NEIGHBOURHOODS OF A CERTAIN SUBCLASS OF STARLIKE FUNCTIONS. P. Thirupathi Reddy. E. mail:

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NEIGHOURHOOD OF CERTIN UCL OF TRLIKE FUNCTION P Tirupi Reddy E mil: reddyp@yooom sr: Te im o is pper is o rodue e lss ( sulss o ( sisyig e odio wi is ( ) p < 0< E We sudy eigouroods o is lss d lso prove eessry d suiie odio i erms o ovoluios or uio o e ( 000 Muje Clssiiio: 30 C 45 Keywords: Neigourood uordio Hdmrd Produ Iroduio: Le deoe e lss o uios o e orm () JGRM 03 ll Rigs Reserved

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P Tirupi Reddy Jourl o Glol Reser i Memil rives () Novemer 03 - ( ) R Equivlely 0 ( ) Normliig e uio w i e res we ge 0 i E were () is e uio deied i (5) To ivesige e T- eigouroods o uios elogig o e lss ( we eed e ollowig Lemms Lemm : Le () is i ( e σ were σ d σ 0i is eve i is odd Proo: Le () ( e or R JGRM 03 ll Rigs Reserved 6

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9 we is odd Lemm : I or every ε ε < < we ve ε ε ε F e or some E Proo: Le ε F e y Teorem 0 F ε d E Equivlely 0 ε ε or ε ee JGRM 03 ll Rigs Reserved P Tirupi Reddy Jourl o Glol Reser i Memil rives () Novemer 03 -

0 Teorem : I or every ε ε < < we ve ε F e TN were /γ d γ Proo: Le g is i d TN e g g > γ γ γ 0 or JGRM 03 ll Rigs Reserved P Tirupi Reddy Jourl o Glol Reser i Memil rives () Novemer 03 -

P Tirupi Reddy Jourl o Glol Reser i Memil rives () Novemer 03 - Reerees: D r d WE Kirw O some lsses o ouded uivle uios J Lodo m o() (969) 43-443 L Nlisi J Tgmi d R Prvm O sulss o uiormly srlie uios oues si ull M (997) 63-74 3 T eil-mll d EM ilvi Neigouroods o lyi uios Jourl d lysis memique 5(989) 0-40 4 J iewi ome emrs oerig srlie uios ull d Polo i er i m 8(970) 43-46 Deprme o Memis Gpy Egieerig CollegeHuer RodRgsipe Wrgl 506005 (P) INDI JGRM 03 ll Rigs Reserved