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math.CT2003
Direct limits and fixed point sets
George M. Bergman
For which groups G is it true that whenever we form a direct limit of G-sets, dirlim_{i\in I} X_i, the set of its fixed points, (dirlim_I X_i)^G, can be obtained as the direct limi…
math.AC2003
Can one factor the classical adjoint of a generic matrix?
George M. Bergman
Let k be a field, n a positive integer, X a generic nxn matrix over k (i.e., a matrix (x_{ij}) of n^2 independent indeterminates over the polynomial ring k[x_{ij}]), and adj(X) its…