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Total of 29 results found in site

8: Paper Source PDF document

Paper's Title:

On a subset of Bazilevic functions

Author(s):

Marjono and D. K. Thomas

Department of Mathematics,
Faculty of Mathematics and Natural Sciences,
Brawajaya University,
Malang, Jawa Timur 65145,
Indonesia.
E-mail: marjono@ub.ac.id

Department of Mathematics,
Swansea University, Singleton Park,
Swansea, SA2 8PP,
United Kingdom.
E-mail: d.k.thomas@swansea.ac.uk

Abstract:

Let S denote the class of analytic and univalent functions in of the form For α≥0, the subclass B1α of S of Bazilevic functions has been extensively studied. In this paper we determine various properties of a subclass of B1α, for α≥0 which extends early results of a class of starlike functions studied by Ram Singh.



7: Paper Source PDF document

Paper's Title:

The Higher Coefficients for Bazilevic Functions B1(α)

Author(s):

Marjono, Sa'adatul Fitri, and Krisna Adilia Daniswara

Department of Mathematics,
Faculty of Mathematics and Natural Sciences,,
Brawijaya University, Malang Jawa Timur 65145
Indonesia.
E-mail: marjono@ub.ac.id
saadatulfitri@ub.ac.id
krisnaadiliadaniswara@gmail.com
 

Abstract:

Let f be analytic in D{z: |z|< 1} with , and normalized by the conditions f(0)=f'(0)-1=0. We give sharp estimates for the seventh and eighth coefficients for the class of Bazilevic functions with logarithmic growth, B1α, defined by for α≥0.



5: Paper Source PDF document

Paper's Title:

A Subordination Theorem for Analytic Functions

Author(s):

Marjono

Department of Mathematics, Faculty of Mathematics and Natural Sciences,
University of Brawijaya,
Jl. Veteran Malang 65145,
INDONESIA.
E-mail: marjono@ub.ac.id
URL: http://matematika.ub.ac.id

Abstract:

It is shown that if f is analytic in D={z:|z|<1}, with f(0)=f'(0)-1=0, then for implies where and that β(γ) is the largest number such that this implication holds.



3: Paper Source PDF document

Paper's Title:

Stability of an Almost Surjective epsilon-Isometry in The Dual of Real Banach Spaces

Author(s):

Minanur Rohman, Ratno Bagus Edy Wibowo, Marjono

Department of Mathematics, Faculty of Mathematics and Natural Sciences,
Brawijaya University,
Jl. Veteran Malang 65145,
Indonesia.
E-mail: miminanira@gmail.com

Department of Mathematics, Faculty of Mathematics and Natural Sciences,
Brawijaya University,
Jl. Veteran Malang 65145,
Indonesia.
E-mail: rbagus@ub.ac.id

Department of Mathematics, Faculty of Mathematics and Natural Sciences,
Brawijaya University,
Jl. Veteran Malang 65145,
Indonesia.
E-mail: marjono@ub.ac.id

Abstract:

In this paper, we study the stability of epsilon-isometry in the dual of real Banach spaces. We prove that the almost surjective epsilon-isometry mapping is stable in dual of each spaces. The proof uses Gâteaux differentiability space (GDS), weak-star exposed points, norm-attaining operator, and some studies about epsilon-isometry that have been done before.



2: Paper Source PDF document

Paper's Title:

On Sufficient Conditions for Strong Starlikeness

Author(s):

V. Ravichandran, M. H. Khan, M. Darus, And K. G. Subramanian

School of Mathematical Sciences, Universiti Sains Malaysia, 11800 Usm Penang, Malaysia
vravi@cs.usm.my

Url
: h
ttp://cs.usm.my/~vravi/index.html

Department of Mathematics, Islamiah College, Vaniambadi 635 751, India
khanhussaff@yahoo.co.in

School of Mathematical Sciences, Faculty of Science and Technology, UKM, Bangi 43600,
M
alaysia
maslina@pkrisc.cc.ukm.my
Url
:
http://www.webspawner.com/users/maslinadarus

Department of Mathematics, Madras Christian College, Tambaram, Chennai 600 059, India

kgsmani@vsnl.net

Abstract:

In the present investigation, we obtain some sufficient conditions for a normalized analytic function f(z) defined on the unit disk to satisfy the condition



2: Paper Source PDF document

Paper's Title:

Local Boundedness of Weak Solutions for Singular Parabolic Systems of p-Laplacian Type

Author(s):

Corina Karim, Marjono

Department of Mathematics,
Universitas Brawijaya,
Indonesia.
E-mail:  co_mathub@ub.ac.id, marjono@ub.ac.id

Abstract:

We study the local boundedness of weak solutions for evolutional p-Laplacian systems in the singular case. The initial data is belonging to Lebesgue space L (0,T;W(1,p) (Ω,Rn )). We use intrinsic scaling method to treat the boundedness of weak solutions. The main result is to make the local boundedness of weak solution for the systems well-worked in the intrinsic scaling.



2: Paper Source PDF document

Paper's Title:

The Conservativeness of Girsanov Transformed for Symmetric Jump-diffusion Process

Author(s):

Mila Kurniawaty and Marjono

Department of Mathematics,
Universitas Brawijaya,
Malang,
Indonesia.
E-mail: mila_n12@ub.ac.id, marjono@ub.ac.id

Abstract:

We study about the Girsanov transformed for symmetric Markov processes with jumps associated with regular Dirichlet form. We prove the conservativeness of it by dividing the regular Dirichlet form  into the "small jump" part and the "big jump" part.


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