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Decision-making in complex systems such as nuclear power plants (NPPs) is a difficult task at best. The safety and integrity of many such high-capital cost-intensive installations depend on the operator’s capability to correctly diagnose and take ...
Hassan Qudrat-Ullah
doaj +1 more source
Logarithmic intertwining operators and vertex operators
This is the first in a series of papers where we study logarithmic intertwining operators for various vertex subalgebras of Heisenberg vertex operator algebras.
A. Bredthauer +22 more
core +3 more sources
Decomposition of nonlocal light-cone operators into harmonic operators of definite twist [PDF]
Bilocal light-ray operators which are Lorentz scalars, vectors or antisymmetric tensors, and which appear in various hard scattering QCD processes, are decomposed into operators of definite twist.
Ahmed +44 more
core +2 more sources
“Astropolitics” and weaponisation of space—Drawing past lessons to address space arms' escalation
Once a distant dream, today space is not only achievable, but has become the most important domain for both civilian and military purposes. Modern society and its economy have come to vitally rely on space assets for running crucial services, from ...
Francesco Ancona, Francesco Ancona
doaj +1 more source
Geometry of differential operators, and odd Laplace operators
We solve the following problem: to describe in geometric terms all differential operators of the second order with a given principal symbol. Initially the operators act on scalar functions. Operator pencils acting on densities of arbitrary weights appear
Khudaverdian, Hovhannes M. +1 more
core +1 more source
Aleksandrov operators as smoothing operators [PDF]
Let \(b\) be a holomorphic map from the open disc \(\mathbb{D}\) into itself. Then for each \(\alpha \in \mathbb{T}\) there exists a unique positive measure \(\tau_{\alpha}\) such that \[ \frac{1 - |b (z) |^2}{|\alpha - b (z) |^2} = \int_{\mathbb{T}} P_z (\xi) d \tau_{\alpha} (\xi) \] holds where \(P\) denotes the Poisson kernel. The author generalizes
openaire +3 more sources
Population size and dynamics fundamentally shape speciation by influencing genetic drift, founder events, and adaptive potential. Small populations may speciate rapidly due to stronger drift, whereas large populations harbor more genetic diversity, which can alter divergence trajectories. We highlight theoretical models that incorporate population size
Ryo Yamaguchi +3 more
wiley +1 more source
Outlines of presentations [PDF]
Illinois Custom Spray Operators' School Outline of Presentations. January 12-14, 1949.
Illinois Custom Spray Operators' School
core
Duodenal Diverticulitis: To Operate or Not To Operate? [PDF]
Duodenal diverticulum (DD) is a common incidental finding, which rarely causes complications. Perforation is one of the most feared and the least common complications. Surgery is the mainstay for complicated duodenal diverticulum, but with the advancement of medical treatment and intensive care, nonoperative management has been reported.
Suysen Hung Fong +4 more
openaire +3 more sources
Evolutionary interplay between viruses and R‐loops
Viruses interact with specialized nucleic acid structures called R‐loops to influence host transcription, epigenetic states, latency, and immune evasion. This Perspective examines the roles of R‐loops in viral replication, integration, and silencing, and how viruses co‐opt or avoid these structures.
Zsolt Karányi +4 more
wiley +1 more source

