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Advances in Mathematical Physics
Volume 2013, Article ID 630196, 4 pages
Research Article

Neutron Star Interiors and Topology Change

Department of Mathematics, Milwaukee School of Engineering, Milwaukee, WI 53202-3109, USA

Received 1 January 2013; Revised 8 March 2013; Accepted 11 March 2013

Academic Editor: Emilio Elizalde

Copyright © 2013 Peter K. F. Kuhfittig. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Quark matter is believed to exist in the center of neutron stars. A combined model consisting of quark matter and ordinary matter is used to show that the extreme conditions existing in the center could result in a topology change, that is, in the formation of wormholes.