#### Volume 5, issue 1 (2001)

 1 J M Boardman, Singularities of differentiable maps, Inst. Hautes Études Sci. Publ. Math. (1967) 21 MR0231390 2 W Browder, W C Hsiang, Some problems on homotopy theory manifolds and transformation groups, from: "Algebraic and geometric topology (Proc. Sympos. Pure Math., Stanford Univ., Stanford, Calif., 1976), Part 2", Proc. Sympos. Pure Math., XXXII, Amer. Math. Soc. (1978) 251 MR520546 3 Y M Eliashberg, N M Mishachev, Wrinkling of smooth mappings II: Wrinkling of embeddings and K Igusa's theorem, Topology 39 (2000) 711 MR1760426 4 R Fenn, C Rourke, B Sanderson, James bundles, Proc. London Math. Soc. $(3)$ 89 (2004) 217 MR2063665 5 M Gromov, Partial differential relations, Ergebnisse der Mathematik und ihrer Grenzgebiete (3) 9, Springer (1986) MR864505 6 V Guillemin, A Pollack, Differential topology, Prentice-Hall (1974) MR0348781 7 M W Hirsch, Immersions of manifolds, Trans. Amer. Math. Soc. 93 (1959) 242 MR0119214 8 I M James, Reduced product spaces, Ann. of Math. $(2)$ 62 (1955) 170 MR0073181 9 U Koschorke, B Sanderson, Geometric interpretations of the generalized Hopf invariant, Math. Scand. 41 (1977) 199 MR0474289 10 J P May, The geometry of iterated loop spaces, Lecture Notes in Mathematics 271, Springer (1972) MR0420610 11 J N Mather, Generic projections, Ann. of Math. $(2)$ 98 (1973) 226 MR0362393 12 R J Milgram, Iterated loop spaces, Ann. of Math. $(2)$ 84 (1966) 386 MR0206951 13 A Philips, Turning a surface inside out, Scientific American 214 (1966) 112 14 C Rourke, B Sanderson, The compression theorem II: Directed embeddings, Geom. Topol. 5 (2001) 431 MR1833750 15 C Rourke, B Sanderson, The compression theorem III: Applications, Algebr. Geom. Topol. 3 (2003) 857 MR2012956 16 G Segal, Configuration-spaces and iterated loop-spaces, Invent. Math. 21 (1973) 213 MR0331377 17 S Smale, The classification of immersions of spheres in Euclidean spaces, Ann. of Math. $(2)$ 69 (1959) 327 MR0105117 18 B Wiest, Loop spaces and the compression theorem, Proc. Amer. Math. Soc. 128 (2000) 3741 MR1691010 19 B Wiest, Rack spaces and loop spaces, J. Knot Theory Ramifications 8 (1999) 99 MR1673890