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Scientific research at the sub-department of higher and applied mathematics of Penza State University (1943–2023)

• Authors : Il'ya V. Boykov

Subjects: Physics; QC1-999; Mathematics

• Source: Известия высших учебных заведений. Поволжский регион: Физико-математические науки, Iss 4 (2023)

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Jacques Hadamard (1865–1963) — is the legend of mathematics and of absent-mindedness

• Authors : Trubetskov, Dmitriy Ivanovich

Subjects: jacques hadamard; Physics; QC1-999

• Source: Известия высших учебных заведений: Прикладная нелинейная динамика, Vol 30, Iss 4, Pp 387-390 (2022)

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St. Petersburg Polytechnical University Journal: Physics and Mathematics

Subjects: condensed matter physics; atom physics; optics

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Effect of doping agent evaporation on thermoelectric properties of carbon nanotube–polyaniline composite

• Authors : Tretyakov Artem; Kapralova Viktoria; Loboda Vera

Subjects: thermoelectrics; conducting polymers; carbon nanotubes

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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An algorithm for finding the damping coefficients based on vibration surveys using the frequency domain decomposition (FDD) method

• Authors : Andrianova Elena

Subjects: frequency domain decomposition; damping coefficient; spectral density matrix

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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A microwave method for measuring the low-frequency noise of transistors

• Authors : Usychenko Victor; Chernova Anastasiya

Subjects: low frequency noise; microwave transistor; fluctuations of microwave oscillations

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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The temperature effect on impulse dielectric strength of polymer films

• Authors : Semenov Sergey

Subjects: impulse dielectric strength; temperature; polypropylene

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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Discussion of plasma focus parameters and gain/loss energy ‎processes for a designed plasma focus device

• Authors : Nassif Alaa; Sahyouni Walid; Zeidan Ola

Subjects: dense plasma focus; ‎‏ lee code; ‎‎ line emission

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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The ways to form fullerens structure exemplified by С28 and С30 isomers

• Authors : Matvienko Aleksandra

Subjects: dimer; isomer; symmetry

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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On associated homogeneous Gelfand functions

• Authors : Berdnikov Alexander; Bulyanitsa Anton; Solovyev Konstantin

Subjects: associated homogeneous gelfand functions; homogeneous euler function; recurrent linear functional relations

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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