Monoidide algebraline K-teooria
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Tartu Ülikool
Abstract
Käesolevas bakalaureusetöös uuritakse algebralist K-teooriat üldise monoidi
S jaoks. Defineeritakse monoidi S puhul Abeli rühm K₀(S) lõplikult
moodustatud projektiivsete S-polügoonide abil ning tehakse kindlaks
selle struktuur. Näidatakse, et eeltoodud definitsioon määrab funktori
K₀ : Mon → Ab monoidide kategooriast Abeli rühmade kategooriasse.
Tuuakse välja seos monoidide Morita teooriaga, nimelt Morita ekvivalentsetel
monoididel on isomorfsed K₀-rühmad.
In this Bachelor’s thesis, we consider the algebraic K-theory of monoids. We define for an arbitrary monoid S the abelian group K₀(S) using finitely generated projective S-acts and determine its structure. We show that this definition gives us a functor K₀ : Mon → Ab from the category of monoids to the category of abelian groups. We provide a connection to the Morita theory of monoids, namely we prove that two Morita equivalent monoids have isomorphic K₀-groups.
In this Bachelor’s thesis, we consider the algebraic K-theory of monoids. We define for an arbitrary monoid S the abelian group K₀(S) using finitely generated projective S-acts and determine its structure. We show that this definition gives us a functor K₀ : Mon → Ab from the category of monoids to the category of abelian groups. We provide a connection to the Morita theory of monoids, namely we prove that two Morita equivalent monoids have isomorphic K₀-groups.
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algebra, monoid, polügoon, K-teooria, algebra, monoid, act, K-theory