Zobrazeno 1 - 10
of 293
pro vyhledávání: '"P. Pertici"'
Autor:
Buonfiglio, Valentina, Zagli, Niccolò, Pertici, Irene, Lombardi, Vincenzo, Bianco, Pasquale, Fanelli, Duccio
A data fitting procedure is devised and thoroughly tested to provide self-consistent estimates of the relevant mechanokinetic parameters involved in a plausible scheme underpinning the output of an ensemble of myosin II molecular motors mimicking the
Externí odkaz:
http://arxiv.org/abs/2408.03676
Autor:
Buonfiglio, Valentina, Pertici, Irene, Marcello, Matteo, Morotti, Ilaria, Caremani, Marco, Reconditi, Massimo, Linari, Marco, Fanelli, Duccio, Lombardi, Vincenzo, Bianco, Pasquale
Myosin II is the muscle molecular motor that works in two bipolar arrays in each thick filament of the striated (skeletal and cardiac) muscle, converting the chemical energy into steady force and shortening by cyclic ATP--driven interactions with the
Externí odkaz:
http://arxiv.org/abs/2408.00373
Autor:
Pertici, Donato, Dolcetti, Alberto
We study some properties of $SU_n$ endowed with the Frobenius metric $\phi$, which is, up to a positive constant multiple, the unique bi-invariant Riemannian metric on $SU_n$. In particular we express the distance between $P, Q \in SU_n$ in terms of
Externí odkaz:
http://arxiv.org/abs/2402.12209
SVD-closed subgroups of the unitary group: generalized principal logarithms and minimizing geodesics
Autor:
Pertici, Donato, Dolcetti, Alberto
We study the set of generalized principal $\mathfrak{g}$-logarithms of any matrix belonging to a connected SVD-closed subgroup $G$ of $U_n$, with Lie algebra $\mathfrak{g}$. This set is a non-empty disjoint union of a finite number of subsets diffeom
Externí odkaz:
http://arxiv.org/abs/2212.11716
Autor:
Pertici, Donato
We study the differential structure of the set of real logarithms of a non-singular real matrix, under the assumption that the matrix is either semi-simple or orthogonal.
Externí odkaz:
http://arxiv.org/abs/2209.06033
Autor:
Valentina Buonfiglio, Irene Pertici, Matteo Marcello, Ilaria Morotti, Marco Caremani, Massimo Reconditi, Marco Linari, Duccio Fanelli, Vincenzo Lombardi, Pasquale Bianco
Publikováno v:
Communications Biology, Vol 7, Iss 1, Pp 1-12 (2024)
Abstract Myosin II is the muscle molecular motor that works in two bipolar arrays in each thick filament of the striated (skeletal and cardiac) muscle, converting the chemical energy into steady force and shortening by cyclic ATP–driven interaction
Externí odkaz:
https://doaj.org/article/822250228cac41b3953123790ae674de
Autor:
Dolcetti, Alberto, Pertici, Donato
We describe the full group of isometries of absolutely simple, compact, connected real Lie groups, of SO(4) and of U(n), endowed with suitable bi-invariant Riemannian metrics.
Externí odkaz:
http://arxiv.org/abs/2106.06413
Autor:
Dolcetti, Alberto, Pertici, Donato
We study the differential and metric structures of the set of real square roots of a non-singular real matrix, under the assumption that the matrix and its square roots are semi-simple, or symmetric, or orthogonal.
Externí odkaz:
http://arxiv.org/abs/2010.15609
Autor:
Dolcetti, Alberto, Pertici, Donato
We study the differential-geometric properties of the loci of fixed points of the elliptic isometries of the manifold of definite positive real matrices with the trace metric. We also give an explicit description of such loci and in particular we fin
Externí odkaz:
http://arxiv.org/abs/2001.10250
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