Sökning: "Poincaré"

Visar resultat 6 - 10 av 32 avhandlingar innehållade ordet Poincaré.

1. 6. Enumerative combinatorics related to partition shapes

   Författare :Jonas Sjöstrand; Anders Björner; Christian Krattenthaler; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; partition shape; sign-imbalance; Robinson-Schensted correspondence; chess tableau; restricted word; cylindrical lattice walk; Poincaré polynomial; Bruhat interval; rook polynomial; pattern avoidance; partitionsform; teckenobalans; Robinson-Schensted-korrespondens; schacktablå; begränsade ord; cylindriska latticestigar; poincarépolynom; bruhatintervall; tornpolynom; mönsterundvikande permutation; MATHEMATICS; MATEMATIK;

   Sammanfattning : This thesis deals with enumerative combinatorics applied to three different objects related to partition shapes, namely tableaux, restricted words, and Bruhat intervals. The main scientific contributions are the following. LÄS MER

3. 7. Optical properties and helicity in liquid crystals

   Författare :Anders Dahlgren; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; de Vries formula; smectic A*; smectic helix; Poincaré sphere; homeotropic alignment; chiral; light switch; birefringence; electroclinic; diffraction method; indicatrix; phase grating; helial pitch; snisotropy; liquid crystals; smectic C*; handedness; book-shelf geometry; Cano method; ferroelectric; biaxiality; dielectric tensor;

   Sammanfattning : .... LÄS MER

4. 8. A complex construction with applications to determination of Poincaré series

   Författare :Ralph Fröberg; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : .... LÄS MER

5. 9. Recurrent dynamics of nonsmooth systems with application to human gait

   Författare :Petri Piiroinen; KTH; []
   Nyckelord :dynamical systems; nonsmooth dynamics; recurrent motions; stability analysis; solution continuation; Poincaré maps; passive walking; gait characteristics; musculoskeletal modeling;

   Sammanfattning : .... LÄS MER

7. 10. On Poincaré, Sobolev, and Harnack inequalities for certain degenerate elliptic equations

   Författare :Henrik Delin; Göteborgs universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : .... LÄS MER