article ID 107538, 10 p. (2021; Zbl 07401523) Full Text: DOI arXiv OpenURL
Peng, Liang-Xue; Wang, Huan A study on \(D\)-spaces and the metrizability of compact spaces with property (\(\sigma \)-A). (English) Zbl 1485.54025 Topology Appl. 301, Article ID 107534, 18 p. (2021). Reviewer: Sumit Singh (Delhi) MSC: 54D20 PDF BibTeX XML Cite \textit{L.-X. Peng} and \textit{H. Wang}, Topology Appl. 301, Article ID 107534, 18 p. (2021; Zbl 1485.54025) Full Text: DOI OpenURL
Das, Pratulananda; Pal, Sudip Kumar; Adhikary, Nayan On Cauchy condition and related notion of connectedness. (English) Zbl 1482.54021 Topology Appl. 301, Article ID 107499, 14 p. (2021). Reviewer: Jorge Vielma (Maracaibo) MSC: 54D05 54E15 54E25 54D20 54C30 54A25 PDF BibTeX XML Cite \textit{P. Das} et al., Topology Appl. 301, Article ID 107499, 14 p. (2021; Zbl 1482.54021) Full Text: DOI OpenURL
Sarsak, Mohammad S. More on \(\mu\)-semi-Lindelöf sets in \(\mu\)-spaces. (English) Zbl 1473.54002 Demonstr. Math. 54, 259-271 (2021). Reviewer: Erdal Ekici (Çanakkale) MSC: 54A05 54A10 54D20 PDF BibTeX XML Cite \textit{M. S. Sarsak}, Demonstr. Math. 54, 259--271 (2021; Zbl 1473.54002) Full Text: DOI OpenURL
Alas, O. T.; Tkachuk, V. V.; Wilson, R. G. On discrete reflexivity of Lindelöf degree and pseudocharacter. (English) Zbl 1473.54007 Topology Appl. 300, Article ID 107764, 14 p. (2021). Reviewer: Nathan Carlson (Thousand Oaks) MSC: 54A25 54C35 54B05 54D10 PDF BibTeX XML Cite \textit{O. T. Alas} et al., Topology Appl. 300, Article ID 107764, 14 p. (2021; Zbl 1473.54007) Full Text: DOI OpenURL
Singh, Sumit Further results on new star-selection principles. (English) Zbl 1476.54016 Topology Appl. 300, Article ID 107762, 11 p. (2021). Reviewer: Christopher Caruvana (Kokomo) MSC: 54D20 54E35 PDF BibTeX XML Cite \textit{S. Singh}, Topology Appl. 300, Article ID 107762, 11 p. (2021; Zbl 1476.54016) Full Text: DOI OpenURL
Tkachuk, Vladimir V. Exponential density has a bidual in function spaces. (English) Zbl 1476.54012 Eur. J. Math. 7, No. 3, 1280-1290 (2021). Reviewer: K. P. Hart (Delft) MSC: 54C35 54A25 54C05 54D20 54G20 PDF BibTeX XML Cite \textit{V. V. Tkachuk}, Eur. J. Math. 7, No. 3, 1280--1290 (2021; Zbl 1476.54012) Full Text: DOI OpenURL
Dube, Themba; Stephen, Dorca Nyamusi Mapping ideals to sublocales. (English) Zbl 1479.06001 Appl. Categ. Struct. 29, No. 4, 747-772 (2021). Reviewer: Sergejs Solovjovs (Praha) MSC: 06D22 06F07 13A15 18F70 54C30 54D20 54G10 PDF BibTeX XML Cite \textit{T. Dube} and \textit{D. N. Stephen}, Appl. Categ. Struct. 29, No. 4, 747--772 (2021; Zbl 1479.06001) Full Text: DOI OpenURL
Bhardwaj, M.; Singh, S.; Tyagi, B. K. Relative version of star-Hurewicz property. (English) Zbl 07377530 Acta Math. Hung. 164, No. 1, 85-100 (2021). Reviewer: Shou Lin (Ningde) MSC: 54D20 54B20 PDF BibTeX XML Cite \textit{M. Bhardwaj} et al., Acta Math. Hung. 164, No. 1, 85--100 (2021; Zbl 07377530) Full Text: DOI OpenURL
Babinkostova, Liljana; Scheepers, Marion Countable dimensionality, a game and the haver property. (English) Zbl 1480.91062 Proc. Am. Math. Soc. 149, No. 9, 3939-3945 (2021). Reviewer: Laszlo Zsilinszky (Pembroke) MSC: 91A44 54D20 54F45 PDF BibTeX XML Cite \textit{L. Babinkostova} and \textit{M. Scheepers}, Proc. Am. Math. Soc. 149, No. 9, 3939--3945 (2021; Zbl 1480.91062) Full Text: DOI OpenURL
Pouliasis, Stamatis Isometric composition operators for the Möbius invariant \(H^p\) norm of \(\mathrm{BMOA}\). (English) Zbl 07367050 Bull. Lond. Math. Soc. 53, No. 2, 458-469 (2021). Reviewer: Hasi Wulan (Shantou) MSC: 47B33 30H35 30C80 PDF BibTeX XML Cite \textit{S. Pouliasis}, Bull. Lond. Math. Soc. 53, No. 2, 458--469 (2021; Zbl 07367050) Full Text: DOI OpenURL
Ferrando, J. C.; López-Alfonso, S. On weakly compact sets in \(C\left( X\right) \). (English) Zbl 1473.54017 Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 38, 8 p. (2021). Reviewer: Marek Cúth (Praha) MSC: 54C35 54C05 46A50 PDF BibTeX XML Cite \textit{J. C. Ferrando} and \textit{S. López-Alfonso}, Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat., RACSAM 115, No. 2, Paper No. 38, 8 p. (2021; Zbl 1473.54017) Full Text: DOI OpenURL
Bhardwaj, Manoj; Tyagi, Brij Kishore; Singh, Sumit On \(S\mathcal{I}H\)-property and \(SS\mathcal{I}H\)-property in topological spaces. (English) Zbl 1474.54070 Khayyam J. Math. 7, No. 1, 65-76 (2021). MSC: 54D20 54B20 PDF BibTeX XML Cite \textit{M. Bhardwaj} et al., Khayyam J. Math. 7, No. 1, 65--76 (2021; Zbl 1474.54070) Full Text: DOI OpenURL
Tyagi, Brij K.; Singh, Sumit; Bhardwaj, Manoj Covering properties defined by preopen sets. (English) Zbl 1469.54016 Asian-Eur. J. Math. 14, No. 3, Article ID 2150035, 15 p. (2021). MSC: 54D20 54C08 PDF BibTeX XML Cite \textit{B. K. Tyagi} et al., Asian-Eur. J. Math. 14, No. 3, Article ID 2150035, 15 p. (2021; Zbl 1469.54016) Full Text: DOI OpenURL
Peng, Liang-Xue; Ma, Chun-Jie; Wang, Li-Jun On (monotonically) metacompact subspaces of GO-spaces and related conclusions. (English) Zbl 1465.54015 Topology Appl. 295, Article ID 107672, 18 p. (2021). Reviewer: Thomas Richmond (Bowling Green) MSC: 54D20 54E30 54F05 PDF BibTeX XML Cite \textit{L.-X. Peng} et al., Topology Appl. 295, Article ID 107672, 18 p. (2021; Zbl 1465.54015) Full Text: DOI OpenURL
Bezhanishvili, G.; Bezhanishvili, N.; Lucero-Bryan, J.; van Mill, J. Tree-like constructions in topology and modal logic. (English) Zbl 07334533 Arch. Math. Logic 60, No. 3-4, 265-299 (2021). MSC: 03B45 54G05 54G10 54G12 54D35 PDF BibTeX XML Cite \textit{G. Bezhanishvili} et al., Arch. Math. Logic 60, No. 3--4, 265--299 (2021; Zbl 07334533) Full Text: DOI OpenURL
Ávila, F.; Bezhanishvili, G.; Morandi, P. J.; Zaldívar, A. The frame of nuclei on an Alexandroff space. (English) Zbl 1485.06007 Order 38, No. 1, 67-78 (2021). Reviewer: Themba Dube (Unisa) MSC: 06D22 54D20 PDF BibTeX XML Cite \textit{F. Ávila} et al., Order 38, No. 1, 67--78 (2021; Zbl 1485.06007) Full Text: DOI arXiv OpenURL
Li, Zhouyu; Niu, Pengcheng Notes on Liouville type theorems for the stationary compressible Navier-Stokes equations. (English) Zbl 1458.35089 Appl. Math. Lett. 114, Article ID 106908, 9 p. (2021). MSC: 35B53 35Q30 PDF BibTeX XML Cite \textit{Z. Li} and \textit{P. Niu}, Appl. Math. Lett. 114, Article ID 106908, 9 p. (2021; Zbl 1458.35089) Full Text: DOI arXiv OpenURL
Dow, Alan; Stephenson, R. M. Productivity of cellular-Lindelöf spaces. (English) Zbl 1462.54031 Topology Appl. 290, Article ID 107606, 16 p. (2021). Reviewer: Ivan S. Gotchev (New Britain) MSC: 54G20 54B10 54D20 54F65 PDF BibTeX XML Cite \textit{A. Dow} and \textit{R. M. Stephenson}, Topology Appl. 290, Article ID 107606, 16 p. (2021; Zbl 1462.54031) Full Text: DOI arXiv OpenURL
Björn, Anders; Björn, Jana; Shanmugalingam, Nageswari The Liouville theorem for \(p\)-harmonic functions and quasiminimizers with finite energy. (English) Zbl 1456.35055 Math. Z. 297, No. 1-2, 827-854 (2021). MSC: 35B53 30L15 31E05 31C45 35J20 35J92 46E36 49Q20 30D40 PDF BibTeX XML Cite \textit{A. Björn} et al., Math. Z. 297, No. 1--2, 827--854 (2021; Zbl 1456.35055) Full Text: DOI arXiv OpenURL
Ferrando, J. C.; López-Pellicer, M. Covering properties of \(C_p(X)\) and \(C_k(X)\). (English) Zbl 07541434 Filomat 34, No. 11, 3575-3599 (2020). MSC: 54C30 46A03 PDF BibTeX XML Cite \textit{J. C. Ferrando} and \textit{M. López-Pellicer}, Filomat 34, No. 11, 3575--3599 (2020; Zbl 07541434) Full Text: DOI OpenURL
Al-Shami, T. M.; Asaad, B. A.; El-Gayar, M. A. Various types of supra pre-compact and supra pre-Lindelöf spaces. (English) Zbl 1481.54002 Missouri J. Math. Sci. 32, No. 1, 1-20 (2020). MSC: 54A05 54C08 54D30 54D20 PDF BibTeX XML Cite \textit{T. M. Al-Shami} et al., Missouri J. Math. Sci. 32, No. 1, 1--20 (2020; Zbl 1481.54002) Full Text: DOI Euclid OpenURL
Singh, Sumit; Tyagi, Brij K. Remarks on almost Menger and weakly Menger spaces. (English) Zbl 1479.54045 Quest. Answers Gen. Topology 38, No. 2, 127-131 (2020). MSC: 54D20 54A35 PDF BibTeX XML Cite \textit{S. Singh} and \textit{B. K. Tyagi}, Quest. Answers Gen. Topology 38, No. 2, 127--131 (2020; Zbl 1479.54045) OpenURL
Sarsak, Mohammad S. On almost \(\mu\)-Lindelöf sets in \(\mu\)-spaces. (English) Zbl 1479.54013 Quest. Answers Gen. Topology 38, No. 2, 115-126 (2020). MSC: 54A05 54A10 54D20 PDF BibTeX XML Cite \textit{M. S. Sarsak}, Quest. Answers Gen. Topology 38, No. 2, 115--126 (2020; Zbl 1479.54013) OpenURL
Singh, Sumit; Tyagi, Brij K.; Bhardwaj, Manoj Pre-Hurewicz and related spaces. (English) Zbl 1479.54047 Quest. Answers Gen. Topology 38, No. 1, 71-85 (2020). MSC: 54D20 54C08 PDF BibTeX XML Cite \textit{S. Singh} et al., Quest. Answers Gen. Topology 38, No. 1, 71--85 (2020; Zbl 1479.54047) OpenURL
Singh, Sumit; Tyagi, Brij K.; Bhardwaj, Manoj The absolutely strongly star-Hurewicz property with respect to an ideal. (English) Zbl 1479.54046 Tatra Mt. Math. Publ. 76, 81-94 (2020). Reviewer: David B. Gauld (Auckland) MSC: 54D20 54A35 PDF BibTeX XML Cite \textit{S. Singh} et al., Tatra Mt. Math. Publ. 76, 81--94 (2020; Zbl 1479.54046) Full Text: DOI OpenURL
Bhardwaj, Manoj Addendum to: “Semi-Hurewicz spaces”. (English) Zbl 07423913 Hacet. J. Math. Stat. 49, No. 6, 1904-1906 (2020). MSC: 54D20 54B20 PDF BibTeX XML Cite \textit{M. Bhardwaj}, Hacet. J. Math. Stat. 49, No. 6, 1904--1906 (2020; Zbl 07423913) Full Text: DOI OpenURL
Ullah, Hafiz; Khan, Moiz Ud Din Almost-s-Menger ditopological texture spaces. (English) Zbl 07415585 Hacet. J. Math. Stat. 49, No. 1, 303-315 (2020). MSC: 54D20 54A05 54C08 54H12 PDF BibTeX XML Cite \textit{H. Ullah} and \textit{M. U. D. Khan}, Hacet. J. Math. Stat. 49, No. 1, 303--315 (2020; Zbl 07415585) Full Text: DOI OpenURL
González Cervantes, J. Oscar On the Schwarz derivative, the Bloch space and the Dirichlet space. (English) Zbl 1475.30061 Math. Sci., Springer 14, No. 3, 235-240 (2020). MSC: 30C80 30H30 PDF BibTeX XML Cite \textit{J. O. González Cervantes}, Math. Sci., Springer 14, No. 3, 235--240 (2020; Zbl 1475.30061) Full Text: DOI OpenURL
Hu, Rong Inclusion relations between \({Q_K}(p, q)\) spaces on the unit ball. (Chinese. English summary) Zbl 1474.30176 J. Yunnan Minzu Univ., Nat. Sci. 29, No. 6, 577-581 (2020). MSC: 30C80 30C40 PDF BibTeX XML Cite \textit{R. Hu}, J. Yunnan Minzu Univ., Nat. Sci. 29, No. 6, 577--581 (2020; Zbl 1474.30176) Full Text: DOI OpenURL
Tkachuk, V. V. The extent of a weakly exponentially separable space can be arbitrarily large. (English) Zbl 1469.54024 Houston J. Math. 46, No. 3, 809-819 (2020). Reviewer: Zuquan Li (Hangzhou) MSC: 54G12 54G10 54C35 54D65 PDF BibTeX XML Cite \textit{V. V. Tkachuk}, Houston J. Math. 46, No. 3, 809--819 (2020; Zbl 1469.54024) Full Text: Link OpenURL
Zdomskyy, Lyubomyr Selection principles in the Laver, Miller, and Sacks models. (English) Zbl 07314996 Scheepers, Marion (ed.) et al., Centenary of the Borel conjecture. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 755, 229-242 (2020). MSC: 03E35 54D20 54C50 03E05 PDF BibTeX XML Cite \textit{L. Zdomskyy}, Contemp. Math. 755, 229--242 (2020; Zbl 07314996) Full Text: DOI arXiv OpenURL
Scheepers, Marion Ramsey theory and the Borel conjecture. (English) Zbl 07314993 Scheepers, Marion (ed.) et al., Centenary of the Borel conjecture. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 755, 69-113 (2020). MSC: 03E02 03E05 05D10 22A05 54D20 54G10 54H11 PDF BibTeX XML Cite \textit{M. Scheepers}, Contemp. Math. 755, 69--113 (2020; Zbl 07314993) Full Text: DOI arXiv OpenURL
Roy, B.; Noiri, T. Applications on operations on weakly compact generalized topological spaces. (English) Zbl 1457.54003 Carpathian Math. Publ. 12, No. 2, 461-467 (2020). MSC: 54A05 54D20 PDF BibTeX XML Cite \textit{B. Roy} and \textit{T. Noiri}, Carpathian Math. Publ. 12, No. 2, 461--467 (2020; Zbl 1457.54003) Full Text: DOI OpenURL
Rodríguez, José On integration in Banach spaces and total sets. (English) Zbl 1464.46051 Quaest. Math. 43, No. 5-6, 731-745 (2020). Reviewer: Olav Nygaard (Kristiansand) MSC: 46G10 28B05 46B26 46B22 PDF BibTeX XML Cite \textit{J. Rodríguez}, Quaest. Math. 43, No. 5--6, 731--745 (2020; Zbl 1464.46051) Full Text: DOI arXiv OpenURL
Li, Zhouyu; Liu, Pan; Niu, Pengcheng Remarks on Liouville type theorems for the 3D stationary MHD equations. (English) Zbl 1456.35164 Bull. Korean Math. Soc. 57, No. 5, 1151-1164 (2020). MSC: 35Q35 35B65 35B53 76W05 76D05 PDF BibTeX XML Cite \textit{Z. Li} et al., Bull. Korean Math. Soc. 57, No. 5, 1151--1164 (2020; Zbl 1456.35164) Full Text: DOI OpenURL
Uzzal Afsan, B. M. A generalization of \(\beta\)-compact space and \(\beta\)-perfect functions. (English) Zbl 1456.54005 J. Adv. Math. Stud. 13, No. 3, 264-274 (2020). MSC: 54C10 54D30 54A10 54E55 54D20 54A20 PDF BibTeX XML Cite \textit{B. M. Uzzal Afsan}, J. Adv. Math. Stud. 13, No. 3, 264--274 (2020; Zbl 1456.54005) Full Text: Link OpenURL
Juhász, I.; Soukup, L.; Szentmiklóssy, Z. On cellular-compact spaces. (English) Zbl 1474.54031 Acta Math. Hung. 162, No. 2, 549-556 (2020). Reviewer: Shou Lin (Ningde) MSC: 54A25 54A35 54D30 54D65 PDF BibTeX XML Cite \textit{I. Juhász} et al., Acta Math. Hung. 162, No. 2, 549--556 (2020; Zbl 1474.54031) Full Text: DOI OpenURL
Arhangel’skii, A. V. Generalizing dyadicity and Esenin-Vol’pin’s theorem. (English) Zbl 1458.54017 Topology Appl. 281, Article ID 107234, 7 p. (2020). Reviewer: K. P. Hart (Delft) MSC: 54E18 22A05 54A25 54B05 54D20 54D30 PDF BibTeX XML Cite \textit{A. V. Arhangel'skii}, Topology Appl. 281, Article ID 107234, 7 p. (2020; Zbl 1458.54017) Full Text: DOI OpenURL
Osipov, Alexander V. Indestructibly productively Lindelöf and Menger function spaces. (English) Zbl 1457.54014 Topology Appl. 281, Article ID 107202, 7 p. (2020). Reviewer: Zuquan Li (Hangzhou) MSC: 54C35 54D20 54C25 54C40 PDF BibTeX XML Cite \textit{A. V. Osipov}, Topology Appl. 281, Article ID 107202, 7 p. (2020; Zbl 1457.54014) Full Text: DOI arXiv OpenURL
Sakai, Masami The Menger property and \(l\)-equivalence. (English) Zbl 1455.54016 Topology Appl. 281, Article ID 107187, 6 p. (2020). MSC: 54C35 54D20 PDF BibTeX XML Cite \textit{M. Sakai}, Topology Appl. 281, Article ID 107187, 6 p. (2020; Zbl 1455.54016) Full Text: DOI OpenURL
Gabriyelyan, S. Ascoli and sequentially Ascoli spaces. (English) Zbl 1471.54008 Topology Appl. 285, Article ID 107401, 28 p. (2020). Reviewer: Salvador Hernández (Castellón) MSC: 54C35 46E40 54A05 54B05 54D20 PDF BibTeX XML Cite \textit{S. Gabriyelyan}, Topology Appl. 285, Article ID 107401, 28 p. (2020; Zbl 1471.54008) Full Text: DOI arXiv OpenURL
Martínez-Morales, J. A.; Rojas-Sánchez, A. D.; Tamariz-Mascarúa, Á. On HČ-completeness and Katětov extensions. (On HČ-completeness and Kǎtetov extensions.) (English) Zbl 1460.54016 Topology Appl. 284, Article ID 107354, 18 p. (2020). Reviewer: Robert M. Stephenson Jr. (Columbia) MSC: 54D35 54D10 54D20 54D80 PDF BibTeX XML Cite \textit{J. A. Martínez-Morales} et al., Topology Appl. 284, Article ID 107354, 18 p. (2020; Zbl 1460.54016) Full Text: DOI OpenURL
Tuyen, Luong Q.; Tuyen, Ong V. On the \(n\)-fold symmetric product of a space with a \(\sigma\)-\((P)\)-property \(cn\)-network (\(ck\)-network). (English) Zbl 07286004 Commentat. Math. Univ. Carol. 61, No. 2, 257-263 (2020). MSC: 54B20 54D20 PDF BibTeX XML Cite \textit{L. Q. Tuyen} and \textit{O. V. Tuyen}, Commentat. Math. Univ. Carol. 61, No. 2, 257--263 (2020; Zbl 07286004) Full Text: DOI OpenURL
Osipov, Alexander V. On generalization of theorems of Pestryakov. (English) Zbl 1457.54005 Topology Appl. 283, Article ID 107399, 12 p. (2020). Reviewer: David B. Gauld (Auckland) MSC: 54A25 54C35 54C30 PDF BibTeX XML Cite \textit{A. V. Osipov}, Topology Appl. 283, Article ID 107399, 12 p. (2020; Zbl 1457.54005) Full Text: DOI arXiv OpenURL
Popvassilev, Strashimir G.; Porter, John E. Monotone covering properties defined by closure-preserving operators. (English) Zbl 1470.54013 Topology Appl. 283, Article ID 107346, 10 p. (2020). Reviewer: Richard G. Wilson (Ciudad de México) MSC: 54D20 54F05 54E35 PDF BibTeX XML Cite \textit{S. G. Popvassilev} and \textit{J. E. Porter}, Topology Appl. 283, Article ID 107346, 10 p. (2020; Zbl 1470.54013) Full Text: DOI arXiv OpenURL
Tall, Franklin D. Co-analytic spaces, \(K\)-analytic spaces, and definable versions of Menger’s conjecture. (English) Zbl 1469.54008 Topology Appl. 283, Article ID 107345, 14 p. (2020). Reviewer: Samuel Gomes da Silva (Salvador) MSC: 54A35 54D45 03E35 03E75 54H05 03E15 03E60 PDF BibTeX XML Cite \textit{F. D. Tall}, Topology Appl. 283, Article ID 107345, 14 p. (2020; Zbl 1469.54008) Full Text: DOI OpenURL
Lin, Shou; Li, Jinjin; Cai, Zhangyong The establishment and development of star-Lindelöf spaces. (English) Zbl 1454.54002 Topology Appl. 283, Article ID 107341, 13 p. (2020). MSC: 54-02 54D20 54A25 PDF BibTeX XML Cite \textit{S. Lin} et al., Topology Appl. 283, Article ID 107341, 13 p. (2020; Zbl 1454.54002) Full Text: DOI OpenURL
Ferrando, Juan Carlos Existence of nice resolutions in \(C_p(X)\) and its bidual often implies metrizability of \(C_p(X)\). (English) Zbl 1477.54015 Topology Appl. 282, Article ID 107322, 12 p. (2020). Reviewer: Sandip Jana (Kolkata) MSC: 54C35 54C30 46A03 PDF BibTeX XML Cite \textit{J. C. Ferrando}, Topology Appl. 282, Article ID 107322, 12 p. (2020; Zbl 1477.54015) Full Text: DOI OpenURL
Corson, Samuel M. The independence of Stone’s theorem from the Boolean prime ideal theorem. (English) Zbl 1485.03206 Proc. Am. Math. Soc. 148, No. 12, 5381-5386 (2020). MSC: 03E25 03E35 54A35 54E35 54D20 PDF BibTeX XML Cite \textit{S. M. Corson}, Proc. Am. Math. Soc. 148, No. 12, 5381--5386 (2020; Zbl 1485.03206) Full Text: DOI arXiv OpenURL
Kočinac, Ljubiša D. R. Variations of classical selection principles: an overview. (English) Zbl 1450.54010 Quaest. Math. 43, No. 8, 1121-1153 (2020); addendum ibid. 44, No. 9, 1281-1282 (2021). MSC: 54D20 54-02 05C55 54B99 54C99 54D10 54E15 91A44 PDF BibTeX XML Cite \textit{L. D. R. Kočinac}, Quaest. Math. 43, No. 8, 1121--1153 (2020; Zbl 1450.54010) Full Text: DOI OpenURL
Pikul, Piotr Locally ordered topological spaces. (English) Zbl 1458.54023 Rep. Math. Logic 55, 113-141 (2020). Reviewer: Jorge Picado (Coimbra) MSC: 54F05 54E99 54D10 06F30 PDF BibTeX XML Cite \textit{P. Pikul}, Rep. Math. Logic 55, 113--141 (2020; Zbl 1458.54023) Full Text: DOI arXiv OpenURL
Afrooz, Sosan; Hesari, Abdolaziz; Salehi, Alireza Realcompact and Lindelöf extensions with compact remainder. (English) Zbl 1454.54014 Bull. Iran. Math. Soc. 46, No. 5, 1223-1242 (2020). Reviewer: Eliza Wajch (Siedlce) MSC: 54D35 54C40 54D60 PDF BibTeX XML Cite \textit{S. Afrooz} et al., Bull. Iran. Math. Soc. 46, No. 5, 1223--1242 (2020; Zbl 1454.54014) Full Text: DOI OpenURL
Bhardwaj, Manoj; Tyagi, B. K.; Singh, Sumit Relativization of star-\(C\)-Hurewicz property in topological spaces. (English) Zbl 1447.54020 Bull. Iran. Math. Soc. 46, No. 4, 1101-1115 (2020). Reviewer: David B. Gauld (Auckland) MSC: 54D20 54C65 PDF BibTeX XML Cite \textit{M. Bhardwaj} et al., Bull. Iran. Math. Soc. 46, No. 4, 1101--1115 (2020; Zbl 1447.54020) Full Text: DOI OpenURL
Xie, Li-Hong; Tkachenko, Mikhail G. Simply \(sm\)-factorizable (para)topological groups and their completions. (English) Zbl 1473.22003 Monatsh. Math. 193, No. 2, 507-529 (2020). Reviewer: Zhangyong Cai (Nanning) MSC: 22A05 22A30 54H11 54A25 54C30 PDF BibTeX XML Cite \textit{L.-H. Xie} and \textit{M. G. Tkachenko}, Monatsh. Math. 193, No. 2, 507--529 (2020; Zbl 1473.22003) Full Text: DOI arXiv OpenURL
Maekawa, Yasunori; Miura, Hideyuki; Prange, Christophe Estimates for the Navier-Stokes equations in the half-space for nonlocalized data. (English) Zbl 1447.35251 Anal. PDE 13, No. 4, 945-1010 (2020). MSC: 35Q30 35A01 35A02 35B44 35B53 35C99 76D03 76D05 76D07 PDF BibTeX XML Cite \textit{Y. Maekawa} et al., Anal. PDE 13, No. 4, 945--1010 (2020; Zbl 1447.35251) Full Text: DOI arXiv OpenURL
Al-shami, Tareq M.; Kočinac, Ljubiša D. R. Nearly soft Menger spaces. (English) Zbl 1479.54024 J. Math. 2020, Article ID 3807418, 9 p. (2020). Reviewer: Cihangir Alaca (Manisa) MSC: 54A40 54D20 54A05 PDF BibTeX XML Cite \textit{T. M. Al-shami} and \textit{L. D. R. Kočinac}, J. Math. 2020, Article ID 3807418, 9 p. (2020; Zbl 1479.54024) Full Text: DOI OpenURL
Singh, Sumit Remarks on set-Menger and related properties. (English) Zbl 1443.54009 Topology Appl. 280, Article ID 107278, 3 p. (2020). MSC: 54D20 54E35 PDF BibTeX XML Cite \textit{S. Singh}, Topology Appl. 280, Article ID 107278, 3 p. (2020; Zbl 1443.54009) Full Text: DOI OpenURL