Vol.20, No.4

  On saturated multiplicatively closed sets

Authors : YU-CHING HUNG (洪有情) and Y-CHUAN LANG (郎一全)

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  A comparison theorem for asymptotically monotone solutions of nonlinear difference equations

Authors : SUI-SUN CHENG (鄭穗生) and HORNG JAAN LI (李宏展)

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  Newman's theorem for spherical submanifolds

Authors : XIN-MIN ZHANG (張新民)

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  On upper and lower almost quasi continuous multifunctions

Authors : VALERIU POPA and TAKASHI NOIRI

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  On $\delta$-almost continuity and $\delta$-preopen sets

Authors : S. RAYCHAUDHURI and M. N. MUKHERJEE

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