I am an undergraduate student in Applied Mathematics, focusing on Robotics, Artificial Intelligence, Risk-aware Security, and Data-driven Decision Systems.

My work connects mathematical modeling, machine learning, and real-world intelligent systems.

• 🤖 ROS2-based autonomous mobile robot simulation and navigation
• 🛡 Risk-aware face authentication and adaptive security modeling
• 💬 LLM-based companion and memory-driven interaction systems
• 📊 Machine learning for portfolio optimization and mathematical modeling

An end-to-end autonomous mobile robot project based on ROS2 Humble, Gazebo, RViz2, SLAM, and Navigation2.

• TurtleBot3 simulation environment
• LiDAR-based obstacle avoidance
• SLAM mapping workflow
• Saved-map navigation
• Python/C++ ROS2 nodes

Repository: ros2-turtlebot3-autonomous-robot

A research-oriented face authentication framework combining face matching with contextual risk signals.

• Face-only baseline
• Rule-based baseline
• Full risk-aware model
• Ablation studies
• ROC/AUC evaluation
• Continuous session-level risk modeling

Repository: FaceGuard-Risk

A prototype companion application using dialogue, persistent memory, and user profile modeling.

• FastAPI backend
• HTML/CSS/JavaScript frontend
• Long-term memory structure
• Conversation style engine
• Profile editor and memory notes

Repository: alz-memory-assistant

• FaceGuard-Risk: Risk-aware Adaptive Authentication Framework
  A research-oriented framework combining face recognition scores with contextual risk signals for adaptive authentication and continuous security monitoring.
  Machine Learning Security Risk Modeling Adaptive Authentication

• Machine Learning-driven Multi-asset Portfolio Optimization
  A regime-aware portfolio optimization study integrating machine learning signals, covariance shrinkage, and constrained optimization.
  Portfolio Optimization Mathematical Modeling Machine Learning Finance

• Emergency Evacuation and Transportation Coordination Modeling
  A mathematical modeling study on large-scale event evacuation, exit allocation, congestion control, and post-event transportation coordination.
  Graph Theory Optimization Crowd Simulation Transportation

• Autonomous mobile robots
• SLAM and robot navigation
• Machine learning security
• Human-centered AI interaction
• Mathematical modeling
• Data-driven optimization
• Financial machine learning

• GitHub: @MTMT0111
• Email: irischarles015@gmail.com