About me

I am a transportation researcher focusing on Mobility-as-a-Service (MaaS), user equilibrium, bilevel optimization, and algorithmic assignment. I’m currently pursuing an M.Eng. in Transportation Planning and Management at Beijing Jiaotong University...

Manuscript Introduction: Improved heuristic to reduce oscillations in transit assignment on refined networks

Transit assignment is a foundational tool for planning and operating efficient public transportation systems. A common approach, known as frequency-based assignment, models passenger...

EMME 3 (student/academic) — request, install, activate, and a 30–60 minute first project

EMME 3 (student/academic) — request, install, activate, and a 30–60 minute first project Goal: from zero to (1) a valid student/academic license, (2)...

Transport journals at a glance: traits, fit, and a quick reading map (with tiers sketch)

Transport journals at a glance: traits, fit, and a quick reading map (with tiers sketch) This guide is based on what journals say...

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Code-server on a tiny VPS: my iPad-friendly dev setup

TL;DR: keep code-server bound to x.deigel.me, reverse-proxy it over HTTPS, use a strong password (or Basic Auth in front), and you’re done. 1)...

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My Sensible SSH + Firewall Setup on a Fresh VPS

0) SSH Tool Before you secure your server, the first step is choosing an SSH client. While veterans are familiar with the command-line...