nLab Nicolaas Kuiper

• wikipedia page

Selected writings:

Proof of Kuiper's theorem (that U(ℋ) is contractible in the norm topology):

• Nicolaas Kuiper, Contractibility of the unitary group in Hilbert space, Topology, 3, 19-30 (1964)

On microbundles:

• N. H. Kuiper and R. K. Lashof, Microbundles and Bundles I. Elementary Theory, Invent. Math., 1, (1966), 1 – 17.

• N. H. Kuiper and R. K. Lashof, Microbundles and Bundles II. Semisimplicial Theory, Invent. Math., 1, (1966), 243 – 259.

The Arnold-Kuiper-Massey theorem:

• Nicolaas Kuiper, The quotient space of $\mathbb{C}P(2)$ by complex conjugation is the 4-sphere, Mathematische Annalen, 1974 (doi:10.1007/BF01432386)

category: people