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Issue Info: 
  • Year: 

    2016
  • Volume: 

    47
Measures: 
  • Views: 

    162
  • Downloads: 

    70
Abstract: 

IN THIS PAPER, WE WILL FIRST INTRODUCE THE APPROXIMATE FIXED POINT PROPERTY FOR A CYCLIC MAP T ON G-METRIC SPACE. ALSO, WE PROVE GENERAL LEMMA WHICH REGARDING APPROXIMATE FIXED POINT OF CYCLIC MAPS ON G-METRIC SPACE. USING THESE RESULTS WE PROVE DIAMETER APPROXIMATE FIXED POINT THEOREMS FOR VARIOUS TYPES OF THE WELL-KNOWN GENERALIZED CONTRACTIONS ON G-METRIC SPACE.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: 

MATHEMATICAL SCIENCES

Issue Info: 
  • Year: 

    2012
  • Volume: 

    6
  • Issue: 

    -
  • Pages: 

    1-8
Measures: 
  • Citations: 

    0
  • Views: 

    256
  • Downloads: 

    143
Abstract: 

Please click on PDF to view the abstract.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 143 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 10
Issue Info: 
  • Year: 

    2013
  • Volume: 

    44
Measures: 
  • Views: 

    138
  • Downloads: 

    59
Abstract: 

IN THIS PAPER, WE PROVE SOME APPROXIMATE FIXED POINT RESULTS FOR PROXIMINAL VALUED B-CONTRACTIVE MULTI-FUNCTIONS ON METRIC SPACES. WE SHOW THAT OUR RESULTS GENERALIZE SOME OLD FIXED POINT RESULTS IN THE LITERATURE.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Writer: 

Issue Info: 
  • Year: 

    2012
  • Volume: 

    43
Measures: 
  • Views: 

    131
  • Downloads: 

    192
Abstract: 

IN THIS TALK, BY USING THE MAIN IDEA OF THE WORK OF ALEOMRANINEJAD, REZAPOUR AND SHAHZAD ([3]), WE INTRODUCE THE CONCEPT OF GENERALIZED A-CONTRACTIVE MAPPINGS AND GIVE SOME RESULTS ABOUT APPROXIMATE FIXED POINTS OF THE MAPPINGS ON METRIC SPACES.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 131

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Issue Info: 
  • Year: 

    2013
  • Volume: 

    10
  • Issue: 

    1
  • Pages: 

    135-142
Measures: 
  • Citations: 

    0
  • Views: 

    300
  • Downloads: 

    207
Abstract: 

We define APPROXIMATE FIXED POINT in fuzzy norm spaces and prove the existence theorems, we also consider APPROXIMATE pair constructive mapping and show its relation with APPROXIMATE fuzzy FIXED POINT.

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 207 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Writer: 

MOHSENIALHOSSEINI S.ALIMOHAMMAD

Issue Info: 
  • Year: 

    2013
  • Volume: 

    44
Measures: 
  • Views: 

    154
  • Downloads: 

    47
Abstract: 

WE DEFINE APPROXIMATE MIXED EQUILIBRIUM POINT IN HILBERT SPACES. WE FIND A COMMON ELEMENT OF THE SET OF FIXED POINTS OF FINITELY MANY NON-EXPANSIVE MAPPINGS AND THE SET OF SOLUTIONS OF AN APPROXIMATE MIXED EQUILIBRIUM PROBLEM (AMEP) IN HILBERT SPACES. ALSO WE OBTAIN SOME THEOREMS ABOUT MIXED EQUILIBRIUM PROBLEMS AND FIXED POINTS.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 154

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Issue Info: 
  • Year: 

    1382
  • Volume: 

    11
Measures: 
  • Views: 

    1148
  • Downloads: 

    0
Abstract: 

در این مقاله یک روش جدید برای تحلیل مولفه های مستقل (ICA) با نام نقطه ثابت (FIXED-POINT) معرفی شده و کارایی آن برای جداسازی سیگنال فعالیت fMRI از سیگنال های نویز و سایر سیگنالها مورد بررسی قرار گرفته است. ابتدا این الگوریتم را روی داده های ساختگی امتحان کرده و از میزان قابلیت این الگوریتم در جداسازی سیگنالهای مختلف اطمینان حاصل کرده تا مقایسه ای بین این روش جدید با روش های معمول ICA مثل infomax انجام شود. سپس در مورد یک مجموعه تصاویر fMRI مربوط به یک آزمایش حرکتی به کار گرفته شده است. نتایج به دست آمده نشان می دهد که الگوریتم نقطه ثابت بسیار سریع تر از روش های معمول همگرا می شود و توانایی بازسازی انواع سیگنال ها را دارد و بدون اینکه احتیاجی به داشتن اطلاعات در مرود نحوه انجام آزمایش و زمان شروع و خاتمه آن باشد به خوبی سیگنال فعالیت و ناحیه فعال مغز را جدا می کند.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Author(s): 

ALIMOHAMMADY M. | ROOHI M.

Issue Info: 
  • Year: 

    2005
  • Volume: 

    10
  • Issue: 

    4
  • Pages: 

    305-314
Measures: 
  • Citations: 

    1
  • Views: 

    150
  • Downloads: 

    0
Keywords: 
Abstract: 

Yearly Impact: مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 150

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 0 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesCitation 1 مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesRefrence 0
Issue Info: 
  • Year: 

    2013
  • Volume: 

    44
Measures: 
  • Views: 

    115
  • Downloads: 

    82
Abstract: 

IN THIS PAPER WE GIVE SOME FIXED POINT THEOREMS IN COMPLETE METRIC SPACE FOR A MAP. ALSO WE CONSIDER APPROXIMATE BEST PROXIMITY AND APPROXIMATE-PAIR FIXED POINT FOR TWO MAPS.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 115

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Issue Info: 
  • Year: 

    2013
  • Volume: 

    44
Measures: 
  • Views: 

    200
  • Downloads: 

    122
Abstract: 

LET X BE A COMPLEX BANACH SPACE WITH DIM X³3 AND B (X) THE ALGEBRA OF ALL BOUNDED LINEAR OPERATORS ON X. SUPPOSE F: B (X) ®B (X) IS A SURJECTIVE MAP SATISFYING THE FOLLOWING PROPERTY: (FORMULA) THEN THE FORM OF F IS CHARACTERIZED, WHERE FIX (T) IS THE SET OF ALL FIXED POINTS OF AN OPERATOR T.

Yearly Impact:   مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

View 200

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic ResourcesDownload 122
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