J. Richard Hollos

Like my brother Stefan, I have degrees in Electrical Engineering (B.S. Univ of Louisville) and Physics (M.S. Univ of Louisville). Stefan is like the professor on Gilligan's Island, who can make a radio with a coconut and a few scraps of hardware. I am more like Gilligan, the essential human element in the realization of the professor's ideas.

In addition to math, physics, electronics and math related art, I enjoy writing and publishing books of a technical nature with Stefan (abrazol.com).

Recent Publications:

• Combinatorics Problems and Solutions, Second Edition
• Random Walks in Electrical Networks
• Engineer's Notebook on Inductor and Transformer Circuits: Problems, Solutions and Simulations
• The Enigma of the Crookes Radiometer
• Passive Butterworth Filter Cookbook
• Nell: An SVG Drawing Language
• Coin Tossing: The Hydrogen Atom of Probability
• Creating Melodies
• Hexagonal Tilings and Patterns
• Combinatorics II Problems and Solutions: Counting Patterns
• Information Theory: A Concise Introduction
• Art of Pi
• Creating Noise
• Art of the Golden Ratio
• Recursive Digital Filters: A Concise Guide
• Pattern Generation for Computational Art
• Finite Automata and Regular Expressions Problems and Solutions
• Probability Problems and Solutions
• Combinatorics Problems and Solutions
• The Coin Toss: Probabilities and Patterns
• Pairs Trading: A Bayesian Example
• Simple Trading Strategies That Work
• Bet Smart: The Kelly System for Gambling and Investing

You can follow our work at our blog Abrazolica, and at Exstrom.com.

I have taken part in research with my brother Stefan on lattice Green functions, electromagnetic modeling, development of software for electronic band structure calculations, NMR signal processing, data analysis, magnetic field measurement circuits, data acquisition circuits, and RF circuits for an NMR spectrometer. We are authors of the book Signals from the Subatomic World: How to Build a Proton Precession Magnetometer.

Here are my thoughts on some of the books I've read.

Publications

Other interests/hobbies:

• Hiking and skiing in Rocky Mountain National Park, the Indian Peaks, and foothills near Longmont, Colorado. My brother Stefan and I have a hiking blog.
• All forms of art: music, visual, words.
• Learning human languages. I am currently working on improving my German (my Mom's native language), which I can speak OK but understand much more, and Hungarian (my Dad's native language), which currently is on the backburner.

Thanks to my brother Stefan's influence, I went from a fried chicken and whopper luvin bubba to eating only plants. I stopped just in time to prevent serious heart disease and having to take cholesterol lowering medication.

We cultivate and eat dandelions, and line dry our clothes. My favorite philosophers are Alan Watts, Albert Einstein, Jesus Christ and Siddhartha Gautama.

Other:

• A page about my Mom.
A page about my Dad.
• Here are my notes on installing LaTeXML on Fedora 18.

Contact information:
J. Richard Hollos
richard[AT]exstrom DOT com
(303) 678-1487