This is my personal homepage, providing a brief introduction to my background and work.

Basic Information

Name: Jianan Lin (林家南)

Email: jnlin16@fudan.edu.cn; linj21@rpi.edu (deactivated); hcm6755@gmail.com (preferred)

WeChat: linjianan081 (Please introduce yourself when contacting me)

Education

2016.08–2021.06: Fudan University, Shanghai, China (Undergraduate)
Major: Natural Science (2016.08–2017.06), Materials Physics (2017.07–2018.04), Software Engineering (2018.05–2021.06)

2021.08–2022.12: Rensselaer Polytechnic Institute (RPI), Troy, NY, USA (Master’s program; PhD studies discontinued)
Major: Computer Science
Research Focus: Theoretical Computer Science
Advisors: Elliot Anshelevich and Lirong Xia (夏立荣)

Research

Research Topics: Algorithmic Game Theory, Algorithmic Mechanism Design, Online Approximation Algorithms

Current Collaborators: Hau Chan and Chenhao Wang (王晨豪)

Past Advisors (besides PhD advisors): Pinyan Lu (陆品燕) and Hu Fu (伏虎)

Research Experience:

Work Experience

Current

  • 2025.05–present: Mid-level Software Engineer, Ant Group (Alibaba)
    Alipay Middle Platform Technology (Engineering Efficiency): Developing AI agent platform and infrastructure, AI coding plugins and platforms, knowledge base construction and applications, and Alipay business knowledge understanding assistants.
    Tech stack: Python, Flask, Peewee, MySQL, ZSearch

Previous

  • 2023.11–2025.05: Mid-level Software Engineer, Polyhedra Network
    External-facing business: Building zero-knowledge cross-chain bridges, cloud service cryptographic proofs, and AI agent toC platforms.
    Tech stack: Go, Gin, MongoDB, PostgreSQL
  • 2023.01–2023.10: Junior Software Engineer, FocusAI
    External-facing business: Intelligent camera system including web frontend, backend systems and central dispatch, camera-side capabilities and control.
    Tech stack: TypeScript, React, Next.js, Go, Gin, MongoDB

Internships

  • 2022.05–2022.08: Open-Source Contributor, Hedgehog Lab
    Mathematical computing and graphing libraries, calculator core logic, frontend and backend development.
    Tech stack: TypeScript, React
  • 2020.07–2021.06: Research Assistant, TCS Lab
    Research in theoretical computer science.
  • 2019.09–2019.12: Algorithm Engineer Intern, Cardinal Operations (Beijing)
    Designing optimization algorithms and data analysis.
    Tech stack: Python, pandas

Publications and Manuscripts

Google Scholar: https://scholar.google.com/citations?user=98G-ZLAAAAAJ

Papers are provided as PDFs, with most also available on arXiv. In accordance with theoretical computer science conventions, author lists follow alphabetical order (indicating equal contribution). Publications are categorized into journals, conferences, and manuscripts, numbered chronologically with the oldest work as #1. Items are listed in descending order (most recent first).

Journals

J3. Strategyproof Mechanisms for Extending the Accessibility Range of Facilities
with Hau Chan, Chenhao Wang (王晨豪), and Yanxi Xie (谢妍曦)
In JAIR 2026 (Not published, journal version with extension of C3)

J2. Strategyproof Facility Location with Prediction: Minimizing the Maximum Cost
with Hau Chan and Chenhao Wang (王晨豪)
In JAAMAS 2026 (Not published, journal version with extension of C5)

J1. Hotelling-Downs with Facility Synergy: The Mall Effect
with Elliot Anshelevich and Noah Prisament
In TEAC 2026 (Not published, journal version of C6)

Conferences

C7. Obnoxious Facility Location Problems: Strategyproof Mechanisms Optimizing $L_p$-Aggregated Utilities and Costs
with Hau Chan and Chenhao Wang (王晨豪)
In AAMAS 2026

C6. Hotelling-Downs with Facility Synergy: The Mall Effect
with Elliot Anshelevich and Noah Prisament
In SAGT 2025

C5. Strategyproof Mechanisms for Facility Location with Prediction Under the Maximum Cost Objective
with Hau Chan and Chenhao Wang (王晨豪)
In ECAI 2025

C4. Mechanism Design for Connecting Regions Under Disruptions
with Hau Chan, Zining Qin, and Chenhao Wang (王晨豪)
In AAAI 2025
Full paper (with appendix) available here

C3. Mechanism Design for Extending the Accessibility of Facilities
with Hau Chan, Chenhao Wang (王晨豪), and Yanxi Xie (谢妍曦)
In ECAI 2024

C2. Stability of Queueing Networks Beyond Complete Bipartite Cases
with Hu Fu (伏虎) and Qun Hu (胡群)
In WINE 2022

C1. Nearly Complete Characterization of 2-Agent Deterministic Strategyproof Mechanisms for Single Facility Location in $L_p$ Space
Single author
In COCOA 2020

Manuscripts

M1. Social Choice for Eliminating the Worst Candidate under Metric Preferences
with Chenhao Wang (王晨豪)
Manuscript