Darboux transformation for classical acoustic spectral problem by A. A. Yurova, A. V. Yurov, M. Rudnev

“…However, there is no one-to-one correspondence between the two problems. The technique developed enables one to construct new families of integrable potentials for the acoustic problem, in addition to those already known. …”
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The mixture of multiple regression equations: open problems by T. Ya. Yeleyko, O. A. Yarova

“…The sample is divided into parts and a~multiple regression equation is constructed for each part. We construct a mixture of regression equations. …”
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Singular perturbation for nonlinear boundary-value problems by Rina Ling

“…Asymptotic solutions of a class of nonlinear boundary-value problems are studied. The problem is a model arising in nuclear energy distribution. …”
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On a problem on explicit embeddings of the group ℚ by Vahagn H. Mikaelian

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On one problem with non-local boundary conditions by Raimondas Čiegis, Olga Štikonienė, Olga Suboč

“… In this article two problems with non-local boundary conditions are analysed: stationary dif­fusion problem with constant coeficients and non-local boundary condition, and stationary diffu­sion problem with additional convection term and non-local boundary condition. …”
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Application of identical transformations in Cauchy problem solving by A. A. Gorshkov, E. A. Korovaytseva

“…A polynomial method of Cauchy problem solving is presented. The method allows constructing a fundamental solution in locally analytical form for any type of function of the right part of the equation for normal form of differential equation. …”
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On the source problem for the diffusion equations with conformable derivative by Van Anh Nghiem Thi, Anh Tuan Vu, Dinh Long Le, Vuong Nguyen Doan

“…This is an ill-posed problem. So, we use the Reguralized Tikhonov method to construct a regularization solution, and the estimation of convergence is also discussed.…”
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TO THE PROBLEM OF HIGH-VOLTAGE EQUIPMENT NOISE DIAGNOSTICS by N. I. Ignatev

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Inverse Eigenvalue Problem of Unitary Hessenberg Matrices by Chunhong Wu, Linzhang Lu

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Theoretical framework of brain modelling and highlighted problems by Dongwei HU, Xiaolu FENG

“…Understanding how the brain works is an important way to constructing the final artificial general intelligence.Building models, and testing the correctness of these models play a pivotal role on understanding how the brain works.Firstly, the experimental techniques and mathematical modelling methods for the study of brain were reviewed, and then the block diagram model and theoretical framework were shown, with an emphasis on reinforcement learning.Finally, some highlighted problems in this area, and the relation with closely related disciplines were addressed.…”
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Identification of quality problems staff vocational training by Vera V. Zhivaeva, Vadim A. Nikovaev, Svetlana N. Parfenova, Elena P. Tuponosova

“…The value of the study for the theory and practice of software consists in constructing an identification procedure to support the adoption of informed decisions when choosing actions to prevent the development of quality problems.The developed identification procedure can be applied in the software system, providing an acceptable level of satisfaction of the enterprise personnel with the quality of training.…”
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Problem-Oriented Foundations of Intelligence in the Context of Superintelligence by Mark Burgin

“…The goal of this work is to develop a problem-oriented theory of intelligence in such a way that ecological characteristics become parameters of the problem-oriented model of intelligence. …”
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Use of the multigrid methods for heat radiation problem by Naji A. Qatanani

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SOME PROBLEMS OF THE ORGANIZATION OF NETWORK INTERUNIVERSITY INTERACTION by E. K. GITMAN, M. B. GITMAN, V. Yu. STOLBOV, A. P. CHUGUNOV

“…Solutions are based on network education program being developed in module and competence form and individual education program constructed with the preference to student wishes. Problems of organization of network interaction with foreign universities are considered separately. …”
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Neighborhood Problems in Apartments and Ethical solutions for Them by ali malakoutinia, mohammad taghi sobhaninia

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The Forms of Value: Problems of Convertibility in Field Theory by Göran Bolin

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PROPERTIES OF SOLUTIONS IN THE DUBINS CAR CONTROL PROBLEM by Artem A. Zimovets

“…TThis paper addresses the time-optimal control problem of the Dubins car, which is closely related to the problem of constructing the shortest curve with bounded curvature between two points in a plane. …”
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Problem of Existence of Joint Distribution on Quantum Logic by Oľga Nánásiová, Karla Čipková, Michal Zákopčan

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The Environmental Problem As a Priority for Political Theorizing by Pegah Mossleh

“…The number of political thinkers who find themselves facing the environmental problems and realize that it is necessary to pay attention to this issue in contemporary political theory is gradually increasing. …”
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Discrete optimizations’ problems of deliveries of heterogeneous products by V. V. Egorov

“…The polynomial complexity of the method, i.e. the problem is quickly solvable, and the significant limitation of the applicability of the method within the framework of the model are noted. …”
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