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papers
Publications (3)
math.RT
2010
A characterization of torsion theories in the cluster category of Dynkin type A_{\infty}
Puiman Ng
math.CT
2012
Almost split sequences and approximations
Shiping Liu, Puiman Ng, Charles Paquette
math.RT
2009
Existence of Auslander-Reiten sequences in subcategories
Puiman Ng