J. B. Nation

• Doorcard

Publications

• Papers
• Books
• Talks and Seminar Notes
• Group Codes
• A PDF file with pictures of the minimal big lattices.
• Math 203
• Math 215

Math 244

• Syllabus
• Worksheet 1
• Worksheet 2
• Review for second test
• Review solutions

Math 311

• Syllabus
• Worksheet 1
• Notes on matrix norms from Johnson & Riess "Numerical Analysis"
• Worksheet 1.5
• Worksheet 2
• Review for second test
• Review solutions
• Worksheet 3
• Review for Final

Revised Notes on Lattice Theory - first eleven chapters

• Title page
• Introduction
• Chapter 1: Ordered Sets
• Chapter 2: Semilattices, Lattices and Complete Lattices
• Chapter 3: Algebraic Lattices
• Chapter 4: Representation by Equivalence Relations
• Chapter 5: Congruence Relations
• Chapter 6: Free Lattices
• Chapter 7: Varieties of Lattices
• Chapter 8: Distributive Lattices
• Chapter 9: Modular and Semimodular Lattices
• Chapter 10: Finite Lattices and their Congruence Lattices
• Chapter 11: Geometric Lattices
• Appendix 1: Cardinals, Ordinals and Universal Algebra
• Appendix 2: The Axiom of Choice
• Appendix 3: Formal Concept Analysis

Backus, MN

• Pictures

Wild Horse Canyon, Utah

• Pictures

Thanksgiving Trip 2006

• Pictures

Kailua Jazz Hounds

• Pictures

Sabbatical Trip Fall 2009

• New York (Michal Stronkowski's pictures)
• Kentucky (John's pictures)