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Dr Alex Corner PhD MMath PGCert LTHE FHEA

Lecturer in Mathematics


I am a lecturer in the mathematics subject group, teaching across all years of the BSc Mathematics course, as well as providing service teaching for computing, business, and engineering modules.

I am also the first year tutor for the BSc Mathematics course and enjoy welcoming new students each year. My academic interests lie in category theory and mathematics education.


I completed my MMath degree at the University of Sheffield in 2012 before obtaining a PhD there in higher-dimensional category theory. Throughout my time there I was involved in teaching for mathematics and engineering courses, as well as teaching at the university's International College.

Since joining Sheffield Hallam University in 2016 I have developed an interest in mathematics education, specifically towards inclusive practice in teaching mathematics, as well as innovative teaching methods involving manipulatives. Though teaching is my main focus, I still pursue research interests in category theory in the broad areas of higher-dimensional categories, operads, and monoidal categories.

In my spare time I can be found climbing, playing board games, and making futile attempts to learn Italian.

Category Theory, Mathematics Education


Department of Engineering and Mathematics

Business, Technology and Enterprise

BSc (Hons) Mathematics

Number and Structure
Game Theory and Recreational Mathematics
Statistical Theory and Methods
Mathematics for Computer Science


Journal articles

Rowlett, P., Smith, E., Corner, A., O'Sullivan, D., & Waldock, J. (2019). The potential of recreational mathematics to support the development of mathematical learning. International Journal of Mathematical Education in Science and Technology, 50 (7), 972-986.

Corner, A. (2019). A universal characterisation of codescent objects. Theory and Applications of Categories, 34 (24), 684-713.

Corner, A., & Cornock, C. (2018). Applications and props: the impact on engagement and understanding. MSOR Connections, 17 (1), 3-15.

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