The two lectures by Andrew Arena
" Geometrical knowledge and geometrical legitimacy"
Prof. Arena discuss the geometrical and algebraic methods since 17th century from the point of view of philosophy of mathematics and from the point of view of history of mathematics.
at room 313 of Graduate School Building, Mita Campus, Keio University
Building #8 of .https://www.keio.ac.jp/ja/maps/mita.html
For updated information, see https://abelard.flet.keio.ac.jp/jindex.php