Geodesic
Filtered and graded Procesi extensions of rings
Algebra and discrete mathematics, no. 4 (2007), pp. 131-137.

Voir la notice de l'article provenant de la source Math-Net.Ru

In this paper, we introduce filtered and graded Procesi extensions of filtered and graded rings as a natural modification of Procesi extensions of rings. We show that these extensions behave well from the geometric point of view.
Keywords: filtered and graded extensions, affine schemes. 
@article{ADM_2007_4_a11,
     author = {A. E. Radwan},
     title = {Filtered and graded {Procesi} extensions of rings},
     journal = {Algebra and discrete mathematics},
     pages = {131--137},
     publisher = {mathdoc},
     number = {4},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2007_4_a11/}
}
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A. E. Radwan. Filtered and graded Procesi extensions of rings. Algebra and discrete mathematics, no. 4 (2007), pp. 131-137. http://geodesic.mathdoc.fr/item/ADM_2007_4_a11/