International Journal of Modern Sciences and Engineering Technology (IJMSET) ISSN 2349-3755
Volume.1 & Issue.7 Pages: 1-118
Editor-in-Chief Dr.K.V.L.N.Acharyulu
Published by Advanced Scientific Research Forum Editorial Board of IJMSET
Editor–in-Chief: Dr.K.V.L.N.Acharyulu Associate Professor,Bapatla Engineering college,Bapatla, India.
Associate Editor: Dr.N.Phani Kumar Professor & Head,Vignan Institute of Technology&Science,Hyderabad, India.
Editorial Board Members: *Prof.Dr.N.Ch.Pattabhi Ramacharyulu,Professor(Retd.) of Mathematics,N.I.T, Warangal,A.P,India.
*Prof.Dr. Martin Bohner,Missouri University of Science & Technology,Rolla,USA.
*Prof.Dr.Hüseyin Bor,Emeritus Professor,Bahçelievler , Ankara, Turkey.
*Prof.Dr.Francesco Zirilli,Sapienza Università di Roma, Roma, Italy.
*Prof.Dr.Yongkun Li,Yunnan,Yunnan University,Kunming, Yunnan,People's Republic of China.
*Prof.Dr.G.Chakradhara Rao,College Of Science & Technology. Andhra University, Visakhapatnam,India.
*Prof.Dr.Mircea I. Cirnu,University Politehnica, Bucharest, Romania.
*Prof.Dr.Md. Rafiqul Islam,Professor and Ex-Chairman,Rajshahi University,Bangladesh.
*Prof.Dr.Muataz A. Majeed,Dept of Physics,University of Tikrit, Iraq.
*Prof. N.Rama Gopal, Department of Chemical Engineering, Bapatla Engineering College,India.
*Prof.Dr.J.Venkateswara Rao,Mekelle University Main Campus,Mekelle,Ethiopia.
*Prof.Dr.Vyacheslav Tuzlukov,Kyungpook National University,Daegu,South Korea.
*Prof.Dr.K.L.Narayan,SLC'S Institute of Engineering & Technology,Hyderabad,India.
*Prof. Dr.Laith Ahmed Najam,Dept. of Physics,Mosul University, Iraq.
*Prof.Dr.Vuda Sreenivasarao,Defence University College, Debrezeit, Ethiopia.
*Prof.Dr Mohammad Mehdi Rashidi ,Bu-Ali Sina University, Hamedan, Iran.
*Dr.SIDI EL VALLY Mohameden,King Khalid University, Abha,Kingdom of Saudi Arabia.
*Dr. Somanchi VSSNVG Krishna Murthy,Associate Professor,Defence Institute of Advance Technology, Girinagar, Pune, India.
*Dr.Amir Azizi,Universiti Malaysia Pahang, Pahang, Malaysia.
*Dr.N.Srinivasa Rao,Assistant Professor,Bapatla Engineering College,Bapatla,India.
*Dr.Mustafa AVCİ,Batman University,Turkey. Editorial Board of IJMSET
*Dr. Shaik Nazeer,Associate Professor, Dept. of Computer Science & Engineering, Bapatla Engineering College,Bapatla,India.
*Dr.P.V.Srinivas,Associate Professor,DVR & Dr. HS MIC College of Technology,Kanchikacherla,India.
*Dr. Wei Ping Loh,Universiti Sains Malaysia,Nibong Tebal, Penang, Malaysia.
*Dr.Nicolae Adrian Secelean,Associate Professor,Lucian Blaga University,Sibiu, Romania.
*Dr.B.Ravindra Reddy,Associate Professor,JNTUH,College Of Engineering,Nachupally,India.
*Dr.Messaouda AZZOUZI,Associate professor,University Ziane Achour of Djelfa,Djelfa,Algeria.
*Dr.Noorbhasha Rafi,Assistant Professor,Bapatla Engineering College,Bapatla,India.
*Dr.P.Radha Krishna Kishore,Arba Minch University,Gamo Gofa,Ethiopia.
*Dr.Vishnu Narayan Mishra,Sardar Vallabhbhai National Institute of Technology,Surat,Gujarat,India.
*Dr. Ahmed Nabih Zaki Rashed ,Menoufia University,Menouf, Egypt.
*Dr.M.Chittaranjan,Assistant Professor,Bapatla Engineering College,Bapatla,India.
*Dr.Yusuf Pandir,Bozok University,Yozgat,Turkey.
*Dr.R.Guruprasad,Scientist, Knowledge and Technology Management Division ,CSIR-National Aerospace Laboratories, Bangalore.
*Dr.T.V.Surya Narayana,Associate Professor,Dept.of CSE,K.L.University,Vijayawada,India.
*Dr.Subha Ganguly,West Bengal University of Animal and Fishery Sciences, Panchasayar, Kolkata,India.
*Dr. Venkata Ragahavendra Miriampally,Adama Science & Technology University,Adama,Ethiopia.
*Prof. Hristo Vasilev Patev, SouthWest University “Neofit Rilski” Technical college ,Blagoevgrad, Bulgaria.
*Dr. N. Seshagiri Rao, Dept. of Basic Science & Humanities, Vignan’s Lara Institute of Technology and Science, Vadlamudi, India.
Eminent Scholars:
*Dr.Galal A. Hassaan,Emeritus Professor,Department of Mechanical Design & Production,Cairo University,Giza, Egypt.
*Dr.Th. Sachin Deva Singh,Prof. of Cardiology,RIMS,Imphal.
*Dr.Bhagawati Prasad Joshi,Department of Applied Sciences,Seemant Institute of Technology,Pithoragarh, India. Editorial Board of IJMSET
*Dr.R. Ramasamy,NCSHS, Department of Civil Engineering,Indian Institute of Technology Madras,Chennai,India.
*Dr.D.K.Bhattacharya,Professor Emeritus,Chief Scientist,Rabindra Bharati University,Kolkata, India.
*Dr.M.Manimaran,Faculty of Agriculture & Animal Husbandry,Gandhigram Rural Institute,Gandhigram.
*Dr.Ammar S. Mahmood,Professor,University of Mosul /College of Education Mosul, Iraq.
*Dr.A.Nellai Murugan,Dept.of Mathematics,V.O.Chidambaram,College,Thoothukudi,Tamilnadu,India.
*Dr.Syed Minhaz Hossain,Department of Physics,Indian Institute of Engineering Science,and Technology, Shibpur, India.
*Dr.Abdulrazag Y. Zekri,Professor,Engineering/Chemical and Petroleum Engineering,UAE University/Engineering,Al-Ain, UAE.
*Dr.Tapan Kumar Roy,Department of Mathematics,Shibpur , Howrah,West Bengal, India.
*Dr.S. Pious Missier,P.G. Department of Mathematics,V.O.Chidambaram College, Thoothukudi,India.
*Dr.Jayoti Das,Department of Physics,Jadavpur University,Kolkata,India.
*Prof.Xiaoping Li,Professor,Science college ,Hunan Agriculture University,Changsha, PR. China.
*Dr.S.Ramasamy,Department of Economics,Government Arts College,Salem,Tamilnadu,India.
*Dr.Ashfaq ul Hassan,Dept. of Anatomy,SKIMS Medical College, Bemina.
*Prof.Muthuraman S,Higher college of Technology,Muscat, and Sultanate of Oman.
*Dr.Selvam Avadayappan,Department of Mathematics,VHNSN College,Virudhunagar.
*Dr.Marcelo Castier,Professor,Engineering/Chemical Engineering,Texas A & M University of Qatar Al- Doha, Qatar.
*Dr.Ranjan Das,Department of Mathematics,Arya Vidyapeeth College,Guwahati, Assam, India.
*Dr.S.Ramamurthy,Professor,Department of Mathematics,Gokaraju Rangaraju Inst. of Engg.& Tech.,Hyderabad,India.
*Dr.A.K.Pathak,S.T.B.S.College Of Diploma Engg.,Surat, India.
*Dr.M. A. Kawoosa,Professor,Govt. P G , A . S .College,Srinager , Kashmir, India.
*Dr N Biplab Singh,Professor,Department Of Medicine,Regional Institute Of Medical Science,Imphal, Manipur. Editorial Board of IJMSET
*Dr.K . Chandrasekharara Rao,Department of Mathematics ,SASTRA University,Kumbakonam , India.
*Dr.Papa.M. Ndiaye,Universidade Federal do Paraná / Departamento de,Engenharia Química, Curitiba- PR, Brazil.
*Dr.Nana Kena Frempong,College of Science,KNUST,Kumasi-Ghana.
*Prof.G.C. Hazarika,Department of Mathematics,Dibrugarh University, Assam.
*Dr.Dipasri Bhattacharya,Professor and H.O.D.,Dept of Anaesthesiology,R.G.Kar Medical College, Kolkata,West Bengal.
*Dr.Amir Sadeghi,School of Mathematical Sciences,Universiti Sains Malaysia,Penang, Malaysia.
*Dr.Mohammad Ahmadvand, Islamic Azad University, Malayer Branch,Malayer, Iran.
*Dr.Jingjing Wang,Hunan University of Humanities,Science and Technology,Hunan, China.
*Dr.Stephen Arputha Raj,MIE,M.E,M.S,Ph.D,Dean,Amet University.
*Dr. K.GnanaSheela, ECE Department,Toc H Institute of Science & Technolog,Kerala,India.
*Dr.Abdullah,ZHDC, Delhi University,JLN Marg, New Delhi,India.
*Dr.Uliana Paskaleva, South-West University "Neofit Rilski", Technical, Blagoegvrad,Bulgaria.
*Dr.A.H.Srinivasa,Maharaja Institute of Technology,Mysore, India.
*Dr.A.T.Eswara,PES College of Engineering,Mandya,India.
*Dr. Smruti Tekale,Dept.of Applied Chemistry,Vidyalankar Institute of technology,Mumbai.
*Dr.T. Arun Kumar,University,College of Science,Osmania University,Hyderabad,Telangana.
*Dr. Mrs. Heena V Sanghani,Dept. of in Applied Science, Dr. Babasaheb Ambedkar College of Engineering and Research,Nagpur. Volume:1 & Issue:7 Article Author(s) & Title of the Article Page Number
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Characterization of Lipschitz spaces and the Zygmund Class using wavelet packets
Abdullah Department of Mathematics ZHDC, Delhi University JLN Marg, New Delhi-110 002, India. [email protected]
Abstract This paper deals with the characterization of Lipschitz spaces ( ), 0< <1 and the Zygmund class ( ) using wavelet packets and few results in this direction are proved. ∧ ℝ ∗ ∧ Keywords:ℝ Wavelet packets, multiresolution analysis, Lipschitz space and Zygmund class.
1. INTRODUCTION:
A simple, but powerful extension of wavelets and multiresolution analysis is wavelet packets, pioneered by Coifman, Meyer, Wickerhauser and other researchers [6, 7, 8, 14]. Discrete wavelet packets have been thoroughly studied by Wickerhauser [15], who has also developed computer programs and implemented them. The wavelet packets allow more flexibility in adapting the basis to the frequency contents of a signal and it is easy to develop a fast wavelet packet transform. The power of wavelet packet lies on the fact that we have much more freedom in deciding which basis function we use to represent the given function. The best basis selection criteria and application to image processing can be found in [9, 14].
Wavelet packet functions are generated by scaling and translating a family of basic function shapes, which include father wavelet and mother wavelet . In addition to and there is a whole range of wavelet packet functions . These functions are parameterized by an oscillation or frequency index . A father wavelet corresponds to =0,so .A mother wavelet corresponds to =1,so .Larger values of correspond to wavelet packets with more oscillations and higher frequency. = = Very recently, Ahmad, Kumar and Debnath have studied fourier transforms of wavelet packets in [2] and existence of unconditional wavelet packet bases in [3]. Certain results on wavelet packets have been studied by Ahmad and Abdullah in [1]. Jarrah, Kumar and Ahmad have studied certain characterization of wavelet packets in [11]. In the present paper, we study the characterization of Lipschitz spaces ( ), 0< <1,and the Zygmund class ( ) by using wavelet packets. Our results are generalizations of the results of Hernández and Weiss [10]. ∧ ℝ ∧∗ ℝ 2. PRELIMINARIES:
Throughout, the functions , and will stand for ( ) () () ), and ), respectively. , , , , , , ( ( Let and denote the set of integers and real numbers, respectively. For basic ideas, results on wavelets, wavelet packets and multiresolution analysis, we refer to [1, 2, 3, 4, 5, 10, 11, 12]. ℤ ℝ
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1 Abdullah /International Journal of Modern Sciences and Engineering Technology (IJMSET) ISSN 2349-3755; Available at https://www.ijmset.com Volume 1, Issue 7, 2014, pp.1-13
Theorem 2.1 [13]. For 0< <1 we define the Lipschitz space ( ) as the set of all ∞( ) such that ∧ ≡ ∧ ℝ ∈ ℝ
The norm in is given by
∧ and, with this norm, is a Banach space.
Definition 2.2 [10].∧ A function defined on belongs to the regularity class if there exist constants >0and >0such that ℝ ℝ , ,
Lemma 2.3 [10]. Let >0. Suppose that and satisfy