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        1 - Nearest and farthest points in nonlinear semi inner product spaces
        Hamid Mazaheri mohamad jafar salehi Saeid Alikhani
        In this paper, we first introduce the nearest and the farthest points in normed spaces, then introduce nonlinear semi inner product spaces, negative dual sets and sun sets. We make statements about these concepts. Define the concept of orthogonality of the nonlinear sem More
        In this paper, we first introduce the nearest and the farthest points in normed spaces, then introduce nonlinear semi inner product spaces, negative dual sets and sun sets. We make statements about these concepts. Define the concept of orthogonality of the nonlinear semi inner product and describe its properties. Finally, we bring the nearest and the farthest points in linear spaces. we introduce the nearest and the farthest points in normed spaces, then introduce nonlinear semi inner product spaces, negative dual sets and sun sets. We make statements about these concepts. Define the concept of orthogonality of the nonlinear semi inner product and describe its properties. Finally, we bring the nearest and the farthest points in linear spaces. we bring the nearest and the farthest points in linear spaces. we introduce the nearest and the farthest points in normed spaces, then introduce nonlinear semi inner product spaces, negative dual sets and sun sets. We make statements about these concepts. Define the concept of orthogonality of the nonlinear semi inner product and describe its properties. Finally, we bring the nearest and the farthest points in linear spaces. Manuscript profile