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normal fermi-walker derivative in e^3 1
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نویسنده
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keskin ozgur ,yayli yusuf
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منبع
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caspian journal of mathematical sciences - 2020 - دوره : 9 - شماره : 1 - صفحه:86 -99
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چکیده
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In this paper, firstly, in e^3 1, we defined normal fermi-walker derivative and applied for the adapted frame. normal fermi-walker parallelism, normal non-rotating frame, and darboux vector expressions of normal fermi-walker derivative by normal fermi-walker derivative are given for adapted frame. being conditions of normal fermi-walker derivative and normal non-rotating frame are examined for frames throughout spacelike, timelike, lightlike curves. it is shown that the vector field which takes part in [17] is normal fermi-walker parallel by the normal fermi-walker derivative throughout the spacelike, timelike, and lightlike general helix. also, we show that the frenet frame is a normal non-rotating frame using the normal fermi-walker derivative. afterward, we testified that the adapted frame is a normal non-rotating frame throughout the spacelike, timelike, and lightlike general helix.
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کلیدواژه
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frenet frame ,darboux frame ,normal fermi-walker derivative ,normal non-rotating frame ,spacelike curve ,timelike curve ,lightlike curve
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آدرس
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university of ankara, faculty of science, department of mathematics, turkey, university of ankara, faculty of science, department of mathematics, turkey
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Authors
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