Cohen, Ralph L. Immersions of manifolds and homotopy theory. (English) Zbl 1511.57032 ICCM Not. 10, No. 1, 89-111 (2022). Reviewer: Marja Kankaanrinta (Helsinki) MSC: 57R42 57R40 57R19 PDFBibTeX XMLCite \textit{R. L. Cohen}, ICCM Not. 10, No. 1, 89--111 (2022; Zbl 1511.57032) Full Text: DOI
Cohen, Ralph L. Floer homotopy theory, revisited. (English) Zbl 1476.57057 Miller, Haynes (ed.), Handbook of homotopy theory. Boca Raton, FL: CRC Press. CRC Press/Chapman Hall Handb. Math. Ser., 369-404 (2020). MSC: 57R58 57K18 53D12 53D40 55P35 55P42 57Q15 57-02 53-02 55-02 PDFBibTeX XMLCite \textit{R. L. Cohen}, in: Handbook of homotopy theory. Boca Raton, FL: CRC Press. 369--404 (2020; Zbl 1476.57057) Full Text: DOI arXiv
Cohen, Ralph L.; Klang, Inbar Twisted Calabi-Yau ring spectra, string topology, and gauge symmetry. (English) Zbl 1426.55007 Tunis. J. Math. 2, No. 1, 147-196 (2020). Reviewer: Steffen Sagave (Nijmegen) MSC: 55P42 55U30 PDFBibTeX XMLCite \textit{R. L. Cohen} and \textit{I. Klang}, Tunis. J. Math. 2, No. 1, 147--196 (2020; Zbl 1426.55007) Full Text: DOI arXiv
Cohen, Ralph L.; Jones, John D. S Homotopy automorphisms of \(R\)-module bundles, and the \(K\)-theory of string topology. (English) Zbl 1373.55009 Bol. Soc. Mat. Mex., III. Ser. 23, No. 1, 163-172 (2017). Reviewer: Haruo Minami (Nara) MSC: 55P42 55N15 57R19 PDFBibTeX XMLCite \textit{R. L. Cohen} and \textit{J. D. S Jones}, Bol. Soc. Mat. Mex., III. Ser. 23, No. 1, 163--172 (2017; Zbl 1373.55009) Full Text: DOI arXiv
Cohen, Ralph L. The Floer homotopy type of the cotangent bundle. (English) Zbl 1226.53086 Pure Appl. Math. Q. 6, No. 2, 391-438 (2010). Reviewer: Gheorghe Pitiş (Braşov) MSC: 53D40 57R58 PDFBibTeX XMLCite \textit{R. L. Cohen}, Pure Appl. Math. Q. 6, No. 2, 391--438 (2010; Zbl 1226.53086) Full Text: DOI arXiv
Cohen, Ralph L. Stability phenomena in the topology of moduli spaces. (English) Zbl 1213.14054 Ji, Lizhen (ed.) et al., Geometry of Riemann surfaces and their moduli spaces. Somerville, MA: International Press (ISBN 978-1-57146-140-7/hbk). Surveys in Differential Geometry 14, 23-56 (2010). Reviewer: Werner Kleinert (Berlin) MSC: 14H15 32G15 30F10 55P42 55N15 58D27 PDFBibTeX XMLCite \textit{R. L. Cohen}, Surv. Differ. Geom. 14, 23--56 (2010; Zbl 1213.14054) Full Text: arXiv
Cohen, Ralph L. Floer homotopy theory, realizing chain complexes by module spectra, and manifolds with corners. (English) Zbl 1223.57030 Baas, Nils A. (ed.) et al., Algebraic topology. The Abel symposium 2007. Proceedings of the fourth Abel symposium, Oslo, Norway, August 5–10, 2007. Berlin: Springer (ISBN 978-3-642-01199-3/hbk; 978-3-642-01200-6/ebook). Abel Symposia 4, 39-59 (2009). Reviewer: Brendan Owens (Glasgow) MSC: 57R58 55P42 PDFBibTeX XMLCite \textit{R. L. Cohen}, Abel Symp. 4, 39--59 (2009; Zbl 1223.57030) Full Text: DOI arXiv
Cohen, Ralph L.; Hess, Kathryn; Voronov, Alexander A. String topology and cyclic homology. (English) Zbl 1089.57002 Advanced Courses in Mathematics - CRM Barcelona. Basel: Birkhäuser (ISBN 3-7643-2182-2/pbk). vi, 163 p. (2006). Reviewer: Jean Claude Thomas (Angers) MSC: 57-02 57R19 55P35 55N91 55P42 19D55 PDFBibTeX XMLCite \textit{R. L. Cohen} et al., String topology and cyclic homology. Basel: Birkhäuser (2006; Zbl 1089.57002)
Cohen, Ralph L. Multiplicative properties of Atiyah duality. (English) Zbl 1072.55004 Homology Homotopy Appl. 6, No. 1, 269-281 (2004). Reviewer: Victor P. Snaith (Sheffield) MSC: 55P25 55P42 55P43 57N45 PDFBibTeX XMLCite \textit{R. L. Cohen}, Homology Homotopy Appl. 6, No. 1, 269--281 (2004; Zbl 1072.55004) Full Text: DOI arXiv EuDML EMIS
Cohen, Ralph L.; Lupercio, Ernesto; Segal, Graeme B. Holomorphic spheres in loop groups and Bott periodicity. (English) Zbl 0968.55007 Asian J. Math. 3, No. 4, 801-818 (1999). Reviewer: A.Morimoto (Nagoya) MSC: 55R45 PDFBibTeX XMLCite \textit{R. L. Cohen} et al., Asian J. Math. 3, No. 4, 801--818 (1999; Zbl 0968.55007) Full Text: DOI
Cohen, Ralph L.; Lima-Filho, Paulo WITHDRAWN: An algebraic geometric realization of the Chern character. arXiv:math/9912152 Preprint, arXiv:math/9912152 [math.AT] (1999); retraction notice ibid. MSC: 55P91 14C05 19L47 55N91 BibTeX Cite \textit{R. L. Cohen} and \textit{P. Lima-Filho}, ``WITHDRAWN: An algebraic geometric realization of the Chern character'', Preprint, arXiv:math/9912152 [math.AT] (1999); retraction notice ibid. Full Text: arXiv
Bökstedt, M.; Carlsson, G.; Cohen, R.; Goodwillie, T.; Hsiang, W. C.; Madsen, I. On the algebraic \(K\)-theory of simply connected spaces. (English) Zbl 0867.19003 Duke Math. J. 84, No. 3, 541-563 (1996). Reviewer: A.Cap (Wien) MSC: 19D10 55P42 55P65 57R52 55N15 PDFBibTeX XMLCite \textit{M. Bökstedt} et al., Duke Math. J. 84, No. 3, 541--563 (1996; Zbl 0867.19003) Full Text: DOI
Cohen, R. L.; Jones, J. D. S.; Segal, G. B. Floer’s infinite dimensional Morse theory and homotopy theory. (English) Zbl 0843.58019 Hofer, Helmut (ed.) et al., The Floer memorial volume. Basel: Birkhäuser. Prog. Math. 133, 297-325 (1995). Reviewer: Th.J.Bartsch (Zürich) MSC: 58E05 37J99 55P99 53C23 55N35 PDFBibTeX XMLCite \textit{R. L. Cohen} et al., Prog. Math. 133, 297--325 (1995; Zbl 0843.58019)
Cohen, Ralph L.; Milgram, R. James The homotopy type of gauge theoretic moduli spaces. (English) Zbl 0799.57019 Carlsson, G. E. (ed.) et al., Algebraic topology and its applications. New York: Springer-Verlag. Math. Sci. Res. Inst. Publ. 27, 15-55 (1994). Reviewer: D.H.Gottlieb (Lafayette) MSC: 57R57 57T35 58D25 55P99 PDFBibTeX XMLCite \textit{R. L. Cohen} and \textit{R. J. Milgram}, Math. Sci. Res. Inst. Publ. 27, 15--55 (1994; Zbl 0799.57019)
Cohen, R. L.; Jones, J. D. S.; Segal, G. B. Floer’s infinite-dimensional Morse theory and homotopy theory. (English) Zbl 0996.58505 Kohno, Toshitake (ed.), Geometric aspects of infinite integrable systems. Proceedings of a conference held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan, June 30-July 2, 1993. Kyoto: Kyoto Univ., Research Institute for Mathematical Sciences, RIMS Kôkyûroku. 883, 68-96 (1994). MSC: 58E05 55P42 57R70 PDFBibTeX XMLCite \textit{R. L. Cohen} et al., in: Geometric aspects of infinite integrable systems. Proceedings of a conference held at the Research Institute for Mathematical Sciences, Kyoto University, Kyoto, Japan, June 30--July 2, 1993. Kyoto: Kyoto Univ., Research Institute for Mathematical Sciences. 68--96 (1994; Zbl 0996.58505)
Cohen, F. R.; Cohen, R. L.; Mann, B. M.; Milgram, R. J. The homotopy type of rational functions. (English) Zbl 0790.55005 Math. Z. 213, No. 1, 31-47 (1993). Reviewer: F.R.Cohen (Rochester) MSC: 55P42 55P45 PDFBibTeX XMLCite \textit{F. R. Cohen} et al., Math. Z. 213, No. 1, 31--47 (1993; Zbl 0790.55005) Full Text: DOI EuDML
Cohen, Ralph L. Morse theory via moduli spaces. (English) Zbl 0875.58010 Mat. Contemp. 2, 19-66 (1992). MSC: 58E05 58D29 57R19 58-02 PDFBibTeX XMLCite \textit{R. L. Cohen}, Mat. Contemp. 2, 19--66 (1992; Zbl 0875.58010)
Cohen, F. R.; Cohen, R. L.; Mann, B. M.; Milgram, R. J. The topology of rational functions and divisors of surfaces. (English) Zbl 0741.55005 Acta Math. 166, No. 3-4, 163-221 (1991). Reviewer: P.J.Kahn (Ithaca) MSC: 55P42 55P99 PDFBibTeX XMLCite \textit{F. R. Cohen} et al., Acta Math. 166, No. 3--4, 163--221 (1991; Zbl 0741.55005) Full Text: DOI
Cohen, Ralph L.; Shimamoto, Don H. Rational functions, labelled configurations, and Hilbert schemes. (English) Zbl 0756.55005 J. Lond. Math. Soc., II. Ser. 43, No. 3, 509-528 (1991). Reviewer: I.Pop (Iaşi) MSC: 55P35 PDFBibTeX XMLCite \textit{R. L. Cohen} and \textit{D. H. Shimamoto}, J. Lond. Math. Soc., II. Ser. 43, No. 3, 509--528 (1991; Zbl 0756.55005) Full Text: DOI
Cohen, Ralph L.; Jones, John D. S. Algebraic K-theory of spaces and the Novikov conjecture. (English) Zbl 0708.19002 Topology 29, No. 3, 317-344 (1990). Reviewer: M.R.Stein MSC: 19D10 55Q99 19L64 19G24 PDFBibTeX XMLCite \textit{R. L. Cohen} and \textit{J. D. S. Jones}, Topology 29, No. 3, 317--344 (1990; Zbl 0708.19002) Full Text: DOI
Adem, A.; Cohen, R. L.; Dwyer, W. G. Generalized Tate homology, homotopy fixed points and the transfer. (English) Zbl 0684.55012 Algebraic topology, Proc. Int. Conf., Evanston/IL 1988, Contemp. Math. 96, 1-13 (1989). Reviewer: D.Gottlieb MSC: 55P91 55P42 55N25 PDFBibTeX XML
Cohen, Ralph L.; Tillmann, Ulrike Lectures on immersion theory. (English) Zbl 0672.57019 Differential geometry and topology, Proc. Spec. Year, Tianjin/PR China 1986-87, Lect. Notes Math. 1369, 71-124 (1989). Reviewer: M.Sugawara MSC: 57R42 57R20 55S35 55P42 55N20 20F36 55S10 55N22 57R75 PDFBibTeX XML
Cohen, Ralph L.; Lin, Wen-Hsiung; Mahowald, Mark E. The Adams spectral sequence of the real projective spaces. (English) Zbl 0663.55011 Pac. J. Math. 134, No. 1, 27-55 (1988). Reviewer: E.Ossa MSC: 55T15 55Q10 55Q52 PDFBibTeX XMLCite \textit{R. L. Cohen} et al., Pac. J. Math. 134, No. 1, 27--55 (1988; Zbl 0663.55011) Full Text: DOI
Brown, Edgar H.; Cohen, Ralph L. The Adams spectral sequence of \(\Omega ^ 2S^ 3\) and Brown-Gitler spectra. (English) Zbl 0705.55008 Algebraic topology and algebraic K-theory, Proc. Conf., Princeton, NJ (USA), Ann. Math. Stud. 113, 101-125 (1987). Reviewer: E.Ossa MSC: 55T15 55P42 55P35 PDFBibTeX XML
Cohen, Ralph L. Pseudo-isotopies, K-theory, and homotopy theory. (English) Zbl 0656.57020 Homotopy theory, Proc. Symp., Durham/Engl. 1985, Lond. Math. Soc. Lect. Note Ser. 117, 35-71 (1987). Reviewer: F.Waldhausen MSC: 57R52 18F25 55P15 55P99 55R35 PDFBibTeX XML
Carlsson, G. E.; Cohen, R. L.; Goodwillie, T.; Hsiang, W. C. The free loop space and the algebraic K-theory of spaces. (English) Zbl 0649.55001 \(K\)-Theory 1, No. 1, 53-82 (1987). Reviewer: A.Elduque MSC: 55P47 18F25 55P42 55N15 55R35 PDFBibTeX XMLCite \textit{G. E. Carlsson} et al., \(K\)-Theory 1, No. 1, 53--82 (1987; Zbl 0649.55001) Full Text: DOI
Cohen, Ralph L. A model for the free loop space of a suspension. (English) Zbl 0627.55004 Algebraic topology, Proc. Workshop, Seattle/Wash. 1985, Lect. Notes Math. 1286, 193-207 (1987). Reviewer: M.Golasiński MSC: 55P35 55P40 55P42 55P45 PDFBibTeX XML
Cohen, Ralph L. The immersion conjecture for differentiable manifolds. (English) Zbl 0592.57022 Ann. Math. (2) 122, 237-328 (1985). Reviewer: M.Raußen MSC: 57R42 55P42 55S40 55S10 55S45 PDFBibTeX XMLCite \textit{R. L. Cohen}, Ann. Math. (2) 122, 237--328 (1985; Zbl 0592.57022) Full Text: DOI Backlinks: MO
Cohen, R. L.; Jones, J. D. S.; Mahowald, M. E. The Kervaire invariant of immersions. (English) Zbl 0576.57032 Invent. Math. 79, 95-123 (1985). Reviewer: F.Cohen MSC: 57R90 57R40 55Q45 55Q10 55N91 PDFBibTeX XMLCite \textit{R. L. Cohen} et al., Invent. Math. 79, 95--123 (1985; Zbl 0576.57032) Full Text: DOI EuDML
Cohen, Ralph L. The homotopy theory of immersions. (English) Zbl 0574.57015 Proc. Int. Congr. Math., Warszawa 1983, Vol. 1, 627-639 (1984). Reviewer: M.Raussen MSC: 57R42 55P42 55N20 PDFBibTeX XML
Cohen, Ralph L.; Goerss, Paul Secondary cohomology operations that detect homotopy classes. (English) Zbl 0546.55017 Topology 23, 177-194 (1984). Reviewer: A.Liulevicius MSC: 55Q45 55S20 55T15 55P42 55S10 PDFBibTeX XMLCite \textit{R. L. Cohen} and \textit{P. Goerss}, Topology 23, 177--194 (1984; Zbl 0546.55017) Full Text: DOI
Cohen, Ralph L. Immersions of manifolds (normal bundle/classifying space/ Thom space). (English) Zbl 0495.57012 Proc. Natl. Acad. Sci. USA 79, 3390-3392 (1982). MSC: 57R42 55P42 55N22 57R75 PDFBibTeX XMLCite \textit{R. L. Cohen}, Proc. Natl. Acad. Sci. USA 79, 3390--3392 (1982; Zbl 0495.57012) Full Text: DOI
Cohen, Ralph L. Odd primary infinite families in stable homotopy theory. (English) Zbl 0452.55009 Mem. Am. Math. Soc. 242, 92 p. (1981). MSC: 55Q45 55P35 55T15 55P42 55T25 55S05 PDFBibTeX XMLCite \textit{R. L. Cohen}, Odd primary infinite families in stable homotopy theory. Providence, RI: American Mathematical Society (AMS) (1981; Zbl 0452.55009) Full Text: DOI
Cohen, Ralph L. Representations of Brown-Gitler spectra. (English) Zbl 0444.55005 Topology, Proc. Symp., Siegen 1979, Lect. Notes Math. 788, 399-417 (1980). MSC: 55P42 55P35 PDFBibTeX XML
Cohen, Ralph L. The geometry of \(\Omega^2S^3\) and braid orientations. (English) Zbl 0439.55002 Invent. Math. 54, 53-67 (1979). MSC: 55N20 55P35 55P42 20F36 55R35 55P60 PDFBibTeX XMLCite \textit{R. L. Cohen}, Invent. Math. 54, 53--67 (1979; Zbl 0439.55002) Full Text: DOI EuDML