Results 31 to 40 of about 706,319 (269)

Changes in Soil Chemical Properties Due to Long-Term Compost Fertilization Regulate Methane Turnover Related Gene Abundances in Rice Paddy

open access: yesApplied Sciences, 2022
Maintaining rice yield, soil function, and fertility are essential components of long-term compost fertilization. However, paddy fields are major sources of anthropogenic methane emissions. The aim of the study is to evaluate the changes in soil chemical
Chungwoo Kim   +8 more
doaj   +1 more source

Numbers and functions in quantum field theory [PDF]

open access: yesPhysical Review D, 2018
We review recent results in the theory of numbers and single-valued functions on the complex plane which arise in quantum field theory. We use the results to calculate the renormalization functions $β$, $γ$, $γ_m$ of dimensionally regularized $ϕ^4$ theory in the minimal subtraction scheme up to seven loops.
openaire   +2 more sources

Quantum gravity effects on the thermodynamic stability of 4D Schwarzschild black hole

open access: yesJournal of High Energy Physics, 2017
Based on the Euclidean approach, we consider the effects of quantum gravity and mass-less matter on the thermodynamic properties of Schwarzschild black hole.
Basem Kamal El-Menoufi
doaj   +1 more source

On the zeta function of number fields

open access: yesInventiones Mathematicae, 1971
A simple principle can be taken as guide in extending basic results of analytic number theory as in Titchmarsh to algebraic number fields: Whenever you see a \(T\) in an estimate, with a logarithm, then replace it by \(d_kT^{N_k}\), where \(d_k\) is the discriminant of the field \(k\), and \(N_k\) is the degree.
openaire   +2 more sources

Function fields of class number one

open access: yesJournal of Number Theory, 2015
In 1975, [LMQ] listed 7 function felds over fnite felds (up to isomorphism) with positive genus and class number (i.e., the size of the divisor class group of degree zero) one and claimed to prove that these were the only ones such. In [S1], Claude Strirpe found 8th one!
Qibin Shen, Shuhui Shi
openaire   +2 more sources

Two-Dimensional Quasi-Periodic Diffraction Properties of the Scalar and Vector Optical Fields

open access: yesPhotonics, 2023
As is known, quasi-periodicity attracts great attention in many scientific regions. For instance, the discovery of the quasicrystal was rewarded the Nobel Prize in 2011, leading to a series of its applications.
Yue Pan   +6 more
doaj   +1 more source

Estimating the size of fields in biomedical sciences

open access: yesmSystems
Scientific research output has increased exponentially over the past few decades, but not equally across all fields of study, and we lack clear methods for estimating the size of any given field of research. Understanding how fields grow, change, and are
Quigly Dragotakes, Arturo Casadevall
doaj   +1 more source

Renormalization group fixed points of foliated gravity-matter systems

open access: yesJournal of High Energy Physics, 2017
We employ the Arnowitt-Deser-Misner formalism to study the renormalization group flow of gravity minimally coupled to an arbitrary number of scalar, vector, and Dirac fields. The decomposition of the gravitational degrees of freedom into a lapse function,
Jorn Biemans   +2 more
doaj   +1 more source

On the determination of number fields by L-functions [PDF]

open access: yesJournal de théorie des nombres de Bordeaux, 2017
We prove that a Galois number field is determined by any Artin L-function corresponding to a character of the Galois group which contains all irreducible characters.
openaire   +2 more sources

Galerkin finite element analysis of Darcy–Brinkman–Forchheimer natural convective flow in conical annular enclosure with discrete heat sources

open access: yesEnergy Reports, 2021
This numerical study is intended for the analysis of thermal convection induced by buoyancy forces generated within a conical annular porous gap. The annulus was vertically positioned, it contains a discrete heat source and is filled with a Single-Walled
Wael Al-Kouz   +10 more
doaj   +1 more source

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