Sökning: "rings"

Visar resultat 1 - 5 av 342 avhandlingar innehållade ordet rings.

1. 1. Contraceptive rings

   Författare :Arne Victor; Uppsala universitet; []
   Nyckelord :MEDICINE; MEDICIN;

   Sammanfattning : .... LÄS MER

3. 2. Radical operations in rings and topological spaces

   Författare :Magnus Rosenlund; KTH; []
   Nyckelord :radicals; Nullstellensatz; topological space; rings;

   Sammanfattning : .... LÄS MER

4. 3. Contraceptive vaginal rings : clinical studies with special reference to gestagenic effects on serum lipoproteins

   Författare :Tom Åhrén; Uppsala universitet; []
   Nyckelord :MEDICINE; MEDICIN;

   Sammanfattning : .... LÄS MER

5. 4. Ideals and Maximal Commutative Subrings of Graded Rings

   Författare :Johan Öinert; Matematik LTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; ideals; simple rings; maximal commutativity; Crossed products; graded rings;

   Sammanfattning : This thesis is mainly concerned with the intersection between ideals and (maximal commutative) subrings of graded rings. The motivation for this investigation originates in the theory of C*-crossed product algebras associated to topological dynamical systems, where connections between intersection properties of ideals and maximal commutativity of certain subalgebras are well-known. LÄS MER

7. 5. Tautological rings of Shimura varieties

   Författare :Simon Cooper; Wushi Goldring; Torsten Wedhorn; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Shimura varieties; Chow rings; automorphic vector bundles; matematik; Mathematics;

   Sammanfattning : This licentiate thesis consists of two papers. In paper I the tautological ring of a Hilbert modular variety at an unramified prime is computed. The method of van der Geer in the case of A_{g} is extended to deal with the case of the Hilbert modular variety, which is more complicated. LÄS MER