How Many Intersections Can a Helical Curve Have with the Unit Sphere During One Period?

DOI10.2307/2322542zbMath0601.49027OpenAlexW4231229481MaRDI QIDQ3736432

Thomas E. Carter

Publication date: 1986

Published in: The American Mathematical Monthly (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2307/2322542

zbMATH Keywords

fixed-time linear optimal control

Mathematics Subject Classification ID

Linear systems in control theory (93C05) Control problems involving ordinary differential equations (34H05) Control/observation systems governed by ordinary differential equations (93C15) Optimality conditions for problems involving ordinary differential equations (49K15) Optimality conditions for solutions belonging to restricted classes (Lipschitz controls, bang-bang controls, etc.) (49K30) Controllability, observability, and system structure (93B99)

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