Lectures on Representations of Quivers by William Crawley-Boevey ...

(8) Infinite dimensional representations, and contrast with the theory of
abelian groups.
C.M.Ringel, Infinite dimensional representations of finite dimensional
hereditary algebras, Symposia Math., 23 (1979), 321-412.
F.Okoh, Indecomposable pure-injective modules over hereditary artin
algebras of tame type, Commun. in Algebra 8 (1980), 1939-1941.
F.Okoh, Separable modules over finite-dimensional algebras, J. Algebra, 116
(1988), 400-414.
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A.Dean & F.Zorzitto, Infinite dimensional representations of D4, Glasgow
Math. J. 32 (1990), 25-33.
F.Lukas, A class of infinite-rank modules over tame hereditary algebras,
preprint.
D.Happel & L.Unger, A family of infinite-dimensional non-selfextending
bricks for wild hereditary algebras, preprint
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