Wang, Zhanping; Liu, Zhongkui Recollements induced by monomorphism categories. (English) Zbl 07459387 J. Algebra 594, 614-635 (2022). MSC: 18G65 18G25 16D40 16E05 PDF BibTeX XML Cite \textit{Z. Wang} and \textit{Z. Liu}, J. Algebra 594, 614--635 (2022; Zbl 07459387) Full Text: DOI OpenURL
Mao, Lixin Purity and approximation with respect to a class of morphisms. (English) Zbl 07412007 J. Algebra Appl. 20, No. 9, Article ID 2150170, 17 p. (2021). Reviewer: Blas Torrecillas (Almería) MSC: 16D10 16D90 18G25 PDF BibTeX XML Cite \textit{L. Mao}, J. Algebra Appl. 20, No. 9, Article ID 2150170, 17 p. (2021; Zbl 07412007) Full Text: DOI OpenURL
Rasouli, H.; Moghaddasi, Gh. R.; Sarvghad, N. On regular prime injectivity of \(S\)-posets. (English) Zbl 1468.20105 J. Algebr. Syst. 8, No. 2, 219-230 (2021). MSC: 20M30 20M50 18A20 PDF BibTeX XML Cite \textit{H. Rasouli} et al., J. Algebr. Syst. 8, No. 2, 219--230 (2021; Zbl 1468.20105) Full Text: DOI OpenURL
Hafezi, Rasool; Muchtadi-Alamsyah, Intan Different exact structures on the monomorphism categories. (English) Zbl 1465.18007 Appl. Categ. Struct. 29, No. 1, 31-68 (2021). MSC: 18E10 18G80 16G10 18A25 PDF BibTeX XML Cite \textit{R. Hafezi} and \textit{I. Muchtadi-Alamsyah}, Appl. Categ. Struct. 29, No. 1, 31--68 (2021; Zbl 1465.18007) Full Text: DOI arXiv OpenURL
Gao, Nan; Ma, Jing; Liu, Xuan-Yu RSS equivalences over a class of Morita rings. (English) Zbl 1471.16006 J. Algebra 573, 336-363 (2021). Reviewer: Luz Adriana Mejia Castaño (Barranquilla) MSC: 16D20 16D90 PDF BibTeX XML Cite \textit{N. Gao} et al., J. Algebra 573, 336--363 (2021; Zbl 1471.16006) Full Text: DOI OpenURL
Arroyo Paniagua, María José; Facchini, Alberto; Gran, Marino; Janelidze, George Unusual spectral categories. (English) Zbl 1465.18003 Rend. Semin. Mat. Univ. Padova 144, 13-25 (2020). MSC: 18A20 18A40 18G05 PDF BibTeX XML Cite \textit{M. J. Arroyo Paniagua} et al., Rend. Semin. Mat. Univ. Padova 144, 13--25 (2020; Zbl 1465.18003) Full Text: DOI arXiv OpenURL
Cho, Simon Categorical semantics of metric spaces and continuous logic. (English) Zbl 1462.03031 J. Symb. Log. 85, No. 3, 1044-1078 (2020). Reviewer: Sergejs Solovjovs (Praha) MSC: 03G30 03B50 06F07 18F20 18F60 54E35 PDF BibTeX XML Cite \textit{S. Cho}, J. Symb. Log. 85, No. 3, 1044--1078 (2020; Zbl 1462.03031) Full Text: DOI arXiv OpenURL
Lan, Kaiyang; Yang, Tingting Some characterizations of a class of special morphisms of modules. (Chinese. English summary) Zbl 1463.16017 J. Shandong Univ., Nat. Sci. 55, No. 8, 54-58 (2020). MSC: 16E30 PDF BibTeX XML Cite \textit{K. Lan} and \textit{T. Yang}, J. Shandong Univ., Nat. Sci. 55, No. 8, 54--58 (2020; Zbl 1463.16017) Full Text: DOI OpenURL
Shir Ali Nasab, Amir Reza; Hosseini, Seyed Naser Connectedness in a category. (English) Zbl 1446.18002 Bull. Iran. Math. Soc. 46, No. 4, 1195-1210 (2020). Reviewer: Sergejs Solovjovs (Praha) (MR4125953) MSC: 18A20 06A15 18B99 18C40 18F60 54D05 PDF BibTeX XML Cite \textit{A. R. Shir Ali Nasab} and \textit{S. N. Hosseini}, Bull. Iran. Math. Soc. 46, No. 4, 1195--1210 (2020; Zbl 1446.18002) Full Text: DOI OpenURL
Arroyo Paniagua, María José; Facchini, Alberto; Gran, Marino; Janelidze, George What is the spectral category? (English) Zbl 1440.18012 Facchini, Alberto (ed.) et al., Advances in rings, modules and factorizations. Selected papers based on the presentations at the international conference on rings and factorizations, Graz, Austria, February 19–23, 2018. Cham: Springer. Springer Proc. Math. Stat. 321, 135-152 (2020). MSC: 18E10 18N40 18A32 18-01 PDF BibTeX XML Cite \textit{M. J. Arroyo Paniagua} et al., Springer Proc. Math. Stat. 321, 135--152 (2020; Zbl 1440.18012) Full Text: DOI arXiv OpenURL
Lieberman, Michael; Positselski, Leonid; Rosický, Jiří; Vasey, Sebastien Cofibrant generation of pure monomorphisms. (English) Zbl 1466.18005 J. Algebra 560, 1297-1310 (2020). Reviewer: Amit Kuber (Kanpur) MSC: 18E05 PDF BibTeX XML Cite \textit{M. Lieberman} et al., J. Algebra 560, 1297--1310 (2020; Zbl 1466.18005) Full Text: DOI arXiv OpenURL
Väljako, Kristo Monomorphisms in the category of firm modules. (English) Zbl 1437.16005 Commun. Algebra 48, No. 4, 1528-1537 (2020). Reviewer: Luz Adriana Mejia (Barranquilla) MSC: 16D90 PDF BibTeX XML Cite \textit{K. Väljako}, Commun. Algebra 48, No. 4, 1528--1537 (2020; Zbl 1437.16005) Full Text: DOI OpenURL
Feng, Jian; Guo, Peng; Zhu, Lin A Frobenius category within the monomorphism category. (English) Zbl 1484.16012 J. Algebra 549, 249-267 (2020). Reviewer: Bin Zhu (Beijing) MSC: 16G10 PDF BibTeX XML Cite \textit{J. Feng} et al., J. Algebra 549, 249--267 (2020; Zbl 1484.16012) Full Text: DOI OpenURL
Laan, Valdis; Reimaa, Ülo Monomorphisms in categories of firm acts. (English) Zbl 1449.20057 Stud. Sci. Math. Hung. 56, No. 3, 267-279 (2019). Reviewer: Jaak Henno (Tallinn) MSC: 20M30 20M50 PDF BibTeX XML Cite \textit{V. Laan} and \textit{Ü. Reimaa}, Stud. Sci. Math. Hung. 56, No. 3, 267--279 (2019; Zbl 1449.20057) Full Text: DOI OpenURL
Zhang, Pu; Xiong, Bao-Lin Separated monic representations. II: Frobenius subcategories and RSS equivalences. (English) Zbl 1453.16012 Trans. Am. Math. Soc. 372, No. 2, 981-1021 (2019). MSC: 16G10 16G70 18G05 16E30 PDF BibTeX XML Cite \textit{P. Zhang} and \textit{B.-L. Xiong}, Trans. Am. Math. Soc. 372, No. 2, 981--1021 (2019; Zbl 1453.16012) Full Text: DOI arXiv OpenURL
Estaji, A. A.; Mobini, M. On injectivity in category of rough sets. (English) Zbl 1415.18002 Soft Comput. 23, No. 1, 27-38 (2019). MSC: 18B05 18G05 68T37 PDF BibTeX XML Cite \textit{A. A. Estaji} and \textit{M. Mobini}, Soft Comput. 23, No. 1, 27--38 (2019; Zbl 1415.18002) Full Text: DOI OpenURL
Yavari, Mahdieh; Salemkar, Ali Reza The category of generalized crossed modules. (English) Zbl 1420.18008 Categ. Gen. Algebr. Struct. Appl. 10, No. 1, 157-171 (2019). Reviewer: Veereshwar A. Hiremath (Dharwad) MSC: 18B40 16W22 PDF BibTeX XML Cite \textit{M. Yavari} and \textit{A. R. Salemkar}, Categ. Gen. Algebr. Struct. Appl. 10, No. 1, 157--171 (2019; Zbl 1420.18008) Full Text: Link OpenURL
Mao, Lixin Higher phantom morphisms with respect to a subfunctor of ext. (English) Zbl 1408.16005 Algebr. Represent. Theory 22, No. 2, 407-424 (2019). MSC: 16E30 16D90 18G25 PDF BibTeX XML Cite \textit{L. Mao}, Algebr. Represent. Theory 22, No. 2, 407--424 (2019; Zbl 1408.16005) Full Text: DOI OpenURL
Zheng, Heqing; Cheng, Zhi; Yin, Xiaobin Notes on McCoy modules. (English) Zbl 1424.16023 J. Math. Res. Appl. 38, No. 3, 247-252 (2018). MSC: 16D80 16D90 PDF BibTeX XML Cite \textit{H. Zheng} et al., J. Math. Res. Appl. 38, No. 3, 247--252 (2018; Zbl 1424.16023) Full Text: DOI OpenURL
An, Yan; Han, Gang; Si, Qinmengke On the sub-\({E_s}{T_i}(i = 1,2)\) separations in \(LF\) topological spaces. (Chinese. English summary) Zbl 1424.54019 Fuzzy Syst. Math. 32, No. 4, 82-89 (2018). MSC: 54A40 54D10 PDF BibTeX XML Cite \textit{Y. An} et al., Fuzzy Syst. Math. 32, No. 4, 82--89 (2018; Zbl 1424.54019) OpenURL
Zhang, Xia; Zhou, Yunyan On categorical aspects of \(S\)-quantales. (English) Zbl 1439.06011 Open Math. 16, 1326-1334 (2018). Reviewer: Sergejs Solovjovs (Riga) MSC: 06F05 06B23 06F07 18B99 PDF BibTeX XML Cite \textit{X. Zhang} and \textit{Y. Zhou}, Open Math. 16, 1326--1334 (2018; Zbl 1439.06011) Full Text: DOI OpenURL
Talaee, B. Essential subhypermodules and their properties. (English) Zbl 1438.16111 J. Algebra Relat. Top. 6, No. 1, 55-66 (2018). MSC: 16Y99 16D80 PDF BibTeX XML Cite \textit{B. Talaee}, J. Algebra Relat. Top. 6, No. 1, 55--66 (2018; Zbl 1438.16111) Full Text: DOI OpenURL
Czédli, Gábor Cometic functors and representing order-preserving maps by principal lattice congruences. (English) Zbl 1472.06005 Algebra Univers. 79, No. 3, Paper No. 59, 32 p. (2018). MSC: 06B10 18B35 PDF BibTeX XML Cite \textit{G. Czédli}, Algebra Univers. 79, No. 3, Paper No. 59, 32 p. (2018; Zbl 1472.06005) Full Text: DOI Link OpenURL
Guil Asensio, Pedro A.; Keskin Tütüncü, Derya; Srivastava, Ashish K. Modules invariant under monomorphisms of their envelopes. (English) Zbl 1398.16003 López-Permouth, Sergio R. (ed.) et al., Advances in rings and modules. Dedicated to Bruno J. Müller. Providence, RI: American Mathematical Society (AMS) (ISBN 978-1-4704-3555-4/pbk; 978-1-4704-4901-8/ebook). Contemporary Mathematics 715, 171-179 (2018). MSC: 16D40 16D80 PDF BibTeX XML Cite \textit{P. A. Guil Asensio} et al., Contemp. Math. 715, 171--179 (2018; Zbl 1398.16003) Full Text: DOI OpenURL
Khanjanzadeh, Zeinab; Madanshekaf, Ali Lawvere-Tierney sheaves, factorization systems, sections and \(j\)-essential monomorphisms in a topos. (English) Zbl 1448.18002 Ital. J. Pure Appl. Math. 39, 55-72 (2018). MSC: 18A32 18B25 18F20 PDF BibTeX XML Cite \textit{Z. Khanjanzadeh} and \textit{A. Madanshekaf}, Ital. J. Pure Appl. Math. 39, 55--72 (2018; Zbl 1448.18002) Full Text: arXiv Link OpenURL
Liu, Genqiang; Lu, Rencai; Zhao, Kaiming Irreducible Witt modules from Weyl modules and \(\mathfrak{gl}_n\)-modules. (English) Zbl 1426.17008 J. Algebra 511, 164-181 (2018). MSC: 17B10 17B20 17B65 17B66 17B68 PDF BibTeX XML Cite \textit{G. Liu} et al., J. Algebra 511, 164--181 (2018; Zbl 1426.17008) Full Text: DOI arXiv OpenURL
Xiong, Bao-Lin; Zhang, Pu; Zhang, Yue-Hui Bimodule monomorphism categories and RSS equivalences via cotilting modules. (English) Zbl 1440.16017 J. Algebra 503, 21-55 (2018). MSC: 16G70 16E30 PDF BibTeX XML Cite \textit{B.-L. Xiong} et al., J. Algebra 503, 21--55 (2018; Zbl 1440.16017) Full Text: DOI arXiv OpenURL
Nasseh, Saeed; Takahashi, Ryo Structure of irreducible homomorphisms to/from free modules. (English) Zbl 1396.13010 Algebr. Represent. Theory 21, No. 2, 471-485 (2018). Reviewer: Frieda Theron (Potchefstroom) MSC: 13C10 13D05 13D07 13H05 PDF BibTeX XML Cite \textit{S. Nasseh} and \textit{R. Takahashi}, Algebr. Represent. Theory 21, No. 2, 471--485 (2018; Zbl 1396.13010) Full Text: DOI arXiv OpenURL
Zheng, Bo; Tang, Moxun; Yu, Jianshe; Qiu, Junxiong Wolbachia spreading dynamics in mosquitoes with imperfect maternal transmission. (English) Zbl 1392.92113 J. Math. Biol. 76, No. 1-2, 235-263 (2018). MSC: 92D30 37N25 34D23 92D25 PDF BibTeX XML Cite \textit{B. Zheng} et al., J. Math. Biol. 76, No. 1--2, 235--263 (2018; Zbl 1392.92113) Full Text: DOI OpenURL
Zheng, Bo; Guo, Wenliang; Hu, Linchao; Huang, Mugen; Yu, Jianshe Complex Wolbachia infection dynamics in mosquitoes with imperfect maternal transmission. (English) Zbl 1375.92075 Math. Biosci. Eng. 15, No. 2, 523-541 (2018). MSC: 92D30 37N25 34D23 PDF BibTeX XML Cite \textit{B. Zheng} et al., Math. Biosci. Eng. 15, No. 2, 523--541 (2018; Zbl 1375.92075) Full Text: DOI OpenURL
Miyata, Takahisa Approximate maps characterizing injectivity and surjectivity of maps. (English) Zbl 1385.54005 Glas. Mat., III. Ser. 52, No. 1, 185-203 (2017). Reviewer: Luciano Stramaccia (Perugia) MSC: 54C56 54C25 54B30 PDF BibTeX XML Cite \textit{T. Miyata}, Glas. Mat., III. Ser. 52, No. 1, 185--203 (2017; Zbl 1385.54005) Full Text: DOI Link OpenURL
Öztunç, Simge; Mutlu, Ali; Sert, Aysun Erdoğan Monomorphism and epimorphism properties of soft categories. (English) Zbl 1376.18001 Eur. J. Pure Appl. Math. 10, No. 4, 850-857 (2017). MSC: 18B99 PDF BibTeX XML Cite \textit{S. Öztunç} et al., Eur. J. Pure Appl. Math. 10, No. 4, 850--857 (2017; Zbl 1376.18001) Full Text: Link OpenURL
Denniston, Jeffrey T.; Melton, Austin; Rodabaugh, Stephen E.; Solovyov, Sergey A. Sierpinski object for affine systems. (English) Zbl 1372.54007 Fuzzy Sets Syst. 313, 75-92 (2017). Reviewer: Salvatore Sessa (Napoli) MSC: 54A40 18B30 PDF BibTeX XML Cite \textit{J. T. Denniston} et al., Fuzzy Sets Syst. 313, 75--92 (2017; Zbl 1372.54007) Full Text: DOI arXiv OpenURL
Gao, Nan; Yin, You-Qi; Zhang, Pu Comparisons of left recollements. (English) Zbl 1370.18012 Algebr. Represent. Theory 20, No. 3, 659-673 (2017). Reviewer: Marek Golasiński (Olsztyn) MSC: 18E30 16E35 18E35 PDF BibTeX XML Cite \textit{N. Gao} et al., Algebr. Represent. Theory 20, No. 3, 659--673 (2017; Zbl 1370.18012) Full Text: DOI OpenURL
Gao, Nan; Psaroudakis, Chrysostomos Gorenstein homological aspects of monomorphism categories via Morita rings. (English) Zbl 1382.16008 Algebr. Represent. Theory 20, No. 2, 487-529 (2017). MSC: 16E65 16E10 16S50 16D20 PDF BibTeX XML Cite \textit{N. Gao} and \textit{C. Psaroudakis}, Algebr. Represent. Theory 20, No. 2, 487--529 (2017; Zbl 1382.16008) Full Text: DOI arXiv OpenURL
Bavula, V. V. The group of automorphisms of the Lie algebra of derivations of a polynomial algebra. (English) Zbl 1407.17020 J. Algebra Appl. 16, No. 5, Article ID 1750088, 8 p. (2017). MSC: 17B40 17B20 17B66 13N15 PDF BibTeX XML Cite \textit{V. V. Bavula}, J. Algebra Appl. 16, No. 5, Article ID 1750088, 8 p. (2017; Zbl 1407.17020) Full Text: DOI arXiv OpenURL
Dikranjan, Dikran; Zava, Nicolò Some categorical aspects of coarse spaces and balleans. (English) Zbl 1377.54027 Topology Appl. 225, 164-194 (2017). Reviewer: Takamitsu Yamauchi (Matsuyama) MSC: 54E15 54B17 18B30 PDF BibTeX XML Cite \textit{D. Dikranjan} and \textit{N. Zava}, Topology Appl. 225, 164--194 (2017; Zbl 1377.54027) Full Text: DOI Link OpenURL
Duckerts-Antoine, Mathieu; Gran, Marino; Janelidze, Zurab Epireflective subcategories and formal closure operators. (English) Zbl 1397.18007 Theory Appl. Categ. 32, 526-546 (2017). MSC: 18A40 08C15 18A20 18A22 18A32 18D30 PDF BibTeX XML Cite \textit{M. Duckerts-Antoine} et al., Theory Appl. Categ. 32, 526--546 (2017; Zbl 1397.18007) Full Text: arXiv EMIS OpenURL
Metere, Giuseppe Bourn-normal monomorphisms in regular Mal’tsev categories. (English) Zbl 1386.18030 Theory Appl. Categ. 32, 122-147 (2017). MSC: 18D30 18C05 08A30 PDF BibTeX XML Cite \textit{G. Metere}, Theory Appl. Categ. 32, 122--147 (2017; Zbl 1386.18030) Full Text: arXiv EMIS OpenURL
Gregorius, Hans-Rolf Effective numbers in the partitioning of biological diversity. (English) Zbl 1405.92285 J. Theor. Biol. 409, 133-147 (2016). MSC: 92D40 PDF BibTeX XML Cite \textit{H.-R. Gregorius}, J. Theor. Biol. 409, 133--147 (2016; Zbl 1405.92285) Full Text: DOI OpenURL
Dube, Themba; Ighedo, Oghenetega Higher order \(z\)-ideals in commutative rings. (English) Zbl 1389.13009 Miskolc Math. Notes 17, No. 1, 171-185 (2016). MSC: 13A15 13B30 PDF BibTeX XML Cite \textit{T. Dube} and \textit{O. Ighedo}, Miskolc Math. Notes 17, No. 1, 171--185 (2016; Zbl 1389.13009) Full Text: DOI OpenURL
Shi, Yiying; Yuan, Xuehai; Zhang, Yuchun; Zhang, Yuhong Sufficient conditions of cut sets on intuitionistic fuzzy sets. (English) Zbl 1368.03062 Cao, Bing-Yuan (ed.) et al., Fuzzy systems and operations research and management. Collected papers based on the presentations at the 7th international conference on fuzzy information and engineering, ICFIE 2014 and the 1st international conference of operations research and management, ICORM 2014, Zhuhai, China, November 7–11, 2014. Cham: Springer (ISBN 978-3-319-19104-1/pbk; 978-3-319-19105-8/ebook). Advances in Intelligent Systems and Computing 367, 85-95 (2016). MSC: 03E72 PDF BibTeX XML Cite \textit{Y. Shi} et al., Adv. Intell. Syst. Comput. 367, 85--95 (2016; Zbl 1368.03062) Full Text: DOI OpenURL
Bavula, Vladimir V. The groups of automorphisms of the Witt \(W_n\) and Virasoro Lie algebras. (English) Zbl 1389.17017 Czech. Math. J. 66, No. 4, 1129-1141 (2016). MSC: 17B40 17B20 17B66 17B65 17B30 PDF BibTeX XML Cite \textit{V. V. Bavula}, Czech. Math. J. 66, No. 4, 1129--1141 (2016; Zbl 1389.17017) Full Text: DOI arXiv Link OpenURL
Mahmoudi, Mojgan; Yavari, Mahdieh Characterizing monomorphisms of actions on directed complete posets (\(S\)-dcpo). (English) Zbl 1350.06012 Quasigroups Relat. Syst. 24, No. 1, 81-92 (2016). Reviewer: Peeter Normak (Tallinn) MSC: 06F05 18A40 20M30 20M50 PDF BibTeX XML Cite \textit{M. Mahmoudi} and \textit{M. Yavari}, Quasigroups Relat. Syst. 24, No. 1, 81--92 (2016; Zbl 1350.06012) Full Text: Link OpenURL
Song, Keyan; Zhang, Yuehui Injective objects of monomorphism categories. (English) Zbl 1344.16016 Front. Math. China 11, No. 2, 401-409 (2016). MSC: 16G20 18E30 18G05 PDF BibTeX XML Cite \textit{K. Song} and \textit{Y. Zhang}, Front. Math. China 11, No. 2, 401--409 (2016; Zbl 1344.16016) Full Text: DOI arXiv OpenURL
Borzooei, R. A.; Mobini, M.; Ebrahimi, M. M. The category of soft sets. (English) Zbl 1360.18005 J. Intell. Fuzzy Syst. 28, No. 1, 157-167 (2015). Reviewer: Lili Shen (Chengdu) MSC: 18B99 03E72 PDF BibTeX XML Cite \textit{R. A. Borzooei} et al., J. Intell. Fuzzy Syst. 28, No. 1, 157--167 (2015; Zbl 1360.18005) Full Text: DOI OpenURL
Shahbaz, Leila Order dense injectivity of \(S\)-posets. (English) Zbl 1352.06013 Categ. Gen. Algebr. Struct. Appl. 3, No. 1, 43-63 (2015). MSC: 06F05 08B30 20M30 20M50 PDF BibTeX XML Cite \textit{L. Shahbaz}, Categ. Gen. Algebr. Struct. Appl. 3, No. 1, 43--63 (2015; Zbl 1352.06013) OpenURL
Amroune, Abdelaziz; Davvaz, Bijan Many valued logic and intuitionistic fuzzy sets: a Stone theorem generalization. (English) Zbl 1323.03095 Honam Math. J. 37, No. 3, 269-279 (2015). MSC: 03G20 06E15 06D30 03E72 PDF BibTeX XML Cite \textit{A. Amroune} and \textit{B. Davvaz}, Honam Math. J. 37, No. 3, 269--279 (2015; Zbl 1323.03095) Full Text: DOI OpenURL
Martins-Ferreira, Nelson New wide classes of weakly Mal’tsev categories. (English) Zbl 1329.18006 Appl. Categ. Struct. 23, No. 5, 741-751 (2015). Reviewer: Sergejs Solovjovs (Brno) MSC: 18B30 08B05 18A20 18B25 PDF BibTeX XML Cite \textit{N. Martins-Ferreira}, Appl. Categ. Struct. 23, No. 5, 741--751 (2015; Zbl 1329.18006) Full Text: DOI OpenURL
Liu, Pin; Lu, Ming Recollements of singularity categories and monomorphism categories. (English) Zbl 1330.18016 Commun. Algebra 43, No. 6, 2443-2456 (2015). Reviewer: Estanislao Herscovich (Gières) MSC: 18E30 18E35 PDF BibTeX XML Cite \textit{P. Liu} and \textit{M. Lu}, Commun. Algebra 43, No. 6, 2443--2456 (2015; Zbl 1330.18016) Full Text: DOI OpenURL
Hattori, Tae; Kasue, Atsushi Expansion constants and hyperbolic embeddings of finite graphs. (English) Zbl 1308.05079 Mathematika 61, No. 1, 1-13 (2015). MSC: 05C60 05C40 35P15 68R10 PDF BibTeX XML Cite \textit{T. Hattori} and \textit{A. Kasue}, Mathematika 61, No. 1, 1--13 (2015; Zbl 1308.05079) Full Text: DOI OpenURL
Essaleh, Ahlem Ben Ali; Niazi, Mohsen; Peralta, Antonio M. Bilocal *-automorphisms of \(B(H)\) satisfying the 3-local property. (English) Zbl 1309.47044 Arch. Math. 104, No. 2, 157-164 (2015). MSC: 47B49 47B48 15A86 47L10 PDF BibTeX XML Cite \textit{A. B. A. Essaleh} et al., Arch. Math. 104, No. 2, 157--164 (2015; Zbl 1309.47044) Full Text: DOI arXiv OpenURL
Rasouli, Hamid Categorical properties of regular monomorphisms of \(S\)-posets. (English) Zbl 1389.18004 Eur. J. Pure Appl. Math. 7, No. 2, 166-178 (2014). MSC: 18B35 18A20 18A30 PDF BibTeX XML Cite \textit{H. Rasouli}, Eur. J. Pure Appl. Math. 7, No. 2, 166--178 (2014; Zbl 1389.18004) Full Text: Link OpenURL
Xiong, Bao-Lin; Zhang, Pu; Zhang, Yue-Hui Auslander-Reiten translations in monomorphism categories. (English) Zbl 1319.16017 Forum Math. 26, No. 3, 863-912 (2014). MSC: 16G70 16G10 16D90 18E30 PDF BibTeX XML Cite \textit{B.-L. Xiong} et al., Forum Math. 26, No. 3, 863--912 (2014; Zbl 1319.16017) Full Text: DOI arXiv OpenURL
Lockett, Deborah C.; Truss, John K. Some more notions of homomorphism-homogeneity. (English) Zbl 1300.05184 Discrete Math. 336, 69-79 (2014). MSC: 05C60 08A02 PDF BibTeX XML Cite \textit{D. C. Lockett} and \textit{J. K. Truss}, Discrete Math. 336, 69--79 (2014; Zbl 1300.05184) Full Text: DOI arXiv OpenURL
Song, Keyan; Kong, Fan; Zhang, Pu Monomorphism operator and perpendicular operator. (English) Zbl 1323.16005 Commun. Algebra 42, No. 9, 3708-3723 (2014). MSC: 16E30 16G20 16D90 16E65 16G60 PDF BibTeX XML Cite \textit{K. Song} et al., Commun. Algebra 42, No. 9, 3708--3723 (2014; Zbl 1323.16005) Full Text: DOI arXiv OpenURL
Barzegar, Hasan Sequentially complete \(S\)-acts and Baer type criteria over semigroups. (English) Zbl 1389.20086 Eur. J. Pure Appl. Math. 6, No. 2, 211-221 (2013). MSC: 20M30 20M50 18A20 18G05 PDF BibTeX XML Cite \textit{H. Barzegar}, Eur. J. Pure Appl. Math. 6, No. 2, 211--221 (2013; Zbl 1389.20086) Full Text: Link OpenURL
Ball, Richard N.; Hager, Anthony W. Frame monomorphisms and a feature of the \(l\)-group of Baire functions on a topological space. (English) Zbl 1289.06016 Commentat. Math. Univ. Carol. 54, No. 2, 141-157 (2013). Reviewer: Themba Dube (Unisa) MSC: 06D22 06F20 18A20 26A21 28A05 PDF BibTeX XML Cite \textit{R. N. Ball} and \textit{A. W. Hager}, Commentat. Math. Univ. Carol. 54, No. 2, 141--157 (2013; Zbl 1289.06016) Full Text: EMIS OpenURL
Luo, Xiu-Hua; Zhang, Pu Monic representations and Gorenstein-projective modules. (English) Zbl 1317.16010 Pac. J. Math. 264, No. 1, 163-194 (2013). Reviewer: Guodong Zhou (Shanghai) MSC: 16G10 16E65 16G20 16G50 16G60 16D90 PDF BibTeX XML Cite \textit{X.-H. Luo} and \textit{P. Zhang}, Pac. J. Math. 264, No. 1, 163--194 (2013; Zbl 1317.16010) Full Text: DOI arXiv OpenURL
Zhang, Yuehui Monomorphism categories associated with symmetric groups and parity in finite groups. (English) Zbl 1292.20006 Sci. China, Math. 56, No. 3, 525-530 (2013). MSC: 20B30 20B35 20J15 PDF BibTeX XML Cite \textit{Y. Zhang}, Sci. China, Math. 56, No. 3, 525--530 (2013; Zbl 1292.20006) Full Text: DOI OpenURL
Banaschewski, B.; Hager, A. W. Essential completeness of Archimedean \(\ell\)-groups with weak order unit. (English) Zbl 1284.06040 J. Pure Appl. Algebra 217, No. 5, 915-926 (2013). Reviewer: Jorge Picado (Coimbra) MSC: 06F15 08B30 06D22 18A20 18A40 54C30 54D60 PDF BibTeX XML Cite \textit{B. Banaschewski} and \textit{A. W. Hager}, J. Pure Appl. Algebra 217, No. 5, 915--926 (2013; Zbl 1284.06040) Full Text: DOI OpenURL
Jain, Aparna; Ajmal, Naseem Images and preimages of subobjects under the morphisms in a new category of fuzzy sets. I. (English) Zbl 1269.03053 Fuzzy Inf. Eng. 4, No. 3, 273-291 (2012). Reviewer: Jiří Močkoř (Ostrava) MSC: 03E72 18B99 PDF BibTeX XML Cite \textit{A. Jain} and \textit{N. Ajmal}, Fuzzy Inf. Eng. 4, No. 3, 273--291 (2012; Zbl 1269.03053) Full Text: DOI OpenURL
Zhang, Qiaowei; Cao, Huaixin; Lu, Ling Representation and weak representation of effect algebras. (Chinese. English summary) Zbl 1265.03074 J. Northwest Univ., Nat. Sci. Ed. 42, No. 2, 198-202 (2012). MSC: 03G12 06E05 PDF BibTeX XML Cite \textit{Q. Zhang} et al., J. Northwest Univ., Nat. Sci. Ed. 42, No. 2, 198--202 (2012; Zbl 1265.03074) OpenURL
Zhang, Hong; Tang, Jiangang; Li, Guohua \(L_b\)-coequalizers and \(L_b\)-regular epimorphisms in the category of \({\mathcal L}\)-sets and bi-induced maps. (English) Zbl 1265.18001 Chin. Q. J. Math. 27, No. 2, 169-176 (2012). MSC: 18A20 18A30 03E72 PDF BibTeX XML Cite \textit{H. Zhang} et al., Chin. Q. J. Math. 27, No. 2, 169--176 (2012; Zbl 1265.18001) OpenURL
Lin, Fucai Topological monomorphisms between free paratopological groups. (English) Zbl 1259.54005 Bull. Belg. Math. Soc. - Simon Stevin 19, No. 3, 507-521 (2012). Reviewer: Anna Giordano Bruno (Udine) MSC: 54C20 54C25 54D35 54E15 54H11 PDF BibTeX XML Cite \textit{F. Lin}, Bull. Belg. Math. Soc. - Simon Stevin 19, No. 3, 507--521 (2012; Zbl 1259.54005) Full Text: arXiv Euclid OpenURL
Bavula, Vladimir V. Every monomorphism of the Lie algebra of triangular polynomial derivations is an automorphism. (English. French summary) Zbl 1264.17014 C. R., Math., Acad. Sci. Paris 350, No. 11-12, 553-556 (2012). Reviewer: Ki-Bong Nam (Whitewater) MSC: 17B40 PDF BibTeX XML Cite \textit{V. V. Bavula}, C. R., Math., Acad. Sci. Paris 350, No. 11--12, 553--556 (2012; Zbl 1264.17014) Full Text: DOI arXiv OpenURL
Grigorenko, Olga On the \(L\)-valued categories of \(L\)-\(E\)-ordered sets. (English) Zbl 1251.03062 Kybernetika 48, No. 1, 144-164 (2012). Reviewer: Sergejs Solovjovs (Brno) MSC: 03E72 06F07 18A05 18B35 PDF BibTeX XML Cite \textit{O. Grigorenko}, Kybernetika 48, No. 1, 144--164 (2012; Zbl 1251.03062) Full Text: EuDML Link OpenURL
Chen, Xiao-Wu Three results on Frobenius categories. (English) Zbl 1244.18004 Math. Z. 270, No. 1-2, 43-58 (2012). Reviewer: Andrei Marcus (Cluj-Napoca) MSC: 18E10 16G10 16G50 18E30 PDF BibTeX XML Cite \textit{X.-W. Chen}, Math. Z. 270, No. 1--2, 43--58 (2012; Zbl 1244.18004) Full Text: DOI arXiv OpenURL
Wang, Min; Cao, Huaixin Some properties of morphisms of effect algebras. (Chinese. English summary) Zbl 1265.06025 Basic Sci. J. Text. Univ. 24, No. 4, 505-509 (2011). MSC: 06C15 03G12 06B10 PDF BibTeX XML Cite \textit{M. Wang} and \textit{H. Cao}, Basic Sci. J. Text. Univ. 24, No. 4, 505--509 (2011; Zbl 1265.06025) OpenURL
Chen, Xiao-Wu The stable monomorphism category of a Frobenius category. (English) Zbl 1276.18012 Math. Res. Lett. 18, No. 1, 125-137 (2011). MSC: 18E30 18G25 16D90 PDF BibTeX XML Cite \textit{X.-W. Chen}, Math. Res. Lett. 18, No. 1, 125--137 (2011; Zbl 1276.18012) Full Text: DOI arXiv OpenURL
Zhang, Pu Monomorphism categories, cotilting theory, and Gorenstein-projective modules. (English) Zbl 1275.16013 J. Algebra 339, No. 1, 181-202 (2011). MSC: 16G10 16D90 16E30 16E65 16G50 16G60 PDF BibTeX XML Cite \textit{P. Zhang}, J. Algebra 339, No. 1, 181--202 (2011; Zbl 1275.16013) Full Text: DOI arXiv OpenURL
Al Shumrani, M. A. Categories with strong monomorphic strong coimages. (English) Zbl 1251.18002 Missouri J. Math. Sci. 23, No. 2, 173-181 (2011). Reviewer: Florentina Chirteş (Craiova) MSC: 18A20 PDF BibTeX XML Cite \textit{M. A. Al Shumrani}, Missouri J. Math. Sci. 23, No. 2, 173--181 (2011; Zbl 1251.18002) OpenURL
Zhang, Hong; Tang, Jian Gang; Li, Guo Hua \(L_b\)-equalizer and \(L_b\)-regular monomorphism in the bi-induced mapping type of category of \({\mathcal L}\) sets. (English) Zbl 1245.18002 J. Fuzzy Math. 19, No. 2, 323-330 (2011). MSC: 18B99 03E72 PDF BibTeX XML Cite \textit{H. Zhang} et al., J. Fuzzy Math. 19, No. 2, 323--330 (2011; Zbl 1245.18002) OpenURL
Mahmoudi, Mojgan; Shahbaz, Leila Categorical properties of sequentially dense monomorphisms of semigroup acts. (English) Zbl 1236.18003 Taiwanese J. Math. 15, No. 2, 543-557 (2011). Reviewer: Peeter Normak (Tallinn) MSC: 18A20 18A30 20M30 20M50 PDF BibTeX XML Cite \textit{M. Mahmoudi} and \textit{L. Shahbaz}, Taiwanese J. Math. 15, No. 2, 543--557 (2011; Zbl 1236.18003) Full Text: DOI OpenURL
Dikranjan, Dikran; Shakhmatov, Dmitri Hewitt-Marczewski-Pondiczery type theorem for Abelian groups and Markov’s potential density. (English) Zbl 1208.22001 Proc. Am. Math. Soc. 138, No. 8, 2979-2990 (2010). Reviewer: Lydia Außenhofer (Eichstätt) MSC: 22A05 20K99 22C05 54A25 54B10 54D65 PDF BibTeX XML Cite \textit{D. Dikranjan} and \textit{D. Shakhmatov}, Proc. Am. Math. Soc. 138, No. 8, 2979--2990 (2010; Zbl 1208.22001) Full Text: DOI arXiv OpenURL
Ciobanu, Laura; Ould Houcine, Abderezak The monomorphism problem in free groups. (English) Zbl 1198.20022 Arch. Math. 94, No. 5, 423-434 (2010). Reviewer: Gerald Williams (Colchester) MSC: 20E05 20F10 20E36 68Q17 68Q25 PDF BibTeX XML Cite \textit{L. Ciobanu} and \textit{A. Ould Houcine}, Arch. Math. 94, No. 5, 423--434 (2010; Zbl 1198.20022) Full Text: DOI arXiv Link OpenURL
Campión, M. J.; Candeal, J. C.; Induráin, E. Semicontinuous order-representability of topological spaces. (English) Zbl 1227.54036 Bol. Soc. Mat. Mex., III. Ser. 15, No. 1, 81-89 (2009). Reviewer: Richard G. Wilson (México) MSC: 54F05 06A05 PDF BibTeX XML Cite \textit{M. J. Campión} et al., Bol. Soc. Mat. Mex., III. Ser. 15, No. 1, 81--89 (2009; Zbl 1227.54036) OpenURL
Yu, Rongrong; Li, Shenggang Categorical properties of pre-topological spaces with some separations. (Chinese. English summary) Zbl 1212.18006 J. Shandong Univ., Nat. Sci. 44, No. 4, 15-20 (2009). MSC: 18B30 54B30 54D65 PDF BibTeX XML Cite \textit{R. Yu} and \textit{S. Li}, J. Shandong Univ., Nat. Sci. 44, No. 4, 15--20 (2009; Zbl 1212.18006) OpenURL
Lin, Huaxin The range of approximate unitary equivalence classes of homomorphisms from AH-algebras. (English) Zbl 1209.46036 Math. Z. 263, No. 4, 903-922 (2009). Reviewer: Florin P. Boca (Urbana-Champaign) MSC: 46L35 19K14 19K33 19K35 46L80 PDF BibTeX XML Cite \textit{H. Lin}, Math. Z. 263, No. 4, 903--922 (2009; Zbl 1209.46036) Full Text: DOI arXiv OpenURL
Rump, Wolfgang Elementary varieties and existence of flat covers. (English) Zbl 1189.18001 J. Algebra 322, No. 6, 2131-2149 (2009). Reviewer: Sergio Estrada (Murcia) MSC: 18C35 18E15 PDF BibTeX XML Cite \textit{W. Rump}, J. Algebra 322, No. 6, 2131--2149 (2009; Zbl 1189.18001) Full Text: DOI OpenURL
Aramayona, Javier; Leininger, Christopher J.; Souto, Juan Injections of mapping class groups. (English) Zbl 1225.57001 Geom. Topol. 13, No. 5, 2523-2541 (2009). Reviewer: Mahan Mj (Howrah) MSC: 57M07 20F34 30F60 32G15 57M60 57R50 PDF BibTeX XML Cite \textit{J. Aramayona} et al., Geom. Topol. 13, No. 5, 2523--2541 (2009; Zbl 1225.57001) Full Text: DOI arXiv OpenURL
Koceić Bilan, Nikola Bimorphisms of a pro*-category. (English) Zbl 1168.18301 Glas. Mat., III. Ser. 44, No. 1, 155-166 (2009). MSC: 18A20 55P55 PDF BibTeX XML Cite \textit{N. Koceić Bilan}, Glas. Mat., III. Ser. 44, No. 1, 155--166 (2009; Zbl 1168.18301) Full Text: DOI Link OpenURL
Liu, Luofei Homotopy monomorphisms and \(H\)-splitting in loop space fibrations. (English) Zbl 1214.55008 Topology Appl. 156, No. 4, 831-839 (2009). Reviewer: J. W. Rutter (Liverpool) MSC: 55P10 55P35 55R05 55P45 PDF BibTeX XML Cite \textit{L. Liu}, Topology Appl. 156, No. 4, 831--839 (2009; Zbl 1214.55008) Full Text: DOI OpenURL
Ball, R.; Gochev, V.; Hager, A.; Todorčević, S.; Zoble, S. Topological group criterion for \(C(X)\) in compact-open-like topologies. I. (English) Zbl 1166.54007 Topology Appl. 156, No. 4, 710-720 (2009). Reviewer: Vladimir Tkachuk (Mexico) MSC: 54C35 18A20 54A10 06F20 54D20 22A99 46A40 03E05 PDF BibTeX XML Cite \textit{R. Ball} et al., Topology Appl. 156, No. 4, 710--720 (2009; Zbl 1166.54007) Full Text: DOI OpenURL
Romila, Amalia Monomorphisms and epimorphisms in the pro\(^*\)-category of groups. (English) Zbl 1199.55008 An. Științ. Univ. Al. I. Cuza Iași, Ser. Nouă, Mat. 54, No. 2, 383-400 (2008). Reviewer: Leonard R. Rubin (Norman) MSC: 55P55 18A32 PDF BibTeX XML Cite \textit{A. Romila}, An. Științ. Univ. Al. I. Cuza Iași, Ser. Nouă, Mat. 54, No. 2, 383--400 (2008; Zbl 1199.55008) OpenURL
Koceić Bilan, Nikola Comparing monomorphisms and epimorphisms in pro and pro\(^*\)-categories. (English) Zbl 1149.18002 Topology Appl. 155, No. 16, 1840-1851 (2008). Reviewer: Philippe Gaucher (Paris) MSC: 18A32 55P55 PDF BibTeX XML Cite \textit{N. Koceić Bilan}, Topology Appl. 155, No. 16, 1840--1851 (2008; Zbl 1149.18002) Full Text: DOI OpenURL
Ball, Richard N.; Hager, Anthony W. Monomorphisms in spaces with Lindelöf filters. (English) Zbl 1174.05066 Czech. Math. J. 57, No. 1, 281-317 (2007). MSC: 05C38 15A15 05A15 15A18 PDF BibTeX XML Cite \textit{R. N. Ball} and \textit{A. W. Hager}, Czech. Math. J. 57, No. 1, 281--317 (2007; Zbl 1174.05066) Full Text: DOI EuDML Link OpenURL
Qian, Youhua On homotopy regular morphisms and covering spaces. (Chinese. English summary) Zbl 1174.55300 J. Zhejiang Norm. Univ., Nat. Sci. 30, No. 1, 46-48 (2007). MSC: 55P10 55P65 PDF BibTeX XML Cite \textit{Y. Qian}, J. Zhejiang Norm. Univ., Nat. Sci. 30, No. 1, 46--48 (2007; Zbl 1174.55300) OpenURL
Félix, Yves; Lupton, Gregory Evaluation maps in rational homotopy. (English) Zbl 1125.55006 Topology 46, No. 5, 493-506 (2007). Reviewer: Samuel Smith (Philadelphia) MSC: 55P62 55Q05 PDF BibTeX XML Cite \textit{Y. Félix} and \textit{G. Lupton}, Topology 46, No. 5, 493--506 (2007; Zbl 1125.55006) Full Text: DOI arXiv OpenURL
Dydak, J.; Ruiz del Portal, F. R. Monomorphisms and epimorphisms in pro-categories. (English) Zbl 1140.18002 Topology Appl. 154, No. 10, 2204-2222 (2007). Reviewer: Dirk Hofmann (Aveiro) MSC: 18A20 18D35 54C56 PDF BibTeX XML Cite \textit{J. Dydak} and \textit{F. R. Ruiz del Portal}, Topology Appl. 154, No. 10, 2204--2222 (2007; Zbl 1140.18002) Full Text: DOI OpenURL
Borceux, F.; Rosický, J. Purity in algebra. (English) Zbl 1116.08004 Algebra Univers. 56, No. 1, 17-35 (2007). Reviewer: Radomír Halaš (Prostejov) MSC: 08B30 18C35 08A45 PDF BibTeX XML Cite \textit{F. Borceux} and \textit{J. Rosický}, Algebra Univers. 56, No. 1, 17--35 (2007; Zbl 1116.08004) Full Text: DOI OpenURL
Kato, Kiriko Morphisms represented by monomorphisms. (English) Zbl 1106.13012 J. Pure Appl. Algebra 208, No. 1, 261-283 (2007). Reviewer: Zhan Jianming (Enshi) MSC: 13D02 13D25 16D90 PDF BibTeX XML Cite \textit{K. Kato}, J. Pure Appl. Algebra 208, No. 1, 261--283 (2007; Zbl 1106.13012) Full Text: DOI arXiv OpenURL
Picavet, Gabriel; Picavet-L’Hermitte, Martine About minimal morphisms. (English) Zbl 1127.13006 Brewer, James W. (ed.) et al., Multiplicative ideal theory in commutative algebra. A tribute to the work of Robert Gilmer. New York, NY: Springer (ISBN 978-0-387-24600-0/hbk). 369-386 (2006). Reviewer: Moshe Roitman (Haifa) MSC: 13B10 13G05 PDF BibTeX XML Cite \textit{G. Picavet} and \textit{M. Picavet-L'Hermitte}, in: Multiplicative ideal theory in commutative algebra. A tribute to the work of Robert Gilmer. New York, NY: Springer. 369--386 (2006; Zbl 1127.13006) OpenURL
Zhang, Ping; Shen, Wenhuai On equivariant homotopy pullbacks and monomorphisms. (Chinese. English summary) Zbl 1100.55502 J. South China Norm. Univ., Nat. Sci. Ed. 2006, No. 2, 33-36 (2006). MSC: 55P91 PDF BibTeX XML Cite \textit{P. Zhang} and \textit{W. Shen}, J. South China Norm. Univ., Nat. Sci. Ed. 2006, No. 2, 33--36 (2006; Zbl 1100.55502) OpenURL
Cagliari, F.; Mantovani, S. Injectivity and sections. (English) Zbl 1083.18001 J. Pure Appl. Algebra 204, No. 1, 79-89 (2006). Reviewer: Gábor Braun (Budapest) MSC: 18A25 06B35 18G05 54B30 PDF BibTeX XML Cite \textit{F. Cagliari} and \textit{S. Mantovani}, J. Pure Appl. Algebra 204, No. 1, 79--89 (2006; Zbl 1083.18001) Full Text: DOI Link OpenURL
Chentsov, A. I.; Provotar, A. I. Generalization of linear morphisms on \(N\) in topoi. (English. Russian original) Zbl 1100.18002 Cybern. Syst. Anal. 41, No. 5, 688-694 (2005); translation from Kibern. Sist. Anal. 2005, No. 5, 66-72 (2005). MSC: 18B25 PDF BibTeX XML Cite \textit{A. I. Chentsov} and \textit{A. I. Provotar}, Cybern. Syst. Anal. 41, No. 5, 688--694 (2005; Zbl 1100.18002); translation from Kibern. Sist. Anal. 2005, No. 5, 66--72 (2005) Full Text: DOI OpenURL
Cressman, Ross Stability of the replicator equation with continuous strategy space. (English) Zbl 1115.91010 Math. Soc. Sci. 50, No. 2, 127-147 (2005). MSC: 91A22 37N40 91A10 91A25 PDF BibTeX XML Cite \textit{R. Cressman}, Math. Soc. Sci. 50, No. 2, 127--147 (2005; Zbl 1115.91010) Full Text: DOI OpenURL
Janelidze, G.; Tholen, W. Facets of descent. III: Monadic descent for rings and algebras. (English) Zbl 1078.18007 Appl. Categ. Struct. 12, No. 5-6, 461-477 (2004). Reviewer: Constantin Năstăsescu (Bucureşti) MSC: 18C20 13C99 13B99 18D10 16D90 PDF BibTeX XML Cite \textit{G. Janelidze} and \textit{W. Tholen}, Appl. Categ. Struct. 12, No. 5--6, 461--477 (2004; Zbl 1078.18007) Full Text: DOI OpenURL
Peschke, George; Shen, Wenhuai When does \(P\)-localization preserve homotopy pushouts or pullbacks? (English) Zbl 1063.55010 Topology Appl. 145, No. 1-3, 1-10 (2004). Reviewer: Corina Mohorianu (Iaşi) MSC: 55P60 PDF BibTeX XML Cite \textit{G. Peschke} and \textit{W. Shen}, Topology Appl. 145, No. 1--3, 1--10 (2004; Zbl 1063.55010) Full Text: DOI OpenURL
Borceux, F.; Rosický, J. On von Neumann varieties. (English) Zbl 1057.18004 Theory Appl. Categ. 13, 5-26 (2004). Reviewer: Michel Hébert (Cairo) MSC: 18C35 08B30 16E50 PDF BibTeX XML Cite \textit{F. Borceux} and \textit{J. Rosický}, Theory Appl. Categ. 13, 5--26 (2004; Zbl 1057.18004) Full Text: EuDML EMIS OpenURL