The Improbability Principle and the Seanad Election

A by-election for the Seanad Éireann Dublin University constituency, arising from the election of Ivana Bacik to Dáil Éireann, is in progress. There are seventeen candidates, eight men and nine women. Examining the ballot paper, I immediately noticed an imbalance: the top three candidates, and seven of the top ten, are men. The last six … Continue reading The Improbability Principle and the Seanad Election

Some Characteristics of the Mathematical Psyche

What are mathematicians really like? What are the characteristics or traits of personality typical amongst them?  Mathematicians are rarely the heroes of novels, so we have little to learn from literature. A few films have featured mathematicians, but most give little insight into the personalities of their subjects [TM226 or search for “thatsmaths” at irishtimes.com]. Absentmindedness Sweeping … Continue reading Some Characteristics of the Mathematical Psyche

The Rise and Rise of Women in Mathematics

The influential collection of biographical essays by Eric Temple Bell, Men of Mathematics, was published in 1937. It covered the lives of about forty mathematicians, from ancient times to the beginning of the twentieth century. The book inspired many boys to become mathematicians. However, it seems unlikely that it inspired many girls: the only woman … Continue reading The Rise and Rise of Women in Mathematics

Face Recognition

As you pass through an airport, you are photographed several times by security systems. Face recognition systems can identify you by comparing your digital image to faces stored in a database. This form of identification is gaining popularity, allowing you to access online banking without a PIN or password.  [see TM146, or search for “thatsmaths” at irishtimes.com]. … Continue reading Face Recognition

The Citizens’ Assembly: Why do 10 Counties have no Members?

Recently, the Irish Government established the Citizens' Assembly, a body of 99 citizens that will consider a number of constitutional issues. The Assembly meets on Saturday to continue its deliberations on the Eighth Amendment to the Constitution, which concerns the ban on abortion. It will report to the Oireachtas (Parliament) on this issue in June … Continue reading The Citizens’ Assembly: Why do 10 Counties have no Members?

The Mathematics of Voting

Selection of leaders by voting has a history reaching back to the Athenian democracy. Elections are essentially arithmetical exercises, but they involve more than simple counting, and have some subtle mathematical aspects [TM085, or search for “thatsmaths” at irishtimes.com]. The scientific study of voting and elections, which began around the time of the French Revolution, is called … Continue reading The Mathematics of Voting

You Can Do Maths

Bragging about mathematical ineptitude is not cool. There is nothing admirable about ignorance and incompetence. Moreover, everyone thinks mathematically all the time, even if they are not aware of it. Can we all do maths? Yes, we can!  [See this week’s That’s Maths column (TM064) or search for “thatsmaths” at irishtimes.com]. We use simple arithmetic … Continue reading You Can Do Maths

The Future of Society: Prosperity or Collapse?

The article in this week’s That’s Maths column in the Irish Times ( TM045 ) is about a mathematical model to simulate the future of society.  Our extravagant lifestyle is draining the Earth's natural resources. Population is climbing and climate change looms ever larger. Is the collapse of society imminent? The historical precedents are ominous. Many civilizations … Continue reading The Future of Society: Prosperity or Collapse?