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- ItemHeight functions on quaternionic Stiefel manifolds(Oberwolfach : Mathematisches Forschungsinstitut Oberwolfach, 2015) Macías-Virgós, Enrique; Oprea, John; Strom, Jeff; Tanré, DanielIn this note, we study height functions on quaternionic Stiefel manifolds and prove that all these height functions are Morse-Bott. Among them, we characterize the Morse functions and give a lower bound for their number of critical values. Relations with the Lusternik-Schnirelmann category are discussed.