Kenneth Cheng · Macau

Mathematical models for real systems.

From pattern formation and nonlinear mechanics to scientific institutions, reliability, and experimental design: reproducible computation, explicit assumptions, and honest limits turn models into testable research questions.

Latest writing

Question, verification, and limitation belong in the same article.

Every research article is manually written from verified private ScienceProject results and supported by approved figures, numerical checks, negative findings, claim boundaries, and references.

Selected research

Evidence before volume

Only projects with a clear question, reviewed figures, and visible assumptions and limitations appear here.

Research figure for Accessible Multimodal Routing at Gongbei
Reproducible study2026

Accessible Multimodal Routing at Gongbei

A cohort-aware model of how slopes, stairs, transfers, crowding, and missing elevators change routes through a border hub.

Urban and Mobility SystemsReliability and Uncertainty
Research figure for Adaptive Harvesting under Allee-Effect Risk
Reproducible study2026

Adaptive Harvesting under Allee-Effect Risk

A verified stochastic population study compares fixed, proportional, and refuge-based harvesting near a nonlinear collapse threshold.

Environmental ModelingReliability and Uncertainty
Research figure for American Put Free-Boundary Audit
Reproducible study2026

American Put Free-Boundary Audit

A reproducible obstacle-PDE study resolves the American put exercise boundary and audits price, Greeks, convergence, and complementarity across three numerical methods.

Quantitative FinanceNumerical Analysis

Teaching

From first model to student research

Courses, interactive models, Python laboratories, and mentoring form a path from first assumptions to independent inquiry.