| In 1834 Jacobi proved that if a single-valued function of one variable is doubly periodic then the ratio of the periods is imaginary. |
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| Continuing his interest in the theory of real functions he was awarded his doctorate in 1916 for a dissertation on single-valued mappings and mensurability. |
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| In this section we obtain results on stationary points for generalize hybrid pair of single-valued and multi-valued mappings. |
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| It is a single-valued function of location, continuous at a boundary, what is favourable to numerical modelling. |
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| Hybrid fixed point theory is a recent development is the ambit of fixed point theorems for contracting single-valued and multivalued maps in metric spaces. |
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