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On the Stability of Mixed Additive--Quadratic and Additive--Drygas Functional Equations [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2021
In this paper,  we have improved some of the results in [C. Choi and   B. Lee, Stability of Mixed Additive-Quadratic and Additive--Drygas Functional Equations. Results Math.  75  no. 1 (2020), Paper No. 38].
Abbas Najati   +2 more
doaj   +1 more source

Sistematična preureditev mestnih ulic: prilagajanje podnebnim spremembam z večfunkcionalnimi podnebno odzivnimi uličnimi vrtovi

open access: yesUrbani Izziv, 2021
Uvedba zelene infrastrukture je uveljavljen pristop k blaženju učinkov toplotnih otokov in poplav na mestnih območjih, saj lahko vpliva na pomembno znižanje lokalne temperature v mestu in zmanjšanje nevarnosti poplav.
Marie Therese Fallast   +4 more
doaj   +1 more source

Systematically retrofitting city streets: Meeting the demands of climate change through multifunctional climate-responsive street gardens

open access: yesUrbani Izziv, 2021
The reintroduction of green infrastructure is a recognized approach to mitigating heat islands and flash floods in urban areas. Depending on its type and extent, green infrastructure (GI) can reduce local urban temperatures significantly and at the same ...
Marie Therese Fallast   +4 more
doaj   +1 more source

Analysis of Higher Dimensional Converter Using Graphical Approach

open access: yesIEEE Access, 2023
The main intention of this paper is to propose a methodology for deriving a reduced-order model from a complex n-dimensional system. The mathematical model for a voltage-lift-based quadratic high-gain dc-dc converter is proposed with a reduced-order ...
J. Divya Navamani   +5 more
doaj   +1 more source

SQ-Swin: Siamese Quadratic Swin Transformer for Lettuce Browning Prediction

open access: yesIEEE Access, 2023
Enzymatic browning is a major quality defect of packaged “ready-to-eat” fresh-cut lettuce salads. While there have been many research and breeding efforts to counter this problem, progress is hindered by the lack of a technology to identify
Dayang Wang   +4 more
doaj   +1 more source

RAINFALL TREND AND IT IMPACT IN KEFFI NASARAWA STATE [PDF]

open access: yesEngineering Heritage Journal, 2020
Rainfall is the vital ingredient and factor of soil nourishment on which crops are grown. The basic agricultural practices all over the world depend on rainfed cultivation for their sustainable development.
Ibrahim Sufiyan
doaj   +1 more source

Neutrosophic Quadratic Residues and Non-Residues [PDF]

open access: yesNeutrosophic Sets and Systems, 2021
In this paper, we present the Neutrosophic quadratic residues and nonresidues with their basic interpretation as graphs in an algebraic manner and analog to the algebraic graphs.
Chalapathi Tekuri   +2 more
doaj   +1 more source

New Pexiderizations of Drygas’ Functional Equation on Abelian Semigroups

open access: yesAnnales Mathematicae Silesianae, 2023
Let (S, +) be an abelian semigroup, let (H, +) be an abelian group which is uniquely 2-divisible, and let ϕ be an endomorphism of S. We find the solutions f, h : S → H of each of the functional equations f(x+y)+f(x+ϕ(y))=h(x)+f(y)+f∘ϕ(y), x,y∈S,f(x+y)+f ...
Aissi Youssef, Zeglami Driss
doaj   +1 more source

Quadratic Constrained Quadratic Estimation for Distribution Network with Limited Measurements [PDF]

open access: yesE3S Web of Conferences, 2021
Practical and efficient state estimation is essential for the safe and stable operation of future smart grid. In rectangular coordinates, distribution system state estimation (DSSE) problem can be described as a sparse quadratic constraint quadratic ...
Long Cheng   +4 more
doaj   +1 more source

A quadratic bilinear equation arising from the quadratic dynamical system [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2021
A quadratic dynamical system with practical applications is taken into consideration. This system is transformed into a new bilinear system with Hadamard products by means of the implicit matrix structure. The corresponding quadratic bilinear equation is
Bo Yu, Ning Dong, Qiong Tang
doaj   +1 more source

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