Top Posts
Recent comments
Blogroll
 Astronomy Picture of the Day
 Azimuth
 British Combinatorial Committee
 Comfortably numbered
 Diamond Geezer
 Exploring East London
 From hill to sea
 Gödel's lost letter and P=NP
 Gil Kalai
 Jane's London
 Jon Awbrey
 Kourovka Notebook
 LMS blogs page
 Log24
 London Algebra Colloquium
 London Reconnections
 MathBlogging
 Micromath
 Neill Cameron
 neverendingbooks
 Noncommutative geometry
 numericana hall of fame
 Ratio bound
 Robert A. Wilson's blog
 Since it is not …
 Spitalfields life
 Sylvy's mathsy blog
 SymOmega
 Terry Tao
 The Aperiodical
 The De Morgan Journal
 The ICA
 The London column
 The Lumber Room
 The matroid union
 Theorem of the day
 Tim Gowers
 XKCD
Find me on the web

Join 662 other subscribers
Cameron Counts: RSS feeds
Meta
Tag Archives: Isaac Newton Institute
Cambridge
This is in a sense a followup to my earlier post here, describing how the 6month programme at the Isaac Newton Institute had come to a premature end because of the covid pandemic. The time I spent in Cambridge then … Continue reading
More on derangements
Francis Bacon, in The New Organon, developed a famous metaphor: Those who have handled sciences have been either men of experiment or men of dogmas. The men of experiment are like the ant, they only collect and use; the reasoners … Continue reading
Happy new year
I hope the New Year is better than we deserve. I will be spending most of the first six months in Cambridge, at a group theory programme at the Isaac Newton Institute. So hopefully I will have some time for … Continue reading
Announcement
This year I celebrated my 65th birthday (if that is the right word; almost nobody noticed). But for a recent change in the law, that would be that so far as employment goes. I would not be able to continue … Continue reading
Female mathematicians
The Isaac Newton Institute has a collection of short interviews with female mathematicians who have visited the Institute. It is described as an occasional series of interviews with female mathematical scientists. In this series we hope to showcase the achievements … Continue reading
Cambridge
I have just spent a month as a visiting fellow at the Isaac Newton Institute in Cambridge, on a programme entitled “Design and Analysis of Experiments”. When you arrive at the Cambridge railway station, the town proclaims itself “Home of … Continue reading
Posted in doing mathematics, geography
Tagged Isaac Newton Institute, Quy Fen, WOrsted Street
Leave a comment
A matrix problem
Suppose you are given n linearly independent vectors in ndimensional Euclidean space. You move the vectors so that each vector becomes longer, but their inner products remain the same. What happens to the volume of the parallelepiped they span? This … Continue reading
Posted in open problems
Tagged conference matrix, Dennis Lin, determinant, Hadamard matrix, Isaac Newton Institute, matrices, skewsymmetric, statistics
7 Comments
Ecology and banking
A couple of weeks ago, I attended the annual correspondents’ meeting at the Isaac Newton Institute in Cambridge. Apart from discussions about Institute policy and functioning, these occasions provide entertainment in the form of two lectures. One of the lectures … Continue reading