Results 31 to 40 of about 231,053 (315)

Phylogeny of rock-inhabiting fungi related to Dothideomycetes [PDF]

open access: yes, 2009
The class Dothideomycetes (along with Eurotiomycetes) includes numerous rock-inhabiting fungi (RIF), a group of ascomycetes that tolerates surprisingly well harsh conditions prevailing on rock surfaces. Despite their convergent morphology and physiology,
F. Lutzoni   +26 more
core   +1 more source

Contractive adjustment in Mexico, 1982-1989

open access: yesPSL Quarterly Review, 2013
The work assesses the macroeconomic effects of the IMF’s contractive adjustment strategy in Mexico’s recent evolution, while raising some theoretical challenges to several of the underlying assumptions that have sustained the Mexican government’s recent ...
G. J. LÓPEZ
doaj   +1 more source

Differential Evolution with Estimation of Distribution for Worst-Case Scenario Optimization

open access: yesMathematics, 2021
Worst-case scenario optimization deals with the minimization of the maximum output in all scenarios of a problem, and it is usually formulated as a min-max problem.
Margarita Antoniou, Gregor Papa
doaj   +1 more source

A class of abstract quasi-linear evolution equations of second order

open access: yes, 1999
In this paper we study the abstract quasi-linear evolution equation of second order formula here in a general banach space z. it is well-known that the abstract quasi-linear theory due to kato [10, 11] is widely applicable to quasi-linear partial ...
NAOKI TANAKA, Tanaka, Naoki
core   +1 more source

Seismic pulse propagation with constant Q and stable probability distributions

open access: yesAnnals of Geophysics, 1997
The one-dimensional propagation of seismic waves with constant Q is shown to be governed by an evolution equation of fractional order in time, which interpolates the heat equation and the wave equation.
M. Tomirotti, F. Mainardi
doaj   +1 more source

Direct and inverse problems related to MEMS

open access: yes, 2009
This paper deals with direct and inverse evolution problems which come up in studying micro-electro-mechanical-systems: here we consider a nonlinear and nonlocal MEMS model.
A. Lorenzi   +3 more
core   +1 more source

Statistical Models of the Protein Fitness Landscape: Applications to Protein Evolution and Engineering [PDF]

open access: yes, 2012
Understanding the protein fitness landscape is important for describing how natural proteins evolve and for engineering new proteins with useful properties.
Romero, Philip Anthony
core   +1 more source

A Discrete Dynamical Model of Signed Partitions

open access: yesJournal of Applied Mathematics, 2013
We use a discrete dynamical model with three evolution rules in order to analyze the structure of a partially ordered set of signed integer partitions whose main properties are actually not known.
G. Chiaselotti   +3 more
doaj   +1 more source

Hold-Up Problems in International Gas Trade: A Case Study

open access: yesEnergies, 2021
The infrastructure required for international natural gas trade is considerable, which often leads to hold-up problems and supply disruptions. This study discusses disruptions of gas supply from Algeria, Indonesia, Russia, and Turkmenistan since the ...
Guych Nuryyev, Tomasz Korol, Ilia Tetin
doaj   +1 more source

Health‐Related Quality of Life and Symptom Severity Among Patients With PIK3CA‐Related Overgrowth Spectrum: A Mixed‐Methods Study to Understand Real‐World Experience With Alpelisib Treatment

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background PIK3CA‐related overgrowth spectrum (PROS) includes several rare overgrowth disorders resulting from somatic gain‐of‐function mutations in PIK3CA. Despite treatment advances, including the recent approval of alpelisib for PROS in the United States, literature detailing the patient experience with PROS is limited.
Vamsi Bollu   +8 more
wiley   +1 more source

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