Dr. R.H. Tange

School of Mathematics

University of Leeds

LS2 9JT, Leeds, UK

Office: 9.20

tel. office: +44 (0)113 343 9246

tel. secretariat: +44 (0)113 343 5101

email: R.H.Tange "AT" leeds.ac.uk

my departmental page

Leeds algebra page

*On the first restricted cohomology of a reductive Lie algebra and its Borel subalgebras*, Preprint. pdf-file- with A.Dent,
*Bases for spaces of highest weight vectors in arbitrary characteristic*, Preprint. pdf-file *Embeddings of spherical homogeneous spaces in characteristic p*, Math. Zeit.**288**(2018), no. 1-2, 491–508. pdf-file*Highest weight vectors and transmutation*, to appear in Transform. Groups. pdf-file*Highest weight vectors for the adjoint action of GL_n on polynomials, II*, Transform. Groups**20**(2015), no. 3, 817-830. pdf-file*Highest weight vectors for the adjoint action of GL_n on polynomials*, Pac. J. Math.**258**(2012), no. 2, 497-510. pdf-file*On embeddings of certain spherical homogeneous spaces in prime characteristic*, Transform. Groups.**17**(2012), no. 3, 861-888. pdf-file*Factorisation properties of group scheme actions*, Math. Zeit.**271**(2012), no. 1-2, 157-165. pdf-file*A bideterminant basis for a reductive monoid*, J. Pure and Applied Algebra.**216**(2012), no. 5, 1207-1221. pdf-file*The Zassenhaus variety of a reductive Lie algebra in positive characteristic*, Adv. in Math.**224**(2010), no. 1, 340-354. pdf-file- with S.Donkin,
*The Brauer algebra and the symplectic Schur algebra*, Math. Zeit.**265**(2010), no. 1, 187-219. pdf-file *The symplectic ideal and a double centraliser theorem*, J. London Math. Soc.**77**(2008), no. 3, 687-699. pdf-file*Infinitesimal invariants in a function algebra*, Canad. J. Math.**61**(2009), no.4, 950-960. pdf-file*The centre of quantum sl_n at a root of unity*, J.Algebra**301**(2006), no.1, 425-445. pdf-file

*Remark*: The erratum in J.Algebra**302**(2006), no.2, 897-898, is a typographical erratum to the printed version of this paper. J.Algebra is the author of it, not me.- with A.Premet,
*Zassenhaus varieties of general linear Lie algebras*, J.Algebra**294**(2005), no.1, 177-195. pdf-file - with M.Bate, B.Martin and G.Roehrle,
*Closed orbits and uniform S-instability in geometric invariant theory*, Trans. Amer. Math. Soc.**365**(2013), no. 7, 3643-3673. pdf-file - with M.Bate, B.Martin and G.Roehrle,
*Complete reducibility and conjugacy classes of tuples in algebraic groups and Lie algebras*, Math. Zeit.**269**(2011), no.3, 809-832. pdf-file - with M.Bate, B.Martin and G.Roehrle,
*Complete reducibility and separability*, Trans. Amer. Math. Soc.**362**(2010), no. 8, 4283-4311. pdf-file