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Sudhanshu Ranjan posted an Question
August 15, 2020 • 06:42 am 30 points
  • CSIR NET
  • Mathematical Sciences

Are subdomains of an unique factorization domain necessarily ufd?

Are subdomains of an Unique factorization domain necessarily UFD?

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  • Sushmita

    The quotient ring  R[x,y]/(xy)R[x,y]/(xy)  is a local ring.true or false

  • Shashi ranjan sinha Best Answer

    For example, consider the field of complex numbers C. Since every field is an UFD, C is also UFD. However, Z[√-5] is an integral domain which is contained in C but is not an UFD.

  • Shashi ranjan sinha best-answer

    No, the subdomains of an UFD need not to be an UFD.

    eduncle-logo-app

    so it's not an ufd

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