2 papers
cond-mat.soft2002
Deformations of the geometry of lipid vesicles
Riccardo Capovilla, Jemal Guven, Jose' Antonio Santiago
Consider a closed lipid membrane (vesicle), modeled as a two-dimensional surface, described by a geometrical hamiltonian that depends on its extrinsic curvature. The vanishing of i…
gr-qc1993
The Initial Value Problem in Light of Ashtekar's Variables
R. Capovilla, J. Dell, T. Jacobson
The form of the initial value constraints in Ashtekar's hamiltonian formulation of general relativity is recalled, and the problem of solving them is compared with that in the trad…