| 研究実績の概要 |
During this year of research the P.I. worked to the project with A. Libgober, So Yamagata and had two papers on the argument accepted. In those papers the result obtained in the paper with A. Libgober is connected to the study of hypersurfaces in Grassmannian. Moreover two more people joined the group: B. Gaurville and P. Bailet. Together with A. Libgober we meet for a research in pair period in Oberwolfach. During this period the generating function for the betti's number of Discriminantal Arrangement in very generic case has been described jointly with results which connect Intersection lattice of Discriminantal arrangements with Higher Bruhat orders.
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