The Curious Engineer

All blogs / Math

Michael Orlitzky

michael.orlitzky.com

MathLinux / UnixDev tools / editors / IDEsAlgorithms / data structures

’10’15’20’25
Posts
71 from 3 Jan 2010 to 11 Jun 2026
Posting
now and then (4 in the last year)
Kind
personal blog

2026 3

  1. Preprint version
  2. Reducibility of convex cones
  3. Reducibility of convex cones

2025 4

  1. Isometric automorphism identities for symmetric, homogeneous, and hyperbolicity cones
  2. Jordan and isometric cone automorphisms in Euclidean Jordan algebras
  3. Automorphisms of hyperbolic polynomials
  4. Preprint version

2024 5

  1. The uniqueness of Lyapunov rank among symmetric cones
  2. Laundering money
  3. The uniqueness of Lyapunov rank among symmetric cones
  4. A tale of two complete positivities
  5. CharmBypass pt. 3: cease and desist

2023 3

  1. CharmBypass pt. 2: analysis
  2. CharmBypass pt. 1: introduction
  3. Jordan automorphisms and derivatives of symmetric cones

2022 1

  1. Euclidean Jordan algebras for optimization

2020 2

  1. POSIX hardlink heartache
  2. Proper cones are manifolds with boundary

2019 6

  1. Gentoo GLEP81 user package guidelines
  2. Greybeard's tomb: the lost treasure of language design
  3. Let's not Encrypt
  4. A non-proof of the Lagrange multiplier theorem
  5. There was an attempt to save Linux filesystem ACLs
  6. On Z-operators and viability theorems

2018 3

  1. Fix busted ACLs faster with libadacl
  2. Healthy OpenRC recipes to kick off the new year
  3. Advice from the trenches

2017 4

  1. Configuration should be owned and writable only by root
  2. End root chowning now (make pkg_postinst great again)
  3. Lyapunov rank in conic optimization
  4. Positive operators, Z-operators, Lyapunov rank, and linear games on closed convex cones

2016 5

  1. End root chowning now (make /etc/init.d great again)
  2. Solving linear games with cone programs
  3. Cisco (SenderBase) security products lose email
  4. Makeing LaTeX
  5. Lyapunov rank of polyhedral positive operators

2015 7

  1. The S-lemma
  2. The Lyapunov rank of an improper cone: Lie algebra (Part II)
  3. The Lyapunov rank of an improper cone: Algorithms (Part I)
  4. Motherfuckers need package management
  5. New Gandi certificates in Apache 2.4
  6. Topological Groups in Optimization
  7. Certificate chains in Apache 2.4

2014 4

  1. Lyapunov Rank and Perfect Cones
  2. Overview of email spam and forgery countermeasures
  3. Introduction to Koecher Cones
  4. So you're blacklisted…

2013 8

  1. Avoid the link “target” attribute
  2. Decoupling Rails and Passenger from Bundler
  3. Using Haddock markup in a Cabal file
  4. Against CA-signed certificates
  5. The derivative of a quadratic form
  6. In defense of self-signed certificates
  7. Fixing POSIX ACLs in common utilities
  8. Redundant Postfix main.cf parameters

2012 8

  1. Problems with POSIX ACLs and common utilities
  2. Persistent ulimit for daemons in Gentoo
  3. Thinkpad X61s ath5k rfkill issues
  4. Ornstein-Uhlenbeck Processes
  5. Fixing PDF graphics in LyX
  6. Optimal Recovery of Differentiable Functions by Univariate Splines
  7. Upgrading PostgreSQL 9.x on Gentoo
  8. Avoiding RewriteBase with Apache mod_rewrite

2011 1

  1. Backing up Microsoft SQL Server Express

2010 7

  1. OpenSSL commands I would like to remember
  2. Optimization Under Uncertainty and Risk
  3. Server 2008 print spooler dies with error 0x80010057
  4. Fixing KVM (QEMU) keymaps
  5. Resizing a KVM or QEMU disk image
  6. New certificates in IIS without downtime
  7. Migrating from Windows DNS to tinydns