What are the best ideas in mathematics? Any list is a matter of taste and personal preferences. Due to the vasteness of mathematics, it is quite challenging to build a list, because one tends to focus on things which one uses most. Here is a first shot written in 31. December 2007:





Oliver Knill, Department of Mathematics, Harvard University, One Oxford Street, Cambridge, MA 02138, USA. SciCenter 432 Tel: (617) 495 5549, Email: knill@math.harvard.edu Quantum calculus blog, Twitter, Youtube, Vimeo, Linkedin, Scholar Harvard, Academia, Google plus, Google Scholar, ResearchGate, Slashdot, Ello, Webcam, Spring 2018 office hours: Mon-Fri 4-5 PM and by appointment.