Scrapbook documenting the activities of the Ukrainian Folk Ballet and Chorus, founded in Minneapolis in 1934 under the direction of Vasile Avramenko. Included are program fliers and brochures, photographs, newspaper clippings, correspondence, event tickets and other miscellaneous items.
Creator:
Ukrainian Folk Ballet of the Twin Cities
Created:
1943 - 1953
Contributed By:
University of Minnesota Libraries, Immigration History Research Center Archives.
Inverse problems arise in all fields of science and technology, where information is obtained about an object from a set of observed measurements. Taking human vision as an example, our brains construct a detailed, 3-D map from measurements of scattered light that reach our retinas. Thus, solving inverse problems can reveal what is hidden. But c...
Creator:
Uhlmann, Gunther A. (University of Washington)
Created:
2017-02-13
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
We will consider the inverse problem of determining the sound speed or index of refraction of a medium by measuring the travel times of waves going through the medium. This problem arises in global seismology in an attempt to determine the inner structure of the Earth by measuring travel times of earthquakes. It has also several applications in ...
Creator:
Uhlmann, Gunther A. (University of Washington)
Created:
2017-02-14
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
In inverse boundary problems one attempts to determine the properties of amedium by making measurements at the boundary of the medium. In thelecture we will concentrate on two inverse boundary problems, ElectricalImpedance Tomography and Travel Tomography in anisotropic media. Theseproblems arise in medical imaging, geophysics and other fields. ...
Creator:
Uhlmann, Gunther A. (University of Washington)
Created:
2005-10-19
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
We discuss properties of distributions that are multivariate totally positive of order two (MTP2). Such distributions appear in the context of positive dependence, ferromagnetism in the Ising model, and various latent models. We show that maximum likelihood estimation for MPT2 exponential families is a convex problem. Hence, if the MLE exists, i...
Creator:
Uhler, Caroline (Massachusetts Institute of Technology)
Created:
2016-01-26
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
This folder contains photographs from the Penumbra Theatre Company of stage productions. Penumbra Theatre Company is the largest professional African American theater in the United States. Founded in 1976 by Lou Bellamy, the theater is located in St. Paul, Minnesota, in the Hallie Q. Brown Community Center.
Creator:
Uemura, Charissa
Created:
1992 - 1995
Contributed By:
University of Minnesota Libraries, Archie Givens, Sr. Collection of African American Literature.
Self-recovery of function is one of the remarkable properties of biological systems and its implementation in autonomous distributed systems is highly desirable. In this study focusing on designing logical connections by using dynamical systems, we propose an autonomous distributed system which is capable of searching for closed loops. A closed ...
Creator:
Ueda, Kei-Ichi (Toyama University)
Created:
2013-06-03
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.