Please use this identifier to cite or link to this item: http://hdl.handle.net/10525/1767

 Title: A Geometrical Construction for the Polynomial Invariants of some Reflection Groups Authors: Sarti, Alessandra Keywords: Polynomial InvariantsReflection and Coxeter GroupsGroup Actions on Varieties Issue Date: 2005 Publisher: Institute of Mathematics and Informatics Bulgarian Academy of Sciences Citation: Serdica Mathematical Journal, Vol. 31, No 3, (2005), 229p-242p Abstract: We construct invariant polynomials for the reflection groups [3, 4, 3] and [3, 3, 5] by using some special sets of lines on the quadric P1 × P1 in P3. Then we give a simple proof of the well known fact that the ring of invariants are rationally generated in degree 2,6,8,12 and 2,12,20,30. Description: 2000 Mathematics Subject Classification: Primary 20F55, 13F20; Secondary 14L30. URI: http://hdl.handle.net/10525/1767 ISSN: 1310-6600 Appears in Collections: Volume 31 Number 3

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