As materials with broken translational symmetry, defects in smectic liquid crystals do not follow the traditional homotopy theoretic classification scheme, and a more geometrical approach is required. Using methods from singularity theory we study the topological classification and combination rules for point and line defects in two and three di...
Creator:
Machon, Thomas (University of Pennsylvania)
Created:
2018-01-16
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
Rally to promote Hindenburg on Thursday, March 10, at 8 PM at the "Society of Friends." Printed together with poster with title: "Fur Hindenburg! ... Deutsche Staatspartei , Nationalsozialisten und Kommunisten haben keinen Zutritt"
Creator:
Machny
Created:
1918 - 1939
Contributed By:
University of Minnesota Libraries, Upper Midwest Literary Archives.
Each of these three posters contains a piece of digital art exploring an aspect of life during the COVID-19 pandemic. The first poster contains a digital drawing of a person with long brown hair and glasses, wearing a blue face mask. A speech bubble reads: "Sorry about my glasses, they always fog up with my mask!" Text at the bottom of the poste...
Creator:
MacGillivray, Hailey
Created:
2021-09
Contributed By:
Archives and Special Collections, Kathryn A. Martin Library, University of Minnesota Duluth