Category Archives: Mathematics Online

The Erdős–Gyárfás Conjecture

Curiosity is a guiding light down the dark corridors of mathematical wonderment. With each turn, enlightenment protrudes from the ruble of faulty understanding into the illumination of new knowledge. With this analogy in mind, mathematics can aptly be described as … Continue reading

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The Selected Papers Network

The arXiv turned twenty-two years old back in August, and we’re beginning to see the type of experimentation and rule-breaking you would associate with a young adult. I discovered the latest example, the Selected Papers Network (SP.net), while browsing MathOverflow. … Continue reading

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Numerosity – Sixth Sense?

A study that appeared in Science magazine on Sept 6, 2013 entitled Topographic Representation of Numerosity in the Human Parietal Cortex discusses the possibility that the ability to understand the quantity of a small group of visual objects without counting … Continue reading

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Proofs from The Book

I recently came across an article on Stack Exchange that asks readers what proofs they think other mathematicians should know and why. There are 23 answers on the post (it is a closed question now unfortunately) with many different proof suggestions. This reminded me of … Continue reading

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Mathematics Videos

I ran across a neat video by Jonathan Rogness that Manil Suri shared on his Twitter feed. It is a video that talks about Möbius Transformations and what they are. It also introduces the idea of going into the next … Continue reading

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