<figure class="wp-block-image size-full"><a href="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg"><img loading="lazy" decoding="async" width="800" height="209" src="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg" alt="Mathematical Objects" class="wp-image-20198" srcset="https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800.jpg 800w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-300x78.jpg 300w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-768x201.jpg 768w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-150x39.jpg 150w, https://aperiodical.com/wp-content/uploads/2019/03/MathematicalObjectsBanner-800-600x157.jpg 600w" sizes="auto, (max-width: 800px) 100vw, 800px" /></a></figure>



<p>A conversation about mathematics inspired by a slice of pizza. Presented by Katie Steckles and Peter Rowlett.</p>



<figure class="wp-block-image size-large"><a href="https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-scaled.jpg"><img loading="lazy" decoding="async" width="1024" height="683" src="https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-1024x683.jpg" alt="Slice of pizza on a plate next to an orange and some Pringles." class="wp-image-31183" srcset="https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-1024x683.jpg 1024w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-300x200.jpg 300w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-768x512.jpg 768w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-1536x1024.jpg 1536w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-2048x1365.jpg 2048w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-150x100.jpg 150w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-800x533.jpg 800w, https://aperiodical.com/wp-content/uploads/2025/12/pizza-slice-600x400.jpg 600w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></a></figure>

Mathematical Objects: Venn diagram with Keisha Thompson

Katie Steckles and Peter Rowlett chat about some aspect of mathematics using a mathematical object as inspiration.