We study the Gottlieb group of a wedge sum of suspension spaces. We give necessary and sufficient conditions, in terms of Hopf invariants, for an element of a homotopy group to be in the Gottlieb group. We apply our results to wedge sums of spheres and to Moore spaces.
"The Gottlieb group of a wedge of suspensions." J. Math. Soc. Japan 66 (3) 735 - 743, July, 2014. https://doi.org/10.2969/jmsj/06630735