Contents

Regular and Chaotic Dynamics

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Vol. 31, No. 4, 2026

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On Which Closed Nonorientable Surfaces Do Pseudo-Anosov Homeomorphisms Exist?

Anatoly A. Medvedev p. 503  abstract

Construction of an Anosov Spatial Linkage

Shu Sakaguchi and Mitsuru Shibayama p. 518  abstract

Decomposition of Symmetrical Classes of Central Configurations

Marcelo P. Santos and Leon D. da Silva p. 531  abstract

On the Finiteness Issue of Four-Body Balanced Configurations in the Plane

Yuchen Wang and Lei Zhao p. 560  abstract

Nondeterministic Billiards

Manuel Quaschner p. 591  abstract

On the Novikov Problem for Superposition of Periodic Potentials

Andrey Ya. Maltsev p. 632  abstract

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