math prof

@mathematicsprof

I am a professor of mathematics with interests in partial differential equations.

Joined April 2009

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  1. 17 hours ago

    I see Google is honoring the great 19th century Scottish science writer Mary Somerville. Her 1873 book Recollection can be found here.

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  2. 19 hours ago
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  3. Feb 2
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  4. Feb 1

    Since the '42' sum of 3 cubes problem has been resolved, here is some basic background on the Sum of Three Cubes' problem.

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  5. Jan 29

    With infectious diseases in the news nowadays, one might be interested in some basic mathematics related to the transmission of infectious diseases.

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  6. Jan 29

    An insightful blog by the (late) Charles Wells was posted by at Professor Wells had interesting ideas about math ed, pure math and logic, ... .

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  7. Jan 28

    Books like this are nice. There are so many different (math) topics there is something for everyone.

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  8. Jan 28

    Dror Bar-Natan from the Univ of Toronto has some great videos complete with graphic illustrations on many areas of mathematics at

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  9. Jan 24

    Shhhhhhhhh, my family tries to keep this a secret. What a nice problem though.

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  10. Jan 24

    This would be a great note to put on the blackboard of the math coffee room.

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  11. Jan 24

    These podcasts should be played in every high school science class in the country.

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  12. Jan 19

    Students going back to school taking courses in calc 1,2,3 or even topology, check out the great animations by Univ of Pa prof Robert Ghrist at at

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  13. Jan 19

    Now there's an idea. A nursing home in the Netherlands offers university students to live rent-free to live alongside elderly patients in a project to ward off the negative effects of aging.

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  14. Jan 18

    Now that's what I call a differential equation.

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  15. Jan 16
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  16. Jan 15

    Calculus students know that lim [f(xo+h) - f(xo)]/h as h -> 0 is the derivative of f) at xo. However, if we let x = qxo, where q is a fixed number not 1, and h a fixed number and do NOT TAKE THE LIMIT, we enter the fascinating world of quantum calculus ->

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  17. Jan 14

    Seventy-five years ago this book by Univ of Michigan mathematician Ruel Churchill was one of the most popular (undergrad) textbooks in Fourier series. He also wrote popular textbooks in Operational Math and Complex Variables.

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  18. Jan 9
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  19. Jan 8

    I once had a student who said once my differential equations were taken from me I was pretty much a normal person. Ever have a student say anything unusual about you; good, bad, funny, or just plain weird?

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  20. Jan 7

    Francis Su ( ) has a (new) nice book, Mathematics for Human Flourishing on Amazon. You can read a few chapters there and it's very interesting. Plus the cost is $18 and $14 on Kindle.

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