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math.AC2014★ 2 cited
On existence of canonical -bases
Daniel M. Hoffmann
We describe a general method for expanding a truncated G-iterative Hasse-Schmidt derivation, where G is an algebraic group. We give examples of algebraic groups for which our metho…
math.AC2012★ 14 cited
Integrating Hasse-Schmidt derivations
Daniel Hoffmann, Piotr Kowalski
We study integrating (that is expanding to a Hasse-Schmidt derivation) derivations, and more generally truncated Hasse-Schmidt derivations, satisfying iterativity conditions given…