Zobrazeno 1 - 10
of 913
pro vyhledávání: '"Porfido, A."'
Kernel estimates for parabolic systems of partial differential equations with unbounded coefficients
We provide pointwise upper bounds for the transition kernels of semigroups associated with a class of systems of nondegenerate elliptic partial differential equations with unbounded coefficients with possibly unbounded diffusion coefficients, which m
Externí odkaz:
http://arxiv.org/abs/2412.15935
Assuming a weighted Nash type inequality for the generator $-A$ of a Markov semigroup, we prove a weighted Nash type inequality for its fractional power and deduce non-uniform bounds on the transition kernel corresponding to the Markov semigroup gene
Externí odkaz:
http://arxiv.org/abs/2408.12679
Autor:
Danilo Vona, Stefania Roberta Cicco, Cesar Vicente-Garcia, Alessandro Digregorio, Giorgio Rizzo, Rossella Labarile, Maria Michela Giangregorio, Carlo Porfido, Roberto Terzano, Emiliano Altamura, Pietro Cotugno, Gianluca Maria Farinola
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Surface display of functional groups with specific reactivity around living cells is an emerging, low cost and highly eco-compatible technology that serves multiple applications, ranging from basic biochemical studies to biomedicine, therape
Externí odkaz:
https://doaj.org/article/47df57afde494cf0a41dcbbfc9fc8eff
Publikováno v:
Heliyon, Vol 10, Iss 23, Pp e40740- (2024)
The excessive and/or improper use of plant protection products (PPPs) can generate alarming levels of residues in the environment, compromising both soil fertility and food safety. Various organic wastes released in large amounts by agro-industrial a
Externí odkaz:
https://doaj.org/article/7da2843c48424f4890a31b7a14151b53
Autor:
Sambit Prasanajit Naik, Jeremy M. Rimando, Himanshu Mittal, Rolly E. Rimando, Sabina Porfido, Young-Seog Kim
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 15, Iss 1 (2024)
The macroseismic intensity of the February 6, 2012, Negros Oriental earthquake (MW 6.7), which affected the islands of Negros and Cebu, central Philippines, has been reassessed in this study using the Environmental Seismic Intensity Scale (ESI-2007).
Externí odkaz:
https://doaj.org/article/7dd97e590d5b4d7c8ef29e3688e9a704
We prove global Sobolev regularity and pointwise upper bounds for the gradient of transition densities associated with second order differential operators in $\mathbb{R}^d$ with unbounded diffusion, drift and potential terms.
Comment: 24 pages,
Comment: 24 pages,
Externí odkaz:
http://arxiv.org/abs/2209.15358
Autor:
Elisabetta Loffredo, Danilo Vona, Carlo Porfido, Maria Michela Giangregorio, Antonio Gelsomino
Publikováno v:
Journal of Sustainable Agriculture and Environment, Vol 3, Iss 3, Pp n/a-n/a (2024)
Abstract Introduction In addition to produce biogas, the anaerobic digestion process releases a significant quantity of solid digestate (DG), a C‐rich byproduct suitable both as a soil improver and as a biosorbent of organic and inorganic pollutant
Externí odkaz:
https://doaj.org/article/1939ea78c62e416986da0fcca7c77fcf
Publikováno v:
In Heliyon 15 December 2024 10(23)
Autor:
Velázquez-Bucio, María Magdalena, Ferrario, Maria Francesca, Lacan, Pierre, Muccignato, Eliana, Pizza, Marco, Sridharan, Aadityan, Porfido, Sabina, Gopalan, Sundararaman, Nuñez-Meneses, Andrés, Michetti, Alessandro Maria
Publikováno v:
In Engineering Geology December 2024 343
We prove first that the realization $A_{\min}$ of $A:=\mathrm{div}(Q\nabla)-V$ in $L^2(\mathbb{R}^d)$ with unbounded coefficients generates a symmetric sub-Markovian and ultracontractive semigroup on $L^2(\mathbb{R}^d)$ which coincides on $L^2(\mathb
Externí odkaz:
http://arxiv.org/abs/2204.12146