Ralph Freese

Classes

Home Page for my Math 242 Class

Home Page for my Math 412 Class

Math 649M: Seminar in Lattice Theory and Universal Algebra

My Page for the AMS meeting here Mar 3-4, 2012

Previous Classes

• Home Page for my Math 611-2 Class
• Home Page for my Math 619 Class
• Home Page for my Math 475 Class
• Home Page for my Math 311 Class
• Home Page for my Math 371 Class
• Home Page for my Math 241 Class
• Home Page for my Math 242 Class
• Home Page for my Math 307 Class
• Home Page for my Math 100 Class
• Home Page for my Math 216 Class
• Home Page for my Math 215 Class

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Software

• Universal Algebra Calculator: This is a mirror site for Emil Kiss's algebra calculator. The calculator now uses my lattice drawing program to display congruence lattices.
  • Universal Algebra Calculator


• Lattice Drawing Program: I have a java component for drawing lattices and ordered sets. There are some demos and sample applictions.
  • Lattice drawing

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Bibiographic Database and General Algebra and Lattice Theory Homepages

You can search for papers in Universal Algebra and Lattice Theory. You can choose to have the output in either BibTeX or AmSTeX format. You can even add or correct entries in the database.
• Universal Algebra and Lattice Theory Bibliographic Database.
• Lattice Theory Homepage.
  
• General Algebra Homepage.
  
  

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Publications

• Papers
• Books
• Unpublished Notes

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Conferences:

• My talk on Congruence Varieties at the Gratzer Schmidt 70th Birthday Party, Budapest, June 6-9, 2006
• My talk on Maltsev Conditions (joint with Matt Valeriote) at the Nashville Conference June 11-16, 2007
• My talk on semidistributivity and n-permutability, at the Honolulu AMS Meeting, Mar 3-4, 2012

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Teaching and Pedagogy

• Newton's Method and Chaos, a java applet.
• A pdf of Calculus Concepts Using Derive, by Ralph Freese and David Stegenga. This contains several pedagogically interesting calculus labs.
• Apply linear transformations to gifs and jpegss, a java servlet illustrating some concepts from linear algebra.
• The Pythogorean theorem., a graphic java demostation of Euclid's proof by Jim Morey.
• A talk on Java Servlets

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Photos

• Jim surfing Pohnpei (Feb 2009)
• Granddaughters
• Alexis as MM
• Both
• Sunrise over Mokulua Islands
• Mokulua Islands