Vol. 22 No. 1 (2026)

View Vol. 22 No. 1 (2026)

Articles

Measures and Dynamics on Pascal–Bratteli Diagrams

Sergey Bezuglyi, Artem Dudko, Olena Karpel

3–21
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Local Rigidity of Convex Hypersurfaces in Spaces of Constant Curvature

Alexander A. Borisenko

22–33
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Approximate Controllability Problems for the Heat Equation in a Half-Plane Controlled by the Dirichlet Boundary Condition with a Bounded Control

Larissa Fardigola, Kateryna Khalina

34–65
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On the Restrictions of Weakly Demicompact Operators and Generalized Fredholm Theory

Omaima Kchaou, Bilel Krichen

66–79
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Simple Closed Geodesics on Regular Spherical Polyhedra

Darya Sukhorebska

80–104
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Chronicle

In memory of Volodymyr Marchenko (1922–2026)

105-108
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