Aritra Profile Topics Started Replies Created Engagements Favorites Search topics: Forum Topics Started Viewing 3 topics - 1 through 3 (of 3 total) Topic Voices Posts Last Post counting in two ways... find bijection Started by: Aritra in: Combinatorics 2 2 6 years, 9 months ago swastik pramanik polynomial Started by: Aritra in: Math Olympiad - IOQM 2 2 6 years, 10 months ago Tarit Goswami combintorics Started by: Aritra in: Math Olympiad - IOQM 1 1 6 years, 10 months ago Aritra Viewing 3 topics - 1 through 3 (of 3 total)