J. B. Nation

• Doorcard

Publications

• Papers
• Books
• Talks and Seminar Notes
• Drafts and Work in Progress
• Group Codes
• Lectures on Group Codes
• Lectures on lattices from AAB Workshop
• A PDF file with pictures of the minimal big lattices.

Math 215 Applied Calculus

• Syllabus
• Course notes
• Worksheet 1
• Webwork assignment #1 due 11 p.m., 1/21/13
• Worksheet 2
• Webwork assignment #2 due 11 p.m., 1/25/13
• In-class assignment 1
• Worksheet 3
• Worksheet 4
• Webwork assignment #3 due 11 p.m., 2/4/13
• First exam (limits and derivatives) Wednesday 2/13/13
• An old exam for review
• Worksheet 5
• Webwork assignment #4 due 11 p.m., 2/15/13
• Worksheet 6
• Worksheet 7
• Worksheet 8
• Webwork assignment #5 due 11 p.m., 3/02/13
• In-class worksheet 3/1/13
• Quiz Friday 3/08/13
• Some review problems
• Solutions to review problems
• Worksheet 9
• In-class Worksheet 3/20/13
• Worksheet 10
• Worksheet 11
• Quiz Monday 4/08/13 (optimization, related rates)
• Webwork assignment #6 due 11 p.m., 4/15/13
• Review for Quiz
• Solutions to Review
• Worksheet 12
• Worksheet 13
• Quiz on integration Friday 4/26/13
• Worksheet 14
• Final Exam from December 2011
• Solutions to old final

Math 612 Abstract Algebra

• Syllabus
• Homework 1
• Homework 2
• Homework 3
• Notes of PIDs
• Homework 4
• Review of Fields
• Homework 5

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

Summer 2011

• Hilo sunrise
• Mamaroneck Burial Ground (1755)
• Backus with Bjarni, Harriet and John

Hiking with brother John and sledding with Emmy, Rye NY, Christmas 2010

• Blizzard

Ashikaga, Japan 2010

• RIMS Workshop

Sabbatical Trip Fall 2009

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

Backus, MN

• Bjarni's cabin

Wild Horse Canyon, Utah

• With Emmy

Thanksgiving Trip 2006

• Redlands, CA

Kailua Jazz Hounds

• Pictures