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The oriented homeomorphism problem for Haken 3-manifolds

Haken famously described an algorithm to solve the homeomorphism problem for the 3-manifolds that bear his name (fleshed out by many others, including Hemion and Matveev who fixed some gaps). But it'...
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Two papers on surface diffeomorphisms

The following two papers appeared in the reference of a paper i was reading.It seems that neither is published formally.Is there a website where i could find them? A. Casson, Cobordism Invariants of ...
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