Porter, Tim Obstructions in shape theory. (English) Zbl 0284.55018 Bull. Am. Math. Soc. 79(1973), 1206-1209 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 55P99 Homotopy theory 55S35 Obstruction theory in algebraic topology 55N05 Čech types PDFBibTeX XMLCite \textit{T. Porter}, Bull. Am. Math. Soc. 79, 1206--1209 (1974; Zbl 0284.55018) Full Text: DOI References: [1] Sibe Mardešić, Retracts in shape theory, Glasnik Mat. Ser. III 6(26) (1971), 153 – 163 (English, with Serbo-Croatian summary). · Zbl 0221.55014 [2] S. Mardešić, A survey of the shape theory of compacta, General topology and its relations to modern analysis and algebra, III (Proc. Third Prague Topological Sympos., 1971) Academia, Prague, 1972, pp. 291 – 300. [3] T. Porter, Čech homotopy. I, J. London Math. Soc. (2) 6 (1973), 429 – 436. · Zbl 0254.55012 · doi:10.1112/jlms/s2-6.3.429 [4] Tim Porter, Borsuk’s theory of shape and Čech homotopy, Math. Scand. 33 (1973), 83 – 89. · Zbl 0271.55010 · doi:10.7146/math.scand.a-11473 [5] Edwin H. Spanier, Algebraic topology, McGraw-Hill Book Co., New York-Toronto, Ont.-London, 1966. · Zbl 0145.43303 [6] P. Strain, Categories for abstract homotopy theory, Thesis, Cambridge, England, 1972. This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.