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givemehat/README.md

Rajnish Singh

AI/ML Research Intern, Technology Innovation Hub (TIH), IIT Guwahati
IBM Quantum Advocate • B.Tech Computer Science & Engineering, Gautam Buddha University

LinkedIn GitHub PyPI Medium Email


🔬 Research Focus & Overview

My research focuses on computational robustness, reliability, and uncertainty-aware modeling across non-stationary dynamical systems, noisy physical substrates, and quantitative risk environments:

  • Open Quantum Systems & Quantum Machine Learning: Numerical simulation of non-Markovian dissipation, Lindblad master equations for extreme financial tail-risk, and empirical noise degradation in parameterized quantum circuits (QSVC vs VQC) under hardware-calibrated NISQ noise models.
  • Quantitative Risk & Financial Time-Series: Institutional realized volatility forecasting (HAR, Sector-HAR, LightGBM, Diebold-Mariano hypothesis testing) and high-throughput sub-millisecond derivatives liquidity screening.
  • Deep Learning & Edge Prognostics: Dilated causal temporal convolutional networks (TCN) and recurrent architectures for complex degradation modeling (battery SOH/RUL) with low-latency INT8/FP16 edge deployment via ONNX Runtime.
  • Post-Quantum Cryptography & Security Verification: Algorithmic discovery of cryptographic assets, Mosca's theorem quantum risk assessment, and CycloneDX Cryptographic Bill of Materials (CBOM) generation.

🏛️ Selected Research & Engineering Projects

⚛️ QDMS: Quantum Market Risk Simulator

Open Quantum Systems • Extreme Tail-Risk Modeling

  • Formulation: Solves the Lindblad Master Equation via QuTiP to model liquidity collapse and asset dissipation as environmental decoherence.
  • Performance: Value-at-Risk (VaR 99%) convergence accelerated by 3.4× compared to standard pseudo-random Monte Carlo simulations.
  • Stack: Modular Python physics engine, asynchronous FastAPI backend, and React dashboard for live state-fidelity streaming.

QuTiP FastAPI License

⚡ NIFTY Volatility & Options Engine

Quantitative Finance • Realized Volatility Forecasting

  • Econometric Forecasting: HAR, Cluster-HAR, Sector-HAR, and LightGBM over 3+ years of high-frequency 5-minute tick data.
  • Statistical Validation: Strict out-of-sample ranking evaluated using Diebold-Mariano pairwise statistical tests.
  • Derivatives Engine: Options short-strangle screener evaluating 50+ strike combinations in <15 ms using DuckDB OLAP.

Live Demo DuckDB Tests

🎨 Heritage Folk Art Restoration

Computer Vision • Dual-Stage Spectral Deep Learning (npj Heritage Science)

  • Architecture: Combines Fast Fourier Convolution (FFC) inpainting with Enhanced Deep Residual Super-Resolution (EDSR).
  • Empirical Benchmark: Achieved 31.6 dB PSNR and 0.923 SSIM on non-stationary cultural artwork degradation patterns.
  • Corpus: Benchmark corpus of 2,500+ high-resolution samples across 4 distinct physical degradation archetypes.

Under Review PyTorch Reproducibility

🔋 Battery Fleet Prognostics (SOH / RUL)

Edge AI • Technology Innovation Hub (TIH), IIT Guwahati

  • Deep Learning Zoo: Dilated Causal TCN, 2-layer LSTM, and GRU trained on NASA PCoE battery aging datasets.
  • Edge Optimization: Achieved 0.38 ms inference latency and a 214 kB footprint via ONNX FP16 quantization.
  • Zero-Leakage Protocol: Strict 16 Train / 9 Validation / 9 Holdout cell partition yielding State of Health R² = +0.924.

IIT Guwahati ONNX License

🛡️ INDRAMESH: Cryptographic Discovery & Risk

Post-Quantum Cryptography • Smart India Hackathon Rank 1 / 80

  • Discovery Engine: Static and dynamic binary scanner identifying legacy cryptographic algorithms and key strengths.
  • Mosca's Theorem: Computes time-to-quantum risk thresholds ($D + S &gt; T$) against migration urgency.
  • Compliance: Generates automated CycloneDX-compliant Cryptographic Bill of Materials (CBOM).

SIH Rank 1 PQC PyTest

⚛️ Quantum Classifier Noise Resilience

Quantum Machine Learning • NISQ Noise Benchmarking

  • Empirical Study: Compares Quantum Support Vector Classifiers (QSVC) vs Variational Quantum Classifiers (VQC).
  • Noise Channels: Evaluates performance under depolarizing noise, thermal relaxation, and readout errors.
  • Primitives: Executed using Qiskit 1.x Estimator/Sampler architectures with calibrated backend noise models.

Qiskit QAMP


🛠️ Technical Stack & Tooling

  • Scientific Computing & ML: Python, C++, PyTorch, Scikit-learn, LightGBM, NumPy, Pandas, SciPy, QuTiP, OpenCV.
  • Quantum Development: Qiskit (1.x/2.x Primitives), Aer Noise Simulators, Parameterized Feature Maps (ZZFeatureMap, PauliFeatureMap), QTerm.
  • Quantitative Finance & Data: DuckDB, FastAPI, Financial Time-Series Modeling (HAR, GARCH), Monte Carlo, Options Pricing (Black-Scholes).
  • Engineering & Deployment: Docker, Git/GitHub, ONNX Runtime, Linux/Bash, Streamlit, PyTest.

📝 Recent Research Articles & Publications


📺 Technical Walkthroughs & Lectures


Open to research collaborations, visiting researcher roles, and quantitative engineering opportunities.

Pinned Loading

  1. quantum-secure-chat quantum-secure-chat Public

    Quantum Secure Chat - Open Source Project by Rajnish Singh.

    Python

  2. qdms-quantum-market-simulator qdms-quantum-market-simulator Public

    QDMS models financial risk as an Open Quantum System. Using Qiskit/QuTiP, it solves the Lindblad Master Equation to simulate market crashes as quantum dissipation and decoherence. Built with a Fast…

    Python 7 5

  3. nifty-volatility-options-engine nifty-volatility-options-engine Public

    ⚡ Institutional NIFTY Realized Volatility Forecasting (HAR, Cluster/Sector-HAR, PCA, LightGBM, Diebold-Mariano) & Options Short-Strangle Liquidity Screener using DuckDB, FastAPI & Streamlit

    Python

  4. daily-ai-arxiv-papers daily-ai-arxiv-papers Public

    Automated daily fetcher of top AI/ML research papers from arXiv. Stays active 24/7.

    Python