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< 55Pxx | 55-XX | 55Rxx >
55-XX Algebraic topology
55Qxx Homotopy groups
55Q05   Homotopy groups, general; sets of homotopy classes
55Q07   Shape groups
55Q10   Stable homotopy groups
55Q15   Whitehead products and generalizations
55Q20   Homotopy groups of wedges, joins, and simple spaces
55Q25   Hopf invariants
55Q35   Operations in homotopy groups
55Q40   Homotopy groups of spheres
55Q45   Stable homotopy of spheres
55Q50   $J$-morphism [See also 19L20]
55Q51   $v_n$-periodicity
55Q52   Homotopy groups of special spaces
55Q55   Cohomotopy groups
55Q70   Homotopy groups of special types [See also 55N05, 55N07]
55Q91   Equivariant homotopy groups [See also 19L47]
55Q99   None of the above, but in this section
< 55Pxx | 55-XX | 55Rxx >
 
 
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