Quivers, long exact sequences and Horn type inequalities

@article{Chindris2008QuiversLE,
  title={Quivers, long exact sequences and Horn type inequalities},
  author={Calin Chindris},
  journal={arXiv: Representation Theory},
  year={2008}
}
  • Calin Chindris
  • Published 2008
  • Mathematics
  • arXiv: Representation Theory
  • We study the set of all m-tuples $(\lambda(1),...,\lambda(m))$ of possible types of finite abelian p-groups $M_{\lambda(1)}, ..., M_{\lambda(m)}$ for which there exists a long exact sequence $M_{\lambda(1)} \to ... \to M_{\lambda(m)}$. When m=3, we recover Fulton's results on the possible eigenvalues of majorized Hermitian matrices. 
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