Monthly Archives: June 2013

Powers of 9/10’s

Posted on June 26, 2013 by jrh794

An example of one of my favorite surprise calculations comes up in the context of quantum computing.  The idea is that if you have a process that gets things right 90% of the time and you repeat the process and … Continue reading →

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Edging Coloring Complete Graphs – Two Examples

Posted on June 10, 2013 by jrh794

Dr. John Caughman from Portland State University presented our Kieval Lectures this year.  He described rainbow graphs and matching, rectangle graphs and lattice paths. I intended to take notes because of past experience but I got so interested that I just … Continue reading →

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Uselessly Wise

Posted on June 3, 2013 by jrh794

Older and wiser.  The more attentive experience, the more wisdom.  Years ago I handcrafted a stone house.  I was a professional carpenter for five years.  So I have opinions about house building and design. Yet I am not going to … Continue reading →

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