Porter, Tim; Stasheff, Jim Representations up to coherent homotopy. (English) Zbl 1523.55020 J. Geom. Phys. 193, Article ID 104966, 15 p. (2023). Reviewer: Philippe Gaucher (Paris) MSC: 55U35 55-02 PDFBibTeX XMLCite \textit{T. Porter} and \textit{J. Stasheff}, J. Geom. Phys. 193, Article ID 104966, 15 p. (2023; Zbl 1523.55020) Full Text: DOI arXiv
Porter, Timothy Spaces as infinity-groupoids. (English) Zbl 1520.55001 Anel, Mathieu (ed.) et al., New spaces in mathematics. Formal and conceptual reflections. Cambridge: Cambridge University Press. 258-321 (2021). Reviewer: Francesco Cattafi (Würzburg) MSC: 55-02 55Qxx 55Pxx 18F20 PDFBibTeX XMLCite \textit{T. Porter}, in: New spaces in mathematics. Formal and conceptual reflections. Cambridge: Cambridge University Press. 258--321 (2021; Zbl 1520.55001) Full Text: DOI Link
Carrasco, P.; Porter, T. Coproduct of 2-crossed modules: applications to a definition of a tensor product for 2-crossed complexes. (English) Zbl 1348.18008 Collect. Math. 67, No. 3, 485-517 (2016). Reviewer: Philippe Gaucher (Paris) MSC: 18D05 18D10 18G30 55U10 55P15 PDFBibTeX XMLCite \textit{P. Carrasco} and \textit{T. Porter}, Collect. Math. 67, No. 3, 485--517 (2016; Zbl 1348.18008) Full Text: DOI
Porter, Timothy Variations on a theme of homotopy. (English. French summary) Zbl 1295.55001 Ann. Fac. Sci. Toulouse, Math. (6) 22, No. 5, 1045-1089 (2013). Reviewer: Friedrich Wilhelm Bauer (Frankfurt am Main) MSC: 55-02 55-03 01A60 55P99 55U99 55P55 PDFBibTeX XMLCite \textit{T. Porter}, Ann. Fac. Sci. Toulouse, Math. (6) 22, No. 5, 1045--1089 (2013; Zbl 1295.55001) Full Text: DOI Link
Porter, Timothy; Turaev, Vladimir Formal homotopy quantum field theories. I: Formal maps and crossed \(\mathcal{C}\)-algebras. (English) Zbl 1205.57024 J. Homotopy Relat. Struct. 3, No. 1, 113-159 (2008). Reviewer: Domenico Fiorenza (Roma) MSC: 57R56 55P99 18G50 81T45 PDFBibTeX XMLCite \textit{T. Porter} and \textit{V. Turaev}, J. Homotopy Relat. Struct. 3, No. 1, 113--159 (2008; Zbl 1205.57024) Full Text: arXiv EMIS
Porter, Timothy Formal homotopy quantum field theories. II: Simplicial formal maps. (English) Zbl 1135.18008 Davydov, Alexei (ed.) et al., Categories in algebra, geometry and mathematical physics. Conference and workshop in honor of Ross Street’s 60th birthday, Sydney and Canberra, Australia, July 11–16/July 18–21, 2005. Providence, RI: American Mathematical Society (AMS) (ISBN 978-0-8218-3970-6/pbk). Contemporary Mathematics 431, 375-403 (2007). MSC: 18G50 55P99 57R56 81T45 PDFBibTeX XMLCite \textit{T. Porter}, Contemp. Math. 431, 375--403 (2007; Zbl 1135.18008) Full Text: arXiv
Martins, Joao Faria; Porter, Timothy On Yetter’s invariant and an extension of the Dijkgraaf-Witten invariant to categorical groups. (English) Zbl 1119.18009 Theory Appl. Categ. 18, 118-150 (2007). Reviewer: Marek Golasiński (Toruń) MSC: 18F99 55P99 57M27 57R56 81T45 PDFBibTeX XMLCite \textit{J. F. Martins} and \textit{T. Porter}, Theory Appl. Categ. 18, 118--150 (2007; Zbl 1119.18009) Full Text: arXiv EuDML EMIS
Bak, A.; Brown, R.; Minian, G.; Porter, T. Global actions, groupoid atlases and applications. (English) Zbl 1129.55009 J. Homotopy Relat. Struct. 1, No. 1, 101-167 (2006). Reviewer: Bjørn Dundas (Bergen) MSC: 55U35 19D99 20L05 PDFBibTeX XMLCite \textit{A. Bak} et al., J. Homotopy Relat. Struct. 1, No. 1, 101--167 (2006; Zbl 1129.55009) Full Text: arXiv EuDML EMIS
Brown, Ronald; Kamps, K. H.; Porter, Timothy A homotopy double groupoid of a Hausdorff space. II: A van Kampen theorem. (English) Zbl 1076.18004 Theory Appl. Categ. 14, 200-220 (2005). Reviewer: Richard John Steiner (Glasgow) MSC: 18D05 20L05 55Q05 55Q35 PDFBibTeX XMLCite \textit{R. Brown} et al., Theory Appl. Categ. 14, 200--220 (2005; Zbl 1076.18004) Full Text: arXiv EuDML Link
Brown, Ronald; Bak, Anthony; Minian, G.; Porter, Timothy Groupoid atlases: an introduction. (English) Zbl 1077.20505 Cah. Topol. Géom. Différ. Catég. 46, No. 3, 183 (2005). MSC: 20L05 18B40 PDFBibTeX XMLCite \textit{R. Brown} et al., Cah. Topol. Géom. Différ. Catég. 46, No. 3, 183 (2005; Zbl 1077.20505)
Porter, Timothy Abstract homotopy theory: the interaction of category theory and homotopy theory. (English) Zbl 1369.55014 Cubo Mat. Educ. 5, No. 1, 115-165 (2003). MSC: 55U35 18D50 55P48 PDFBibTeX XMLCite \textit{T. Porter}, Cubo Mat. Educ. 5, No. 1, 115--165 (2003; Zbl 1369.55014)
Lawson, Mark V.; Matthews, Joseph; Porter, Tim The homotopy theory of inverse semigroups. (English) Zbl 1050.55004 Int. J. Algebra Comput. 12, No. 6, 755-790 (2002). Reviewer: J. Remedios (La Laguna) MSC: 55P05 20M18 55U35 PDFBibTeX XMLCite \textit{M. V. Lawson} et al., Int. J. Algebra Comput. 12, No. 6, 755--790 (2002; Zbl 1050.55004) Full Text: DOI
Brown, R.; Moore, E. J.; Porter, T.; Wensley, C. D. Crossed complexes, and free crossed resolutions for amalgamated sums and HNN-extensions of groups. (English) Zbl 1030.55013 Georgian Math. J. 9, No. 4, 623-644 (2002). Reviewer: Rick Jardine (London /Ontario) MSC: 55U05 18G50 18G10 PDFBibTeX XMLCite \textit{R. Brown} et al., Georgian Math. J. 9, No. 4, 623--644 (2002; Zbl 1030.55013) Full Text: arXiv EuDML
Kamps, K. H.; Porter, T. 2-groupoid enrichments in homotopy theory and algebra. (English) Zbl 1009.18007 \(K\)-Theory 25, No. 4, 373-409 (2002). Reviewer: Richard John Steiner (Glasgow) MSC: 18D20 55P15 18G35 18G55 55U15 20L05 18D10 55U35 18D05 PDFBibTeX XMLCite \textit{K. H. Kamps} and \textit{T. Porter}, \(K\)-Theory 25, No. 4, 373--409 (2002; Zbl 1009.18007) Full Text: DOI
Brown, Ronald; Hardie, Keith A.; Kamps, Klaus Heiner; Porter, Timothy A homotopy double groupoid of a Hausdorff space. (English) Zbl 0986.18010 Theory Appl. Categ. 10, 71-93 (2002). Reviewer: Richard John Steiner (Glasgow) MSC: 18D05 20L05 55Q35 55Q05 PDFBibTeX XMLCite \textit{R. Brown} et al., Theory Appl. Categ. 10, 71--93 (2002; Zbl 0986.18010) Full Text: EuDML EMIS
Brown, R.; Golasiński, M.; Porter, T.; Tonks, A. Spaces of maps into classifying spaces for equivariant crossed complexes. II: The general topological group case. (English) Zbl 1012.55018 \(K\)-Theory 23, No. 2, 129-155 (2001). Reviewer: Richard John Steiner (Glasgow) MSC: 55P91 55U10 18G55 20L05 PDFBibTeX XMLCite \textit{R. Brown} et al., \(K\)-Theory 23, No. 2, 129--155 (2001; Zbl 1012.55018) Full Text: DOI arXiv
Mutlu, A.; Porter, T. Freeness conditions for crossed squares and squared complexes. (English) Zbl 0983.18008 \(K\)-Theory 20, No. 4, 345-368 (2000). Reviewer: Manuel Ladra Gonzalez (Santiago) MSC: 18G55 55Q20 18D35 18G30 18G50 55Q05 PDFBibTeX XMLCite \textit{A. Mutlu} and \textit{T. Porter}, \(K\)-Theory 20, No. 4, 345--368 (2000; Zbl 0983.18008) Full Text: DOI arXiv
Porter, Tim Topological quantum field theories from homotopy \(n\)-types. (English) Zbl 1097.57501 J. Lond. Math. Soc., II. Ser. 58, No. 3, 723-732 (1998). MSC: 57R56 55N22 55U35 57N70 81T45 PDFBibTeX XMLCite \textit{T. Porter}, J. Lond. Math. Soc., II. Ser. 58, No. 3, 723--732 (1999; Zbl 1097.57501) Full Text: DOI
Ehlers, Philip John; Porter, Timothy Erratum to: “Varieties of simplicial groupoids. I: Crossed complexes”. (English) Zbl 0922.55006 J. Pure Appl. Algebra 134, No. 2, 207-209 (1999). MSC: 55P15 18G30 18G55 55U35 PDFBibTeX XMLCite \textit{P. J. Ehlers} and \textit{T. Porter}, J. Pure Appl. Algebra 134, No. 2, 207--209 (1999; Zbl 0922.55006) Full Text: DOI
Kamps, K. H.; Porter, T. A homotopy 2-groupoid from a fibration. (English) Zbl 0914.55006 Homology Homotopy Appl. 1, 79-93 (1999). Reviewer: R.J.Steiner (Glasgow) MSC: 55R05 18D05 20L05 55Q05 PDFBibTeX XMLCite \textit{K. H. Kamps} and \textit{T. Porter}, Homology Homotopy Appl. 1, 79--93 (1999; Zbl 0914.55006) Full Text: DOI EuDML EMIS
Mutlu, A.; Porter, T. Freeness conditions for 2-crossed modules and complexes. (English) Zbl 0917.18004 Theory Appl. Categ. 4, 174-194 (1998). Reviewer: S.C.Althoen (Flint) MSC: 18D35 18G30 18G50 18G55 PDFBibTeX XMLCite \textit{A. Mutlu} and \textit{T. Porter}, Theory Appl. Categ. 4, 174--194 (1998; Zbl 0917.18004) Full Text: arXiv EuDML EMIS
Mutlu, A.; Porter, T. Applications of Peiffer pairings in the Moore complex of a simplicial group. (English) Zbl 0917.18006 Theory Appl. Categ. 4, 148-173 (1998). Reviewer: S.C.Althoen (Flint) MSC: 18G30 55U10 55P10 PDFBibTeX XMLCite \textit{A. Mutlu} and \textit{T. Porter}, Theory Appl. Categ. 4, 148--173 (1998; Zbl 0917.18006) Full Text: EuDML EMIS
Cordier, Jean-Marc; Porter, Timothy Homotopy coherent category theory. (English) Zbl 0865.18006 Trans. Am. Math. Soc. 349, No. 1, 1-54 (1997). MSC: 18D20 18G30 18D05 18A30 18G10 18A40 PDFBibTeX XMLCite \textit{J.-M. Cordier} and \textit{T. Porter}, Trans. Am. Math. Soc. 349, No. 1, 1--54 (1997; Zbl 0865.18006) Full Text: DOI
Kamps, K. H.; Porter, T. Abstract homotopy and simple homotopy theory. (English) Zbl 0890.55014 Singapore: World Scientific. ix, 462 p. (1997). Reviewer: M.Golasiński (Toruń) MSC: 55U35 18G30 55U15 PDFBibTeX XMLCite \textit{K. H. Kamps} and \textit{T. Porter}, Abstract homotopy and simple homotopy theory. Singapore: World Scientific (1997; Zbl 0890.55014)
Ehlers, P. J.; Porter, T. Varieties of simplicial groupoids. I: Crossed complexes. (English) Zbl 0888.55005 J. Pure Appl. Algebra 120, No. 3, 221-233 (1997). Reviewer: K.H.Kamps (Hagen) MSC: 55P15 55U35 18G30 18G55 PDFBibTeX XMLCite \textit{P. J. Ehlers} and \textit{T. Porter}, J. Pure Appl. Algebra 120, No. 3, 221--233 (1997; Zbl 0888.55005) Full Text: DOI
Brown, R.; Golasiński, M.; Porter, T.; Tonks, A. Spaces of maps into classifying spaces for equivariant crossed complexes. (English) Zbl 0898.55009 Indag. Math., New Ser. 8, No. 2, 157-172 (1997). Reviewer: R.J.Steiner (Glasgow) MSC: 55P91 20L05 55U15 PDFBibTeX XMLCite \textit{R. Brown} et al., Indag. Math., New Ser. 8, No. 2, 157--172 (1997; Zbl 0898.55009) Full Text: DOI
Cordier, Jean-Marc; Porter, Timothy Categorical aspects of equivariant homotopy. (English) Zbl 0855.18009 Appl. Categ. Struct. 4, No. 2-3, 195-212 (1996). Reviewer: M.Golasiński (Toruń) MSC: 18D20 55P91 18G55 PDFBibTeX XMLCite \textit{J.-M. Cordier} and \textit{T. Porter}, Appl. Categ. Struct. 4, No. 2--3, 195--212 (1996; Zbl 0855.18009) Full Text: DOI
Porter, Tim Interpretations of Yetter’s notion of \(G\)-coloring: Simplicial fibre bundles and non-abelian cohomology. (English) Zbl 0893.55003 J. Knot Theory Ramifications 5, No. 5, 687-720 (1996). Reviewer: V.Abramov (Tartu) MSC: 55N22 18G30 55U10 55U40 PDFBibTeX XMLCite \textit{T. Porter}, J. Knot Theory Ramifications 5, No. 5, 687--720 (1996; Zbl 0893.55003) Full Text: DOI
Porter, Timothy \(n\)-types of simplicial groups and crossed \(n\)-cubes. (English) Zbl 0776.55012 Topology 32, No. 1, 5-24 (1993). Reviewer: M.Golasiński (Toruń) MSC: 55U35 18G30 PDFBibTeX XMLCite \textit{T. Porter}, Topology 32, No. 1, 5--24 (1993; Zbl 0776.55012) Full Text: DOI
Hernández, L. J.; Porter, T. Categorical models of \(n\)-types for pro-crossed complexes and \({\mathcal J_ n}\)-prospaces. (English) Zbl 0752.55005 Algebraic topology, Proc. Conf., S. Feliu de Guíxols/Spain 1990, Lect. Notes Math. 1509, 146-185 (1992). Reviewer: M.Golasiński (Toruń) MSC: 55P15 18G55 PDFBibTeX XMLCite \textit{L. J. Hernández} and \textit{T. Porter}, Lect. Notes Math. 1509, 146--185 (1992; Zbl 0752.55005)
Hernández, Luis Javier; Porter, Timothy An embedding theorem for proper \(n\)-types. (English) Zbl 0767.55007 Topology Appl. 48, No. 3, 215-233 (1992). Reviewer: M.Golasiński (Toruń) MSC: 55P15 55P99 55P55 PDFBibTeX XMLCite \textit{L. J. Hernández} and \textit{T. Porter}, Topology Appl. 48, No. 3, 215--233 (1992; Zbl 0767.55007) Full Text: DOI
Hardie, K. A.; Kamps, K. H.; Porter, T. The coherent homotopy category over a fixed space is a category of fractions. (English) Zbl 0751.55010 Topology Appl. 40, No. 3, 265-274 (1991). Reviewer: Friedrich Wilhelm Bauer (Frankfurt am Main) MSC: 55P99 55P10 55U35 18D05 PDFBibTeX XMLCite \textit{K. A. Hardie} et al., Topology Appl. 40, No. 3, 265--274 (1991; Zbl 0751.55010) Full Text: DOI
Korkes, F. J.; Porter, T. Nilpotent crossed modules and pro-C completions. (English) Zbl 0729.55007 Cah. Topologie Géom. Différ. Catég. 31, No. 4, 277-282 (1990). Reviewer: R.Brown (Bangor) MSC: 55P15 55P60 PDFBibTeX XMLCite \textit{F. J. Korkes} and \textit{T. Porter}, Cah. Topologie Géom. Différ. Catégoriques 31, No. 4, 277--282 (1990; Zbl 0729.55007) Full Text: Numdam EuDML
Kamps, K. H.; Porter, T. Note on bridging theorems for semisimplicial sets. (English) Zbl 0726.55004 Quaest. Math. 13, No. 3-4, 349-360 (1990). Reviewer: R.Brown (Bangor) MSC: 55P10 18G30 55U35 PDFBibTeX XMLCite \textit{K. H. Kamps} and \textit{T. Porter}, Quaest. Math. 13, No. 3--4, 349--360 (1990; Zbl 0726.55004) Full Text: DOI
Cordier, J.-M.; Porter, T. Fibrant diagrams, rectifications and a construction of Loday. (English) Zbl 0715.55012 J. Pure Appl. Algebra 67, No. 2, 111-124 (1990). Reviewer: M.Golasiński MSC: 55U10 18D20 18G30 PDFBibTeX XMLCite \textit{J. M. Cordier} and \textit{T. Porter}, J. Pure Appl. Algebra 67, No. 2, 111--124 (1990; Zbl 0715.55012) Full Text: DOI
Porter, Timothy Crossed modules, crossed n-cubes and simplicial groups. (English) Zbl 0685.18008 Bull. Soc. Math. Belg., Sér. A 41, No. 2, 393-415 (1989). Reviewer: M.Golasiński MSC: 18G30 55U10 18G50 PDFBibTeX XMLCite \textit{T. Porter}, Bull. Soc. Math. Belg., Sér. A 41, No. 2, 393--415 (1989; Zbl 0685.18008)
Hernandez, L. J.; Porter, T. Global analogues of the Brown-Grossman proper homotopy groups of an end. (English) Zbl 0669.55009 Math. Proc. Camb. Philos. Soc. 104, No. 3, 483-496 (1988). Reviewer: S.Singh MSC: 55Q70 57N65 55Q07 55Q05 55P55 PDFBibTeX XMLCite \textit{L. J. Hernandez} and \textit{T. Porter}, Math. Proc. Camb. Philos. Soc. 104, No. 3, 483--496 (1988; Zbl 0669.55009) Full Text: DOI
Hernandez, Luis J.; Porter, Timothy Proper pointed maps from \({\mathbb{R}}^{n+1}\) to a \(\sigma\)-compact space. (English) Zbl 0669.55008 Math. Proc. Camb. Philos. Soc. 103, No. 3, 457-462 (1988). Reviewer: S.Singh MSC: 55Q70 55Q07 55N07 55Q05 55P55 PDFBibTeX XMLCite \textit{L. J. Hernandez} and \textit{T. Porter}, Math. Proc. Camb. Philos. Soc. 103, No. 3, 457--462 (1988; Zbl 0669.55008) Full Text: DOI
Cordier, Jean Marc; Porter, Timothy Maps between homotopy coherent diagrams. (English) Zbl 0655.55008 Topology Appl. 28, No. 3, 255-275 (1988). Reviewer: R.Vogt MSC: 55P99 55U35 57S17 55U10 55P91 18G55 PDFBibTeX XMLCite \textit{J. M. Cordier} and \textit{T. Porter}, Topology Appl. 28, No. 3, 255--275 (1988; Zbl 0655.55008) Full Text: DOI
Porter, Timothy Erratum to: Some categorical results in the theory of crossed modules in commutative algebras. (English) Zbl 0652.16028 J. Algebra 116, No. 2, 522-523 (1988). MSC: 16B50 18A40 18G35 PDFBibTeX XMLCite \textit{T. Porter}, J. Algebra 116, No. 2, 522--523 (1988; Zbl 0652.16028) Full Text: DOI
Porter, Timothy On the two definitions of Ho(pro C). (English) Zbl 0647.18008 Topology Appl. 28, No. 3, 289-293 (1988). Reviewer: K.H.Kamps MSC: 18G55 55U35 55P55 PDFBibTeX XMLCite \textit{T. Porter}, Topology Appl. 28, No. 3, 289--293 (1988; Zbl 0647.18008) Full Text: DOI
Porter, T. Extensions, crossed modules and internal categories in categories of groups with operations. (English) Zbl 0595.18006 Proc. Edinb. Math. Soc., II. Ser. 30, 373-381 (1987). MSC: 18G55 20N99 55U35 18D35 18C05 PDFBibTeX XMLCite \textit{T. Porter}, Proc. Edinb. Math. Soc., II. Ser. 30, 373--381 (1987; Zbl 0595.18006) Full Text: DOI
Cordier, Jean-Marc; Porter, Timothy Vogt’s theorem on categories of homotopy coherent diagrams. (English) Zbl 0603.55017 Math. Proc. Camb. Philos. Soc. 100, 65-90 (1986). Reviewer: M.Golasiński MSC: 55U35 55U10 18D20 18B30 18G30 PDFBibTeX XMLCite \textit{J.-M. Cordier} and \textit{T. Porter}, Math. Proc. Camb. Philos. Soc. 100, 65--90 (1986; Zbl 0603.55017) Full Text: DOI
Porter, Timothy Crossed modules in Cat and Brown-Spencer theorem for 2-categories. (English) Zbl 0575.18006 Cah. Topol. Géom. Différ. Catégoriques 26, 381-388 (1985). Reviewer: G.Hoff MSC: 18G10 18D05 18D35 55Q99 PDFBibTeX XMLCite \textit{T. Porter}, Cah. Topologie Géom. Différ. Catégoriques 26, 381--388 (1985; Zbl 0575.18006) Full Text: Numdam EuDML
Porter, Timothy Homotopy groups for strong shape and proper homotopy. (English) Zbl 0568.55009 Suppl. Rend. Circ. Mat. Palermo, II. Ser. 4, 101-113 (1984). Reviewer: J.Segal MSC: 55P55 55Q07 55N05 54C56 PDFBibTeX XMLCite \textit{T. Porter}, Suppl. Rend. Circ. Mat. Palermo (2) 4, 101--113 (1984; Zbl 0568.55009)
Porter, Timothy Categorical shape theory. (English) Zbl 0568.55008 Suppl. Rend. Circ. Mat. Palermo, II. Ser. 4, 83-99 (1984). Reviewer: J.Segal MSC: 55P55 55N07 18D20 54C56 PDFBibTeX XMLCite \textit{T. Porter}, Suppl. Rend. Circ. Mat. Palermo (2) 4, 83--99 (1984; Zbl 0568.55008)
Porter, Timothy Cech and Steenrod homotopy and the Quigley exact couple in strong shape and proper homotopy theory. (English) Zbl 0485.55009 J. Pure Appl. Algebra 24, 303-312 (1982). MSC: 55P55 55Q07 55N07 55T05 PDFBibTeX XMLCite \textit{T. Porter}, J. Pure Appl. Algebra 24, 303--312 (1982; Zbl 0485.55009) Full Text: DOI
Porter, Timothy Une théorie categorique d’homotopie simple. (French) Zbl 0473.57010 Cah. Topol. Géom. Différ. 22, 191-199 (1981). MSC: 57Q10 55U35 PDFBibTeX XMLCite \textit{T. Porter}, Cah. Topologie Géom. Différ. Catégoriques 22, 191--199 (1981; Zbl 0473.57010) Full Text: Numdam EuDML
Cordier, J. M.; Porter, T. Introduction à la théorie de la forme. I. (French) Zbl 0411.55007 Esquisses Math. 30, 138 P. (1978). MSC: 55P55 54C56 57N25 18A25 18A30 18E25 PDFBibTeX XML
Porter, Timothy Coherent prohomotopy theory. (English) Zbl 0387.55013 Cah. Topol. Géom. Différ. 19, 3-46 (1978). MSC: 55S35 18G30 55N05 55Q99 55U99 PDFBibTeX XMLCite \textit{T. Porter}, Cah. Topologie Géom. Différ. Catégoriques 19, 3--46 (1978; Zbl 0387.55013) Full Text: Numdam EuDML
Porter, Timothy Coherent prohomotopical algebra. (English) Zbl 0364.18009 Cah. Topol. Géom. Différ. 18, 139-179 (1977). MSC: 18G35 18G30 18E99 55N05 55Q99 PDFBibTeX XMLCite \textit{T. Porter}, Cah. Topologie Géom. Différ. Catégoriques 18, 139--179 (1977; Zbl 0364.18009) Full Text: Numdam EuDML
Porter, Timothy Abstract homotopy theory in procategories. (English) Zbl 0349.18012 Cah. Topol. Géom. Différ. 17, 113-124 (1976). MSC: 18G99 55P99 55N05 55U99 PDFBibTeX XMLCite \textit{T. Porter}, Cah. Topologie Géom. Différ. Catégoriques 17, 113--124 (1976; Zbl 0349.18012) Full Text: Numdam EuDML
Porter, Timothy Une théorie des obstructions dans une categorie des diagrammes et des applications à la théorie d’homotopie de Cech, V. (French) Zbl 0337.55022 Ann. Soc. Sci. Bruxelles, Sér. I 90, 173-181 (1976). MSC: 55S35 55P99 55N05 55P20 PDFBibTeX XMLCite \textit{T. Porter}, Ann. Soc. Sci. Brux., Sér. I 90, 173--181 (1976; Zbl 0337.55022)
Porter, Timothy Une théorie des obstructions dans une categorie des diagrammes et des applications à la théorie d’homotopie de Cech, IV. (French) Zbl 0316.55020 Ann. Soc. Sci. Bruxelles, Sér. I 90, 77-87 (1976). MSC: 55S35 18B99 55P05 55N05 55P99 55R05 PDFBibTeX XMLCite \textit{T. Porter}, Ann. Soc. Sci. Brux., Sér. I 90, 77--87 (1976; Zbl 0316.55020)
Porter, Timothy Une théorie des obstructions dans une categorie des diagrammes et des applications à la théorie d’homotopie de Cech. I. (French) Zbl 0295.55008 Ann. Soc. Sci. Bruxelles, Sér. I 88, 281-291 (1974). MSC: 55N35 55N05 55P05 55P99 PDFBibTeX XMLCite \textit{T. Porter}, Ann. Soc. Sci. Brux., Sér. I 88, 281--291 (1974; Zbl 0295.55008)
Porter, T. Paired homotopy type. (English) Zbl 0291.55016 Proc. R. Ir. Acad., Sect. A 74, 103-113 (1974). MSC: 55P99 55N05 55N10 55P20 55Q99 PDFBibTeX XMLCite \textit{T. Porter}, Proc. R. Ir. Acad., Sect. A 74, 103--113 (1974; Zbl 0291.55016)
Porter, T. On the T\(_0\)-shape of the suspension of a space. (English) Zbl 0289.55013 Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 22, 847-850 (1974). MSC: 55P99 55N05 55P40 55N20 PDFBibTeX XMLCite \textit{T. Porter}, Bull. Acad. Pol. Sci., Sér. Sci. Math. Astron. Phys. 22, 847--850 (1974; Zbl 0289.55013)
Porter, T. Cech homotopy. III. (English) Zbl 0288.55005 Bull. Lond. Math. Soc. 6, 307-311 (1974). MSC: 55N05 55P99 55U10 PDFBibTeX XMLCite \textit{T. Porter}, Bull. Lond. Math. Soc. 6, 307--311 (1974; Zbl 0288.55005) Full Text: DOI
Porter, Tim Obstructions in shape theory. (English) Zbl 0284.55018 Bull. Am. Math. Soc. 79(1973), 1206-1209 (1974). MSC: 55P99 55S35 55N05 PDFBibTeX XMLCite \textit{T. Porter}, Bull. Am. Math. Soc. 79, 1206--1209 (1974; Zbl 0284.55018) Full Text: DOI
Porter, Timothy Stability results for topological spaces. (English) Zbl 0275.55022 Math. Z. 140, 1-21 (1974). MSC: 55P99 55N05 55Q05 18A30 PDFBibTeX XMLCite \textit{T. Porter}, Math. Z. 140, 1--21 (1974; Zbl 0275.55022) Full Text: DOI EuDML
Porter, T. Generalised shape theory. (English) Zbl 0274.55011 Proc. R. Ir. Acad., Sect. A 74, 33-48 (1974). MSC: 55P99 55N20 18G99 PDFBibTeX XMLCite \textit{T. Porter}, Proc. R. Ir. Acad., Sect. A 74, 33--48 (1974; Zbl 0274.55011)
Porter, Tim A Cech-Hurewicz isomorphism theorem for movable metric compacta. (English) Zbl 0274.55014 Math. Scand. 33, 90-96 (1973). MSC: 55Q99 55P99 54E45 54F15 55N05 PDFBibTeX XMLCite \textit{T. Porter}, Math. Scand. 33, 90--96 (1973; Zbl 0274.55014) Full Text: DOI EuDML
Porter, Tim Borsuk’s theory of shape and Cech homotopy. (English) Zbl 0271.55010 Math. Scand. 33, 83-89 (1973). MSC: 55P99 55N05 54E45 54B35 PDFBibTeX XMLCite \textit{T. Porter}, Math. Scand. 33, 83--89 (1973; Zbl 0271.55010) Full Text: DOI EuDML
Porter, Tim Des connexions entre la théorie de la forme et la théorie des semi- complexes. (French) Zbl 0264.55006 C. R. Acad. Sci., Paris, Sér. A 277, 357-358 (1973). MSC: 55M20 55P99 PDFBibTeX XMLCite \textit{T. Porter}, C. R. Acad. Sci., Paris, Sér. A 277, 357--358 (1973; Zbl 0264.55006)
Porter, T. Cech homotopy. II. (English) Zbl 0257.55011 J. Lond. Math. Soc., II. Ser. 6, 667-675 (1973). MSC: 55N05 55P99 55Q05 18A30 PDFBibTeX XMLCite \textit{T. Porter}, J. Lond. Math. Soc., II. Ser. 6, 667--675 (1973; Zbl 0257.55011) Full Text: DOI
Porter, T. Cech homotopy. I. (English) Zbl 0254.55012 J. Lond. Math. Soc., II. Ser. 6, 429-436 (1973). MSC: 55N05 55P99 PDFBibTeX XMLCite \textit{T. Porter}, J. Lond. Math. Soc., II. Ser. 6, 429--436 (1973; Zbl 0254.55012) Full Text: DOI
Porter, Tim Sur le type d’homotopie couple. (French) Zbl 0249.55007 C. R. Acad. Sci., Paris, Sér. A 276, 985-987 (1973). MSC: 55P99 55P15 PDFBibTeX XMLCite \textit{T. Porter}, C. R. Acad. Sci., Paris, Sér. A 276, 985--987 (1973; Zbl 0249.55007)
Porter, Tim Sur le type simple d’homotopie des groupoides. (French) Zbl 0238.20075 C. R. Acad. Sci., Paris, Sér. A 275, 381-383 (1972). MSC: 20L05 57Q10 18A10 PDFBibTeX XMLCite \textit{T. Porter}, C. R. Acad. Sci., Paris, Sér. A 275, 381--383 (1972; Zbl 0238.20075)