??so what about ideals whose underlying modules are flat?? ... and so forth ... ???... ??something about filtration more general than ideal power filtration ... ??and so forth ... ?? ...

??what about "geometric interpretation" of ext (and so forth....) between coherent sheaves?? ... and so forth ... ?? ... ???in terms of ... ???how "supports" (or something) of coherent sheaves intersect... ??and so forth ... ????...

???something about "intersection theory" here ???? .... ???and so forth ??? ....