Between Open Sets and Semi-Open Sets by Samer Al Ghour, Kafa Mansur

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Some Results on Fixed Points for Monotone Inward Mappings in Geodesic Spaces by khalid Abed Jassim

Subjects: “…Contraction mapping, Fixed points, Geodesic metric spaces, Lower semi-continuous function, Monotone Caristi inward mapping, Multivalued mapping.…”
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Decomposition of semi-continuous functions into the sum of quasi-continuous functions and the oscillation of almost continuous functions (in Ukrainian) by O. V. Maslyuchenko

Subjects: “…We prove that every semi-continuous function on a metrizable space is decompose into sum of two quasi-continuous functions. …”
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