... [20]), (d) relative Nielsen numbers (on the total space or on the complement) (see [12]), (e) Nielsen number for periodic points (see [13]), (f) Nielsen number for invariant and periodic sets (see ... equations and inclusions: (a) Nielsen number for compact maps ϕ ∈ K (see [2, 11]), (b) Nielsen number for compact absorbing contractions ϕ ∈ CAC (see [10]), (c) Nielsen number for condensing maps ... functions, it is 152 Nielsen number and differential equations compact, and so is Ᏼ ◦ Tλτ : X × [0,1] X (i.e., Ᏼ ◦ Tλτ ∈ K, for every λ ∈ [0,1]) Therefore, all the Nielsen numbers N(Ᏼ ◦ Tτ ) =...