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Lyapunov coefficients for an invisible fold-fold singularity in planar piecewise Hamiltonian systems
(2020-04-01)
We study the stability of an invisible fold-fold singularity of planar piecewise smooth Hamiltonian vector fields by computing some kind of Lyapunov coefficients. We obtain the general expressions for the first five Lyapunov ...
Specific and nonspecific collapse in protein folding funnels
(2002-04-22)
Experiments with fast folding proteins are beginning to address the relationship between collapse and folding. We investigate how different scenarios for folding can arise depending on whether the folding and collapse ...
Specific and nonspecific collapse in protein folding funnels
(2002-04-22)
Experiments with fast folding proteins are beginning to address the relationship between collapse and folding. We investigate how different scenarios for folding can arise depending on whether the folding and collapse ...
Stabilization of partially folded states in protein folding/misfolding transitions by hydrostatic pressure
(Associação Brasileira de Divulgação Científica, 2019)
ALEPH: A Network-oriented approach for the generation of fragment-based libraries and for structure interpretation
(2020-03-01)
The analysis of large structural databases reveals general features and relationships among proteins, providing useful insight. A different approach is required to characterize ubiquitous secondary-structure elements, where ...
Sectorial Analysis of the Fibrous Matrix of Vocal Folds in the Elderly
(2020-01-01)
Objective: to determine the sectorial concentration of fibrous matrix along the vocal folds of the elderly. Methods: Thirteen fresh vocal folds were removed from 13 cadavers. The subjects were divided into two groups: ...
Basin of attraction of a cusp-fold singularity in 3D piecewise smooth vector fields
(Elsevier B.V., 2014-10-01)
Generic one-parameter families of piecewise smooth vector fields on R-3 presenting the so-called cusp-fold singularity are studied. The bifurcation diagrams are exhibited and the asymptotic and structural stabilities are ...