|   [1] Arkowitz M. Co-H-spaces, Handbook of Algebraic Topology. New York: North-Holland, 1995: 1143–1173 
 
[2] Arkowitz M, Golasinski M. Co-H-structures on Moore spaces of type (G, 2). Can J Math, 1994, 46(4): 673–686 
 
[3] Arkowitz M, Lee D -W. Properties of comultiplications on a wedge of spheres. Topology Appl, 2010, 157: 1607–1621 
 
[4] Arkowitz M, Lee D -W. Comultiplications on a wedge of two spheres. Sci China Math, 2011, 54: 9–22 
 
[5] Arkowitz M, Lupton G. Rational co-H-spaces. Comment Math Helvetici, 1991, 66: 79–108 
 
[6] Arkowitz M, Lupton G. Loop-theoretic properties of H-spaces. Math Proc Cambridge Philos Soc, 1991, 110: 121–136 
 
[7] Arkowitz M, Lupton G. Equivalence classes of homotopy-associative comultiplications of finite complexes. J Pure Appl Algebra, 1995, 102: 109–136 
 
[8] Arkowitz M, Oshima H, Strom J. The inverses of an H-space. Manuscripta Math, 2002, 108: 399–408 
 
[9] Berstein I. A note on spaces with non-associative comultiplication. Math Proc Cambridge Philos Soc, 1964, 60: 353–354 
 
[10] Ganea T. Cogroups and suspensions. Invent Math, 1970, 9: 185–197 
 
[11] Hilton P J. On the homotopy groups of the union of spheres. J Lond Math Soc, 1955, 30(2): 154–172 
 
[12] Hilton P, Mislin G, Roitberg J. On co-H-spaces. Comment Math Helvetici, 1978, 53: 1–14 
 
[13] James I M. On H-spaces and their homotopy groups. Quart J Math, 1960, 11: 161–179 
 
[14] Lee D -W. On the same n-type conjecture for the suspension of the infinite complex projective space. Proc Amer Math Soc, 2009, 137(3): 1161–1168 
 
[15] Lee D -W. On the same n-type structure for the suspension of the Eilenberg-MacLane spaces. J Pure Appl Algebra, 2010, 214: 2027–2032 
 
[16] Norman C W. Homotopy loops. Topology, 1963, 2: 23–43 
 
[17] O’Neill R C. On H-spaces that are CW-complexes I. Illinois J Math, 1964, 8: 280–290 
 
[18] Rutter J W. Spaces of Homotopy Self-Equivalences. Lecture Notes in Math 1662. Springer-Verlag, 1997 
 
[19] Scheerer H. On rationalized H- and co-H-spaces. with an appendix on decomposable H- and co-H-spaces. 
Manuscripta Math, 1984, 51: 63–87 
 
[20] Stasheff J. Homotopy associativity of H-spaces I, II. Trans Amer Math Soc, 1963, 108: 275–312 
 
[21] Toda H. Composition Methods in Homotopy Groups of Spheres. Princeton: Princeton University Press, 1962 
 
[22] Yu H B, Shen W H. On reducibility of the self-homotopy equivalences of wedge spaces. Acta Math Sci, 2012, 32B: 813–817 
 
[23] Zabrodsky A. Homotopy associativity and finite CW-complexes. Topology, 1970, 9: 121–128  |