Problems in Gravitation (Physics)
{'Code': '03010700', 'Directorate': {'Abbreviation': 'MPS', 'LongName': 'Direct For Mathematical & Physical Scien'}, 'Division': {'Abbreviation': 'PHY', 'LongName': 'Division Of Physics'}}
{'SignBlockName': 'Richard Isaacson', 'PO_EMAI': None, 'PO_PHON': None}
Richard Matzner will investigate several interconnected                    fields having to do with theories of gravity and tests of those                 theories using manmade satellites.  He will combine computer and                analytical simulations to determine the utility of Earth                        satellites like LAGEOS or the proposed LAGEOS III in determining                the post-Newtonian behavior of gravitational theories.  Numerical               studies will investigate cosmological and astrophysical                         phenomena, including cosmic strings, (the study of which requires               large computational and graphics support) and cosmic inflation.                 The behavior of radiation (neutrinos) as a cooling medium in                    neutron stars with application to supernova evolution will be                   studied.  Prediction of the behavior of the cosmic background                   radiation in inhomogeneous cosmologies will be carried out, as                  will theoretical studies of the nuclear abundances predicted in                 hot big bang cosmologies.  Other theoretical work will include                  more study of inflation in cosmology, studies of gravitational                  wave propagation in cosmology and also near black holes, and                    different approaches (Regge calculus and computational field                    theory) to the study of gravitating systems.
{'FirstName': 'Richard', 'LastName': 'Matzner', 'PI_MID_INIT': 'A', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Richard A Matzner', 'EmailAddress': 'matzner2@physics.utexas.edu', 'NSF_ID': '000377558', 'StartDate': '07/01/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of Texas at Austin', 'CityName': 'AUSTIN', 'ZipCode': '787121139', 'PhoneNumber': '5124716424', 'StreetAddress': '110 INNER CAMPUS DR', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Texas', 'StateCode': 'TX', 'CONGRESSDISTRICT': '25', 'CONGRESS_DISTRICT_ORG': 'TX25', 'ORG_UEI_NUM': 'V6AFQPN18437', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF TEXAS AT AUSTIN', 'ORG_PRNT_UEI_NUM': None}
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{'Code': '124400', 'Text': 'Gravity Theory'}
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