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متن کامل


نویسندگان: 

Alijani Aliakbar

اطلاعات دوره: 
  • سال: 

    2023
  • دوره: 

    4
  • شماره: 

    2
  • صفحات: 

    21-24
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    40
  • دانلود: 

    0
چکیده: 

The aim of this paper is to introduce and give preliminary investigation of ∂-partial-locally COMPACT SPACEs. Locally COMPACTness and ∂-partial-locally COMPACTness are independent of each other. Every locally COMPACT Hausdorff SPACE is ∂-partial-locally COMPACT. But the converse is not true even though it be Hausdorff. ∂-partial-locally COMPACTness is a topological property. ∂-partial-locally COMPACTness is not preserved by the product topology.

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نویسندگان: 

BEKTAS D. | ERGUT M.

اطلاعات دوره: 
  • سال: 

    2006
  • دوره: 

    30
  • شماره: 

    A3
  • صفحات: 

    285-289
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    414
  • دانلود: 

    0
چکیده: 

Let (M,g) be a COMPACT immersed hypersurface of (Rn+1,<,>), l1 the first nonzero eigenvalue, a the mean curvature, P the support function, A the shape operator, vol(M) the volume of M, and S the scalar curvature of M. In this paper, we established some eigenvalue inequalities and proved the above.1/n òM \\A\\2 P2DV ³ </span></p>M  a2 P2 dV. 2 òM a2 P2 dV ³ 1/n (n-1) òM sp2 dV.If the scalar curvature S and the first nonzero eigenvalue l1 staisfy S= l1 (N-1), than òM [a2 - l1/n] p2 dv³ 0, 4) Suppose that the Ricci curvature of M is bounded below by a positive constant k. ThusòM a2 P2 dV ³ k/n(n-1) òM \\ gradf\\ dv+vol(M). 5) Suppose that the Ricci curvature is bounded and the scalar curvature satisfy S= l1(n− 1) and L=k- 2S>0 is a constant. Thusvol (M) ³ kl1 /L òM\\ Y \\ a pdv – 2S/L òM a2 P2 Dv.

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نویسندگان: 

BASARIR M. | KARA E.E.

اطلاعات دوره: 
  • سال: 

    2011
  • دوره: 

    35
  • شماره: 

    A4
  • صفحات: 

    279-285
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    351
  • دانلود: 

    0
چکیده: 

In this paper, we give the characterization of some classes of COMPACT operators given by matrices on the normed sequence SPACE rqp (Bm), which is a special case of the paranormed Riesz Bm-difference sequence SPACE rq (p, Bm). For this purpose, we apply the Hausdorff measure of nonCOMPACTness and use some results.

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اطلاعات دوره: 
  • سال: 

    2014
  • دوره: 

    40
  • شماره: 

    2
  • صفحات: 

    521-530
تعامل: 
  • استنادات: 

    0
  • بازدید: 

    392
  • دانلود: 

    0
چکیده: 

For suitable Banach SPACEs X and Y with Schauder decompositions and a suitable closed subSPACE M of some COMPACT operator SPACE from X to Y, it is shown that the strong Banach-Saks-ness of all evaluation operators on M is a sufficient condition for the weak Banach-Saks property of M, where for each xÎX and y*ÎY*, the evaluation operators on M are defined by fx (T)= Tx and yy* (T)= T*y*.

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نویسندگان: 

MIRZAIE R.

اطلاعات دوره: 
  • سال: 

    2011
  • دوره: 

    37
  • شماره: 

    1
  • صفحات: 

    93-100
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    412
  • دانلود: 

    0
چکیده: 

We show that typical elements of the set of continuous functions from a COMPACT differentiable manifold M to Rn are nowhere differentiable. Then, we study the box dimensions of typical elements in the set of images of M in Rn.

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نویسندگان: 

JIM C.Y. | CHEN S.S.

اطلاعات دوره: 
  • سال: 

    2003
  • دوره: 

    65
  • شماره: 

    -
  • صفحات: 

    95-116
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    168
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

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نویسندگان: 

صوابی امید

اطلاعات دوره: 
  • سال: 

    0
  • دوره: 

    1
  • شماره: 

    1
  • صفحات: 

    74-77
تعامل: 
  • استنادات: 

    1
  • بازدید: 

    186
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

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نویسنده: 

NAMDARI M. | Soltanpour S.

اطلاعات دوره: 
  • سال: 

    2016
  • دوره: 

    47
تعامل: 
  • بازدید: 

    174
  • دانلود: 

    0
چکیده: 

WE EXTEND THE CONCEPT OF STRONGLY COMPACT AND SEMI COMPACT SPACES. A SPACE (X, T) IS SAID TO BE SEMI L-COMPACT (RESP. STRONGLY L-COMPACT) IF EVERY COVER OF X BY SEMI-OPEN (RESP.PREOPEN) SETS HAS A SUBCOVER OF X WHOSE CARDINALITY IS LESS THAN L, WHERE L IS THE LEAST INFINITE CARDINAL NUMBER WITH THIS PROPERTY. WE CHARACTERIZE SEMI L-COMPACT AND STRONGLY L-COMPACT SPACES.

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اطلاعات دوره: 
  • سال: 

    1394
  • دوره: 

    1
تعامل: 
  • بازدید: 

    334
  • دانلود: 

    153
چکیده: 

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اطلاعات دوره: 
  • سال: 

    2016
  • دوره: 

    4
تعامل: 
  • بازدید: 

    191
  • دانلود: 

    0
کلیدواژه: 
چکیده: 

IN THIS TALK, SOME PROPERTIES OF LIPSCHIZ OPERATORS ARE STUDIED. CONDITIONS UNDER WHICH THE VECTOR-VALUED LIPSCHITZ ALGEBRA LIP (X, A) IS ISOMETRICALLY ISOMORPHISM TO LIP (X) ⊗ A ARE INVESTIGATED.

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