The analysis of the effect of piston speed on the operation of a refrigeration compressor operating in the area of wet steam by D. Kh. Sadvakasov, G. I. Chernov, V. S. Evdokimov, N. A. Raykovskiy

“…The numerical calculation of the working process of a refrigeration compressor operating in the field of wet steam was carried out on the basis of a mathematical model and implemented using the Runge– Kutta method of the 4th order in the MathCad package. …”
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On the Definitions of Nabla Fractional Operators by Thabet Abdeljawad, Ferhan M. Atici

“…We show that two recent definitions of discrete nabla fractional sum operators are related. Obtaining such a relation between two operators allows one to prove basic properties of the one operator by using the known properties of the other. …”
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On Cauchy–Pompeiu’s Operator in Octant Ring by Hasan Baddour, Anas Kar

“…Moreover, the boundedness of the modulated Cauchy–Pompeiu’s operator in R4 is proved by applying Schmitz’s inequality.…”
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On (p,q)-Analogue of Gamma Operators by Wen-Tao Cheng, Wen-Hui Zhang

“…In this paper, a kind of new analogue of Gamma type operators based on (p,q)-integers is introduced. The Voronovskaja type asymptotic formula of these operators is investigated. …”
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Perceptual Analysis of Tone Mapping Operators by Raazia Sosan, M. Hamza Qureshi, M. Zukhruf Bashir, Ahmad Hussain, Naz Islam

“…In this article, we evaluate several existing TMOs using two novel perceptual parameters: Structural Similarity Index (SSIM) and Color Difference Formula (CIEDE2000). …”
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Methods of Calculating Moisture Discharge Characteristics of Insulators by Shevchenko S., Danylchenko D., Hanus R., Radohuz S., Tomashevskiy R., Makhonin M., Potryvai A.

“…The article discusses methods for calculating the moisture discharge voltage of insulators under various operating conditions (pollution, humidity, etc.) to identify patterns of environmental influence on operational characteristics, as well as to improve the reliability and safety of power grids. …”
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On the Differential Operators with Periodic Matrix Coefficients by O. A. Veliev

“…We obtain asymptotic formulas for eigenvalues and eigenfunctions of the operator generated by a system of ordinary differential equations with summable coefficients and quasiperiodic boundary conditions. …”
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On the Spectral Asymptotics of Operators on Manifolds with Ends by Sandro Coriasco, Lidia Maniccia

“…The structure of this class of noncompact manifolds allows to make use of calculi of pseudodifferential operators and Fourier integral operators associated with weighted symbols globally defined on ℝn. …”
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Semi-analytical methodology for fretting wear evaluation of unlubricated pitch bearing raceways under operative and non-operative periods by D. Cubillas, M. Olave, I. Llavori, I. Ulacia, J. Larrañaga, A. Zurutuza, A. Lopez

“…The analysis is performed following the energy-based wear model and the calculation of a total of 30 times series of 10 min of duration concerning winds speeds from 3 to 25 m s<span class="inline-formula">⁻¹</span>. …”
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Approximation Properties of New Modified Gamma Operators by Yun-Shun Wu, Wen-Tao Cheng, Wei-Ping Zhou, Lun-Zhi Deng

“…Also, weighted approximation of these operators is discussed. Finally, the quantitative Voronovskaya-type asymptotic formula and Grüss Voronovskaya-type approximation are presented.…”
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Approximation Properties of a New Gamma Operator by Jieyu Huang, Qiulan Qi

“…This paper deals with a kind of modification of the classical Gamma operators defined on the semiaxis which holds fixed functions 1 and e−μx μ>0. …”
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On the Singular Spectrum for Adiabatic Quasiperiodic Schrödinger Operators by Magali Marx, Hatem Najar

“…We study spectral properties of a family of quasiperiodic Schrödinger operators on the real line in the adiabatic limit. …”
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Saline–CO₂ Solution Effects on the Mechanical Properties of Sandstones: An Experimental Study by Motao Duan, Haijun Mao, Guangquan Zhang, Junxin Liu, Sinan Zhu, Di Wang, Hao Xie

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Phillips-Type q-Bernstein Operators on Triangles by Asif Khan, M. S. Mansoori, Khalid Khan, M. Mursaleen

“…Based on Peano’s theorem and using modulus of continuity, the remainders of the approximation formula of corresponding operators are evaluated. …”
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Maximal productivity rate of threading machine operations by Ryspek Usubamatov, Darina Kurganova, Sarken Kapayeva

“…The physics of metal-cutting technologies is complex and cannot be described by one mathematical model because of different natures. …”
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A New Generalized Chebyshev Matrix Algorithm for Solving Second-Order and Telegraph Partial Differential Equations by Waleed Mohamed Abd-Elhameed, Ramy M. Hafez, Anna Napoli, Ahmed Gamal Atta

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On Defining Expressions for Entropy and Cross-Entropy: The Entropic Transreals and Their Fracterm Calculus by Jan A. Bergstra, John V. Tucker

“…Classic formulae for entropy and cross-entropy contain operations <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mstyle scriptlevel="0" displaystyle="true"><mfrac><mi>x</mi><mn>0</mn></mfrac></mstyle></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mo form="prefix">log</mo><mn>2</mn></msub><mi>x</mi></mrow></semantics></math></inline-formula> that are not defined on all inputs. …”
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Ground vibration effect evaluation due to blasting operations by Mohammad Forrukh Hossain Khan, Md. Jafar Hossain, Mohammad Tofayal Ahmed, Minhaj Uddin Monir, Md. Aliur Rahman, Tania Sultana Sweety, Faysal Ahamed Akash, Shaik Muntasir Shovon

“…The United States Bureau of Mines (USBM) formula was applied to evaluate datasets correlating scaled distance with particle velocity. …”
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On the symbol of singular operators in the case of contour with corner points by Vasile Neagu, Petru Moloșnic

“…The definition of the symbol function involves numbers that characterize the space in which the research is being carried out, as well as the values of the corner points of the contour, which makes it possible to obtain formulas for calculating the essential norms of singular operators and conditions for the solvability of singular equations with a shift and complex conjugation. …”
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Las series de tiempo fractales y un método de pronóstico by Guillermo Romero-Meléndez, Rogelio Ojeda-Suárez, Agustín Nava-Huerta, Carlos Alberto García-Valdez

“…Los autores presentan aquí un método de pronóstico para las series de tiempo fractales, y una variación de la fórmula de Feder que estimula el movimiento browniano fraccionario. …”
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