Sharp bounds are obtained for the second and third Hankel determinants of the starlike MA-Minda class S*(φ) defined by subordination to the quadratic 1 + z + (m/n)z² with 2m ≤ n.
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math.CV 4years
2026 4verdicts
UNVERDICTED 4representative citing papers
Sharp second and third Hankel determinants are obtained for functions in the class C(φ) of convex univalent functions defined by subordination to a quadratic function, with extremal functions identified.
Sharp second and third Hankel determinants are obtained for the class C(φ) where φ(z) = (1 + z/2)^2.
Sharp second and third Hankel determinants are obtained for the class S*((1 + z/2)^2) along with the extremal functions achieving the bounds.
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The second and third Hankel determinants for starlike MA--Minda subclass associated to quadratic polynomials
Sharp bounds are obtained for the second and third Hankel determinants of the starlike MA-Minda class S*(φ) defined by subordination to the quadratic 1 + z + (m/n)z² with 2m ≤ n.
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Sharp Estimates of Hankel Determinants for certain classes of convex univalent functions
Sharp second and third Hankel determinants are obtained for functions in the class C(φ) of convex univalent functions defined by subordination to a quadratic function, with extremal functions identified.
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The second and third Hankel determinants for certain convex subclass of functions
Sharp second and third Hankel determinants are obtained for the class C(φ) where φ(z) = (1 + z/2)^2.
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The second and third Hankel determinants for certain classes of functions
Sharp second and third Hankel determinants are obtained for the class S*((1 + z/2)^2) along with the extremal functions achieving the bounds.