http://hdl.handle.net/2440/1087 Sun, 19 May 2013 07:04:49 GMT 2013-05-19T07:04:49Z http://hdl.handle.net/2440/77797 Title: Modeling development and disease in our "second" brain Author: Landman, Kerry A.; Binder, Benjamin James; Newgreen, Donald Francis Abstract: The enteric nervous system (ENS) in our gastrointestinal tract, nicknamed the “second brain”, is responsible for normal gut function and peristaltic contraction. Embryonic development of the ENS involves the colonization of the gut wall from one end to the other by a population of proliferating neural crest (NC) cells. Failure of these cells to invade the whole gut results in the relatively common, potentially fatal condition known as Hirschsprung disease (HSCR). Cellular automata models provide insight into the colonization process at both the individual cell-level and population-level. Our models generated experimentally testable predictions, which have subsequently been confirmed. The model results imply that HSCR is chiefly a NC cell proliferation defect and not, as previously thought, a NC cell motility defect. These results have important implications for HSCR; namely stochastic effects can determine success or failure of the colonization process for a certain range of NC cell proliferation rates. Sat, 31 Dec 2011 13:30:00 GMT http://hdl.handle.net/2440/77797 2011-12-31T13:30:00Z http://hdl.handle.net/2440/77543 Title: Research of fuzzy recognition system for hydraulic support in working status with FEA analysis Author: Zhang, Peng; Chen, Weijiang; Zhao, Zhongge Abstract: In view of the disadvantages of monitoring for hydraulic support working status on the current fully mechanized coal face, a monitoring system of hydraulic support working status based on fuzzy recognition is applied. The mechanical system is designed and simulated by Finite Element Analysis (FEA) package. The control system is designed based on variable pressures in hydraulic support. Matlab©/Simulink© is applied in the system, it provides real-time monitoring function in modeling and testing. Fuzzy recognition method is used to obtain working status of hydraulic support. Finally, the working status of hydraulic support is displayed by finite state machine graphic tool Stateflow. Sat, 31 Dec 2011 13:30:00 GMT http://hdl.handle.net/2440/77543 2011-12-31T13:30:00Z http://hdl.handle.net/2440/76823 Title: The Faddeev-Mickelsson-Shatashvili anomaly and lifting bundle gerbes Author: Hekmati, Pedram; Murray, Michael Kevin; Stevenson, Daniel Charles; Vozzo, Raymond Frank Mon, 31 Dec 2012 13:30:00 GMT http://hdl.handle.net/2440/76823 2012-12-31T13:30:00Z http://hdl.handle.net/2440/76813 Title: T-duality of current algebras and their quantization Author: Hekmati, Pedram; Varghese, Mathai Abstract: In this paper we show that the T-duality transform of Bouwknegt, Evslin and Mathai applies to determine isomorphisms of certain current algebras and their associated vertex algebras on topologically distinct T-dual spacetimes compactified to circle bundles with $H$-flux. Sat, 31 Dec 2011 13:30:00 GMT http://hdl.handle.net/2440/76813 2011-12-31T13:30:00Z