This collection contains photographs from the Harlem Branch (135th Street) of the YMCA. Organized in 1901 by Reverend C. T. Walker of the Mount Olive Baptist Church as the Colored Men’s Branch, this branch first started in mid-Manhattan. It was later moved to the Harlem area and its name changed in 1919 to the One Hundred-Thirty Fifth Street B...
Created:
1950 - 1979
Contributed By:
University of Minnesota Libraries, Kautz Family YMCA Archives.
This collection traces the history of seven Dutch sugar plantations in Guiana (the colony of Surinam) through nearly a century of major developments, including the Napoleonic Wars and the transition from a slave to a free labor economy. The records consist of correspondence regarding the administration of the plantations in the Surinam colony, a...
Created:
1768-02-10
Contributed By:
University of Minnesota Libraries, James Ford Bell Library.
We state some results on Cheeger Inequalities for the combinatorialLaplacian and random walks on simplicial complexes.Specifically, for the combinatorial Laplacian we prove that a Cheegertype inequality holds on the highest dimension, or for the boundaryoperator with Dirichlet boundary conditions. We also show thatcoboundary expanders do not sat...
Creator:
Mukherjee, Sayan (Duke University)
Created:
2014-04-28
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.