Welcome

Mathematics & computer science applied to data

UniversitΓ© Laval β€” QuΓ©bec

Maths + code to understand, forecast, and secure real-world systems.

Salem Nkunda Nyisingize

This week

New: Wavelets & Time-Varying Frequency Analysis β€” from the failure of stationarity to the mother wavelet: STFT, Wigner-Ville spectrum, dilation, translation, and the fundamental LΒ² approximation result.

Read the article β†’

Last week

ARCH and GARCH Models in Time Series β€” modeling conditional variance and the volatility clustering phenomenon in financial returns.

Read the article β†’

Highlights

∞

Fractal Explorer

GPU visualization of Mandelbrot and Julia sets. Infinite zoom into the complex dynamics of zΒ² + c.

Explore β†’
πŸ€–

FindSpot

Interactive ML demo to understand a model and its results in real time.

See the demo β†’
πŸ“ˆ

Time Series

Supervised formulation, walk-forward validation, baselines, and multi-step strategies.

Read β†’
🌍

Alimentrace

Agri-food traceability infrastructure for low-connectivity environments β€” from African fields to Quebec grocery stores (CTO). (in development)

See the project β†’

Posters

OpenSpot Poster

OpenSpot

Academic poster: visualization, analysis, and key results.

Contact

πŸ“§ salemnknd@gmail.com

πŸ“ QuΓ©bec, Canada