3 papers
math.RA2007
Symmetrical invariants of some modular Lie algebras of Cartan type
Leonid Bedratyuk
Let be one of the finite dimensional Lie algebras of Cartan type over an algebraically closed field of prime characteristic $p>0…
math.AG2007
Analogue of Roberts theorem for ternary forms
Leonid Bedratyuk
Analogues of invariant theory's well-known Roberts theorem are proved for ternary forms. We established that covariants, contravariants and mixed concomitants of a ternary form are…
math.AG2006
On complete system of invariants for the binary form of degree 7
Leonid Bedratyuk
A minimal system of homogeneous generating elements of the invariants algebra for the binary form of degree 7 is calculated.