• Weighted Analogue of LBB Conditions for Solving the Stokes Problem with Model Boundary Conditions in a Domain with Singularity 

  Rukavishnikov, Alexey V.; Рукавишников, Алексей В. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  In the paper the concept of a Rν -generalized solution for the Stokes problem with model boundary conditions in a domain with a corner singularity is defined. Weighted analogue of the Ladyzhenskaya-Babuska-Brezzi conditions ...

• On some Commutative and Idempotent Finite Groupoids Associated with Subnets of Multilayer Feedforward Neural Networks 

  Litavrin, Andrey V.; Moiseenkova, Tatyana V.; Литаврин, Андрей В.; Моисеенкова, Татьяна В. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The work studies commutative and idempotent finite groupoids that are associated with subnetworks of multilayer feedforward neural networks (hereinafter simply neural networks). Previously, the concept of a neural network ...

• On Weakly Contractions Via w-distances 

  Hossein Lakzian; Sedigheh Barootkoob; Nicola Fabiano; Stojan Radenovi´c; Хоссейн Лакзиан; Седигех Барооткуб; Никола Фабиано; Стоян Раденович (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  In this article, we will check whether the known results remain valid if the metric d is replaced by the w-distance p. we show that in some contractive conditions where w-distance p participates instead of metric d, ...

• On the Aris-Amundson model 

  Kytmanov, Alexander M.; Khodos, Olga V.; Кытманов, Александр М.; Ходос, Ольга В. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The work is devoted to the study of the real roots of the system of transcendental Aris– Amundson equations. It is shown that the number of real roots is related to the number of real roots of some entire function ...

• On Spectra and Minimal Polynomials in Finite Semifields 

  Kravtsova, Olga V.; Kuzmin, Ilya K.; Кравцова, Ольга В.; Кузьмин, Илья К. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  We apply the notion of a one-side-ordered minimal polynomial to investigations in finite semifields. A proper finite semifield has non-associative multiplication, that leads to the anomalous properties of its left and ...

• Existence of Bianchi type Cosmological Phantom universe with Polytropic EoS Parameter in Lyra’s Geometry 

  Suryanarayana Kornu; Rajamahanthi Santhikumar; A. Lakshmana Rao; M. Ramanamurty; P. Sudheer Kumar; K. Seetharam; B. Divya; Сурьянараяна Корну; Раджамаханти Сантикумар; А. Лакшмана Рао; М. Раманамурти; П. Судхир Кумар; К. Ситхарам; Б. Дивья (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  This study explores the Bianchi type-V cosmological model with in the frame work of general relativity, featuring a perfect fluid governed by the polytropic equation in Lyra’s Geometry, expressed p = αρ + kρn, as proposed ...

• Model of Receiving Channels of an Adaptive Antenna Array to Assess the Impact of Differences in their Characteristics on the Efficiency of Interference Suppression 

  Tyapkin, Valery N.; Dmitriev, Dmitry D.; Shtro, Pavel V.; Luferchik, Pavel V.; Tyapkin, Igor V.; Mikhov, Evgenii D.; Тяпкин, Валерий Н.; Дмитриев, Дмитрий Д.; Штро, Павел В.; Луферчик, Павел В.; Тяпкин, Игорь В.; Михов, Евгений Д. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The article proposes a mathematical model that allows us to evaluate the impact of differences in the characteristics of reception channels on the quality of noise suppression in radio devices equipped with antenna ...

• A Novel Protocol for Cell Nanomechanical Assay combined with Rapid Protein Profiling Via AFM-LSM Pattern Colocalization 

  Shmelev, Mikhail E.; Kravchenko, Anna K.; Kumeiko, Vadim V.; Шмелев, Михаил Е.; Кравченко, Анна К.; Кумейко, Вадим В. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The cell mechanical assay has emerged as a powerful approach to studying cellular behav- ior and protein dynamics. This work presents the novel protocol that combines cell nanomechanical assay with rapid protein expression ...

• Solving Cauchy Problem for Elasticity Equations in a Plane Dynamic Case 

  Senashov, Sergei I.; Savostyanova, Irina L.; Cherepanova, Olga N.; Сенашов, Сергей И.; Савостьянова, Ирина Л.; Черепанова, Ольга Н. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  Equations of elasticity in a plane dynamic case are considered in this paper. The system of equations is replaced by system of first-order differential equations with the same solution. The solution-equivalent system is ...

• Characteristic Determinant of a Perturbed Regular Third-order Differential Operator on an Interval 

  Imanbaev, Nurlan S.; Иманбаев, Нурлан С. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The spectral problem for a third-order operator with an integral perturbation of one of the boundary value conditions are considered in the paper. Conditions are regular and at the same time strongly regular. A feature ...

• Wave Propagation in a Blocky-layered Medium with Thin Interlayers 

  Efimov, Evgenii A.; Sadovskii, Vladimir M.; Ефимов, Евгений А.; Садовский, Владимир М. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  In this paper, a mathematical model of a blocky-layered medium is studied. Deformable elastic blocks and thin elastic and viscoelastic interlayers are considered. Viscoelasticity is taken into account to describe wave ...

• Global Solvability of a Kernel Determination Problem in 2D Heat Equation with Memory 

  Durdiev, Durdumurod K.; Nuriddinov, Zhavlon Z.; Дурдиев, Дурдимурод К.; Нуриддинов, Жавлон З. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The inverse problem of determining two dimensional kernel in the integro-differential heat equation is considered in this paper. The kernel depends on the time variable t and space variable x. Assuming that kernel function ...

• Diffusion and Electromigration of Ions – Products of the Proton Exchange Reaction in a Benzoic Acid Melt 

  Demin, Vitaly A.; Petukhov, Maxim I.; Демин, Виталий А.; Петухов, Максим И. (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The work is devoted to a numerical study of the transport of proton exchange reaction products in a benzoic acid melt after the interaction of its molecules with a lithium niobate crystal. Due to dissociative adsorption ...

• Certain Integral Formulas Involving Products of Two Incomplete Beta Functions 

  Ahmed Ali Atash; Ахмед Али Аташ (Journal of Siberian Federal University. Сибирский федеральный университет, 2025-02)

  The aim of this paper is to obtain some integral formulas involving products of two incomplete beta functions in terms of general triple hypergeometric series and Kamp´e de F´eriet function. Some new particular integral ...

• Пеленгации точечных источников шумовых излучений 

  Штро, П. В.; Тяпкин, И. В.; Кириченко, В. Н.; Тяпкин, В. Н.; Гарин, Е. Н.; Луферчик, П. В.; Shtro, Pavel V.; Tyapkin, Igor V.; Kirichenko, Valeriy N.; Tyapkin, Valeriy N.; Garin, Yevgeniy N.; Luferchik, Pavel V. (Journal of Siberian Federal University. Сибирский федеральный университет, 2024-11)

  Исследуется разрешающая способность двух разновидностей систем комбинированной пеленгации точечных источников независимых шумовых излучений при неидентичных характеристиках каналов приема. Показаны преимущества комбинирования ...

• Retraining Data Sequence for Combined Detector 

  Muhanned AL-Rawi; Муханнед Аль-Рави (Journal of Siberian Federal University. Сибирский федеральный университет, 2024-11)

  This work presents two detectors that are employed to manage the intersymbol interference that the communication channels introduce. These two detectors work by combining a Viterbi detector and a nonlinear equalizer. The ...

• Математическое моделирование электромагнитного насоса с функциями дозирования, перемешивания и подогрева 

  Плотников, Д. С.; Тимофеев, В. Н.; Васильев, Е. И.; Plotnikov, Dmitry S.; Timofeev, Viktor N.; Vasiliev, Evgeniy I. (Journal of Siberian Federal University. Сибирский федеральный университет, 2024-11)

  В представленной статье приведены результаты математического моделирования магнитогидродинамических (далее МГД) процессов в электромагнитном насосе с тройниковой рабочей частью. Научное изыскание проводилось с применением ...

• Application of UWB Modem in WBAN Network: Performance Study Over AWGN Channed 

  Mohanad Abdulhamid; Моханад Абдулхамид (Journal of Siberian Federal University. Сибирский федеральный университет, 2024-11)

  The major constraints in the design of Wireless Body Area Network(WBAN) can be attributed to the battery autonomy, need for high data rate services and low interference from the devices operating within the industrial, ...

• Исследование наногетероструктур WS2-SnO2 фотоэлектрохимического назначения, полученных методом электроискровой эрозии 

  Рахимбеков, К. А.; Ан, В. В.; Молочкова, Д. А.; Блинова, А. А.; Усольцева, Н. В.; Пустовалов, А. В.; Дамдинов, Б. Б.; Rakhimbekov, Kakhramon Anvar Ugli; An, Vladimir V.; Molochkova, Darya A.; Blinova, Anna A.; Usoltseva, Natalya V.; Pustovalov, Aleksey V.; Damdinov, Bair B. (Journal of Siberian Federal University. Сибирский федеральный университет, 2024-11)

  В данной работе представлены результаты исследований физико‑химических и фотоэлектрохимических свой ств наногетероструктур WS2-SnO2, полученных методом электроискровой эрозии. Данные рентгенофазового анализа показали ...

• Application of Biological Substances to Increase the Strength of Materials and Structures 

  Turakhujaeva, Shirinkhon N.; Turakhodjaeva, Fazilatkhon N.; Komolov, Khayriddin; Karimov, Kamolkhan A.; Turakhodjaev, Nodir J.; Obidov, Ziyodullo R.; Shohiyon, Almossho N.; Abduvaliev, Abdunabi M.; Турахужаева, Ш. Н.; Тураходжаева, Ф. Н.; Комолов, Х.; Каримов, К. А.; Тураходжаев, Н. Д.; Обидов, З. Р.; Шохиён, А. Н.; Абдувалиев, А. М. (Journal of Siberian Federal University. Сибирский федеральный университет, 2024-11)

  This article explores the innovative field of bioconcrete, where bacteria, specifically Bacillus pasteurii, are employed to enhance the strength and durability of concrete structures. The key mechanism involves the ...

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