Additional Descriptions of Ĉ and Č and Subobject Orthogonality

  • Gabriele Castellini
Part of the Mathematics: Theory & Applications book series (MTA)


In this chapter we provide further descriptions of the idempotent hull and the weakly hereditary core of a closure operator. We also introduce the notion of subobject orthogonality that will help us in our task.


Commutative Diagram Closure Operator Follow Diagram Commute Galois Connection Additional Description 
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Copyright information

© Springer Science+Business Media New York 2003

Authors and Affiliations

  • Gabriele Castellini
    • 1
  1. 1.Department of Mathematics MayaguezUniversity of Puerto RicoPuerto RicoUSA

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