Toward a Mathematical Understanding of the Malware Problem
    53^rd Hawaii International Conference on System Sciences     9 January 2020
Abstract Paper Slides Photos:   1 2 3 4 5
    Wailea, Maui

Random Self-Modifiable Computation
    Transactions on Computational Intelligence     Chapter 27     Springer-Nature 2021
Paper     August 2021     Audio Presentation     27 July 2020

LC 2019		Abstracts 510-511		Slides			Praha, Czechia
CiE 2019		Abstracts		Programme			Durham, U.K.
ALC 2019		Abstract		Programme			Astana, Kazakhstan

Abstract   arXiv:1807.01369     Uploaded:   26 June 2018

    Why does computation have a deep relationship with math and physics?

Hilbert's Tenth Problem	Undecidability in Number Theory
An Undecidable Word Problem	Undecidability in Group Theory
Undecidability in Geometry I	Undecidability in Geometry II
Undecidability in Geometry III	Undecidability in Geometry IV
Undecidability in Topology I	Undecidability in Topology II
Undecidability in Languages	Undecidability of Spectral Gap

Prime Clocks
    Autonomous Systems 2017: Proceedings of the 10^th GI Conference
VDI Abstract arXiv:1910.00777 Slides     22–27 October 2017
    Mallorca, España

Hiding Information in Noise
    Computability in Europe 2015: Evolving Computability     2 July 2015
Photos:   1 2 3 4 5 6
    Bucharest, Romania

Key Generators Can Strengthen Block Ciphers
    14^th International Conference on Applied Computational Science
Paper     23–25 April 2015
    Kuala Lumpur, Malaysia

Understanding the Malware Problem
    Computability in Europe 2014: Life, Language, Limits     23–27 June 2014
CiE 2014 Abstract Slides Photos:   1 2 3 4
    Budapest, Hungary

Quantum Random Active Element Machine
    Unconventional Computation & Natural Computation     LNCS 7956     2013
UCNC 2013 Paper Slides Photos:   1 2 3 4 5 6 7
    Università degli Studi di Milano, Italia

von Neumann, Turing and Beyond
    John McReynolds Wozencraft Science & Engineering Colloquia
Talk   Photos:   1 2 3 4     26 February 2013
    Naval Postgraduate School.   Monterey, California

Consecutive Repeating State Cycles Determine Periodic Points in a TM
    Selected Topics in Nonlinear Dynamics     Springer-Verlag     2013
Aperiodic Machine Paper

Machine Learning with Templates
    ICAI 2012 Proceedings     16–19 July 2012
Paper Slides
    Las Vegas, Nevada

Turing Incomputable Computation
    Turing-100 Proceedings: The Alan Turing Centenary     22–25 June 2012
Turing-100 Paper Talks Photos:   1 2 3 4 5 6 7 8 9
    Manchester, U.K.

    Computability in Europe 2012: Turing Centenary Conference     18–23 June 2012
CiE 2012 Abstracts Slides Photos:   1 2 3 4 5 6 7
    Cambridge University, U.K.

The Active Element Machine
    Studies in Computational Intelligence     SCI 391     Springer-Verlag     2011
Paper Slides
    Mallorca, España

PhD Thesis

Introduction	1–11	Non-Autonomous	12–23
Stability	24–31	Stability	32–37	Contraction	38–44
Entropy	45–58	Entropy	59–70	Entropy	71–81
Path Class	82–102	Path Class	103–114