Is it easier to find half a needle than a full needle in a random network?
Common sense tells us that objects of comparable size should be equally hard to find. Yet, when searching inside a random network, surprises are awaiting . . .
Distributed consensus: What do money transactions and attacking armies have in common?
In February 2014, a big bank in the Netherlands suffered from an internet banking malfunction which led many costumers to accidentally perform duplicate bank transfers.
Networks behind riots: help reduce riots just by following a "riot".
Since 2016 the world has been witnessing the Rohingya genocide in Myanmar, in 2021 we all saw the Capitol riots on tv. What do networks have to do with these events?
AI thinks my dog is a Pig! Want to know why?
Applications of machine learning models are everywhere, with many online platforms and major science fields using tools relying on machine learning. Take, for example, image recognition and computer vision. But did you know that the results of supposedly perfect and accurate machine learning models can be deceived by slight perturbations in the data?
The importance of LGBTQ+ visibility in mathematics
Beyond the rainbow crossing: on issues, questions, and opportunities for LGBTQ+ researchers.
Imaginary numbers are a reality
It is undeniable that natural, integer, rational and real numbers are necessary to explain what happens in our daily life, but in high school some of us also hear about some weird objects called imaginary numbers, also known as complex numbers. What do we need these numbers for?
Some thoughts on ChatGPT
I was very excited and interested when I heard some months ago about ChatGPT and what it can do. Both as a mathematician and as a teacher I was very curious about the responses it would give to my questions.
Let’s make it on time without wasting time on it
What if I tell you that long queues in airports are also caused by the impatient passengers that arrive too far in advance at the airport? Today, we will analyze how the organization of the security check queue affects the waiting time of passengers.
Playing with Colors Part 2: An open problem related to graph colouring
Mathematicians often enjoy playing around with the concept of infinity and in the following, I will describe a problem defined on an infinite graph!
Playing with Colors
Part 1: Learn about applied and theoretical aspects of graph coloring: a tool that helps us design exam schedules or even solve Sudoku!