Vol. 78 No. 7-8 (2026)

Research articles

• Scattering matrices for perturbations of Laplace operator by infinite sums of zero-range potentials

  V. Adamyan

  491–512

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• Normally solvable boundary-value problems with degenerate impulsive action

  P. Benner, S. Chuiko, V. Chuiko

  513–527

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• Evolutionary inequalities for functionals with fixed points in the complex plane

  I. Denega

  528–540

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• On the proximate order and lower proximate order for meromorphic functions

  M. Zabolotskyy, T. Zabolotskyy, M. Mostova

  541–547

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• On weakly $(n-1)$-convex sets in low-dimensional Euclidean spaces

  T. Osipchuk

  548–562

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• On solutions of some extreme problems in the classes of mappings defined in a ring

  R. Salimov, E. Sevost’yanov, D. Romash

  563–574

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• Weakly nonlinear boundary-value problem for a two-term sequential fractional differential equation

  V. Feruk

  575–587

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• Hom-structures and bihom-structures of antiflexible and pre-antiflexible algebras

  Walid Aloulou, Mansour Jebli

  588–589

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• A parallel transport frame field approach to soliton surfaces associated with the Betchov–Da Rios equation in four space

  Mustafa Altın, Ahmet Kazan

  590–591

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• Families of spiral-like functions connected with the Rabotnov function

  Şahsene Altınkaya

  592

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• A new approach to signal denoising in the analytic univalent function space

  Adeniyi Abimbola Ayeni, Abiodun Tinuoye Oladipo

  593–594

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• Existence results for $\varphi$-Caputo fractional semilinear evolution equations

  Walid Benhadda, Ali El Mfadel, Abderrazak Kassidi, M'hamed Elomari

  595–596

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• Hyper-commuting generalized derivations acting on Lie ideals in prime rings

  B. Dhara, M. S. Tammam El-Sayiad

  597–598

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• On flat profiles of module classes

  Yılmaz Durǧun, Salahattin Özdemir, Zübeyir Türkoğlu

  599–600

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• Geometric classification of totally umbilical quasi-hemislant submanifolds

  Tanveer Fatima, Sharief Deshmukh

  601–602

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• Additivity of Heegaard genera under annulus sum

  Qi-Long Guo, Qian-Hui Dai, Shu-Xin Wang

  603–604

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• Multilinear polynomial identities under the action of generalized skew derivations

  Pallavee Gupta, S. K. Tiwari, Lovepreet Singh

  605

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• On $\mathsf{q}$-starlike functions related to $\mathsf{q}$-Bernoulli numbers

  Kashif Javed, Mohsan Raza

  606

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• Radius type inequalities of certain harmonic univalent mappings and their partial sums

  Akash Meher, Priyabrat Gochhayat

  607–608

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• Zeros and asymptotics of a certain class of Sobolev-type Meixner polynomials

  N. Neha, A. Swaminathan

  609–610

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• Some  properties of an extended Fourier convolution operator and its applications

  Phan Thi Tuyet

  611

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• Fibonacci-based generalizations of Bessel polynomials and their applications to Fibonacci-analogue Bessel filters

  Mumtaz Riyasat

  612–613

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• Surjective isometry in reflexive strongly facially symmetric spaces

  Jumabek Seypullaev, Dilfuza Eshniyazova

  614

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• Generalized Fourier–Cesàro sums for functions of bounded variation

  Vakhtang Tsagareishvili, Giorgi Tutberidze, Giorgi Cagareishvili

  615–616

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• Tauberian theorems for the statistical deferred Cesàro summability of sequences of fuzzy numbers

  Ebrar Yıldırım, İbrahim Çanak

  617–618

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• Pseudo almost periodic dynamical behaviors of hematopoiesis model

  Mohammed Zarhouni, Mohamed Zitane

  619–620

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