Browsing by Author "Fatima Abbas"

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    Daur-e-hazir mein khawateen ke mardon ke saath muasharti o ma'ashi ta'amul oswa-e-sahabiyat ki roshni mein
    (UMT Lahore, 2024-03-29) Fatima Abbas
    Social or economic affairs of women with men is a must nowadays, be it education field or medicine field or ceremonies etc. Mixing of men and women is one of the main things of this era. It is necessary that all these matters should be resolved in the light of Seerat-ul-Nabawiyyah. Even during the era of Prophethood, social and economic affairs have been going on with the Prophet (peace and blessings of Allah be upon him) and with the Companions. In this thesis, the basic things have also been shown that the distortion caused by the mutual mixing of men and women in modern times can be found in the light of Sahabiyyah.
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    The Core-Envelope model of anisotropic spherical stars with polytropic core and linear envelope
    (UMT Lahore, 2021) Fatima Abbas
    The purpose of this research work is to construct a relativistic core-envelope model for spherically symmetric compact objects with anisotropic inner fluid distribution. The equation of state for core is polytropic and linear for envelope. All physical parameters are well behaved in the core and envelope region for the compact stars SAX J1808.4−3658 and 4U 1608−52. The physical properties of stars are described well with the help of developed model. The energy conditions are also satisfied in the model. The stability of the model is studied with the help of Tolman-Oppenheimer-Volkoff equations.