Articles by Aryan Ghobadi Aryan GhobadiAryan is a PhD student in mathematics at Queen Mary University of London, working with categories in quantum algebra. He is often the cranky audience member in the front row. sites.google.com/view/aghobadimath All articles by Aryan Diagrammatic algebra: On the road to category theory1 May 2021Aryan Ghobadi gives a maths lecture at a zooWhich mathematician are you?13 December 2016Behind today's door... a quiz!Five gold rings5 December 2016And on the fifth day, some rather Algebraic Golden Rings: