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Improved upper bound of third order Hankel determinant for Ozaki close-to-convex functions
(Element d.o.o., 2022)
In this paper we improve the upper bound of the third order Hankel determinant for
the class of Ozaki close-to-convex functions. The sharp bound is conjectured.
Hermitian Toeplicz determinants fr the class S of univalent functions
(National Academy of Sciences of the Republic of Armenia, 2021)
Introducing a new method, we give sharp estimates
of the Hermitian Toeplitz determinants of third order for the
class S of functions univalent in the unit disc. The new approach
is also illustrated on some subclasses ...
Weighted P-partitions enumerator
(Applicable Analysis and Discrete Mathematics, 2021)
To an extended generalized permutohedron we associate the weighted integer points enumerator, whose principal specialization is the f-polynomial. In the case of poset cones it refines Gessel's P-partitions enumerator. We ...
Zalcman and generalized Zalcman conjecture for the class U
(Prirodno-matematički fakultet - Departman za matematiku i informatiku, Novi Sad, 2022)
Sharp bounds of the third Hankel determinant for classes of univalent functions with bounded turning
(Akademie věd České republiky, Matematický ústav, 2022)
We improve the bounds of the third order Hankel determinant for two classes
of univalent functions with bounded turning.
Integer points enumerator of hypergraphic polytopes
(Mathematical Institute of the Serbian Academy of Sciences and Arts, 2021)
For a hypergraphic polytope there is a weighted quasisymmetric
function which enumerates positive integer points in its normal fan
and determines its f −polynomial. This quasisymmetric function
invariant of hypergraphs ...
On third order Hankel determinant for inverse functions of certain classes of univalent functions
(EU Academic Publishers (EUAP), a mathematical journal publishing platform, operated by Research Group on Mathematical Applications and Modelling (RGMAM), UK., 2022)
In this paper we determine the upper bounds for the Hankel determinant of third
order for the inverse functions of functions from some classes of univalent functions.
Hankel determinant of second order for inverse functions of certain classes of univalent functions
(Union of Researchers of Macedonia, R. North Macedonia, 2023)
In this paper we determine mainly sharp upper bounds for the Hankel
determinant of second order for the inverse functions of functions from some
classes of univalent functions.
Hankel determinant of type H_2(3) for inverse functions with missing second coefficients
(University of Alba Iulia, Department of Mathematics and Informatics, 2022)
Sharp estimate of the fifth coefficients for the class U(lambda)
(University of Mazandaran Press, 2022)