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    Article

    The cancellable range of rings

    We unify the cancellation property of rings with stable range one and the principal ideal domain by introducing a new notion which is called “cancellable range”. It is proved that if a ring R has cancellable rang...

    Hongbo Zhang, Wenting Tong in Archiv der Mathematik (2005)

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    Article

    Categories of power stably free modules and theirK 0 groups

    The conceptions of stably free order, stably free rank and power stably free isomorphism are given. The structure of power stably free module categories over a JBN ring (not necessarily commutative) and the K0 gr...

    **aosheng Zhu, Wenting Tong in Science in China Series A: Mathematics (1997)

  3. No Access

    Article

    Finitely generated projective modules over exchange rings

    This paper studies finitely generated projective modules over exchange rings. We prove that cancellation holds inp(R), andK o (R) is completely determined by the continuous maps fr...

    Tongsuo Wu, Wenting Tong in manuscripta mathematica (1995)