University of Sciences and Technology Houari Boumediene

Asymmetry of a class of Mellin transforms

We consider a class of Mellin transforms $\mu_\eta$ associated with a class of functions $\eta$, defined for every complex $s$ in the critical strip. We establish a sufficient condition on $\eta$ under which $\mu_\eta(s)$ and $\mu_\eta(1-s)$ cannot both vanish outside the critica...

Propagating Edge and Interfacial States in Corrugated Graphene: Robustness and Configurability

Abstract Periodically strained graphene provides a versatile platform to realize moiré-like electronic structures. We show that the interplay between a strain-induced pseudomagnetic field and a displacement-field-controlled scalar potential enables the formation of isolated narr...

Kinetic modeling and characterization of silicon-free pack boriding on Inconel 738 superalloy using the Taylor expansion model

Abstract Inconel 738 superalloy was treated using a silicon-free pack boriding process with a powder mixture of boron carbide (B 4 C) and sodium tetrafluoroborate (NaBF4) at 850 °C, 900 °C, and 950 °C for 2 h–8 h. Scanning electron microscopy (SEM) and energy-dispersive X-ray spe...

Are Wall Shear Stress Fluctuations the Missing Hydrodynamic Parameter in Gas-Assisted Membrane Distillation?

Gas–liquid two-phase flow is widely recognized as an effective strategy for enhancing membrane distillation (MD) performance by mitigating thermal and concentration polarization. However, most studies interpret this enhancement using time-averaged hydrodynamic quantities, such as...

Euler products from abstract prime systems and rigidity

We introduce an abstract notion of prime system (a purely structural concept that captures factorization without reference to ordinary integers) and construct an associated system Euler product. The scalar differential equation of the rigidity program is lifted to a Hilbert‑space...

Adaptive Noise-Aware Bearing Fault Diagnosis via FFT Windowing and Wavelet-Based SNR-Guided LSTM Model Selection with Real-Time FPGA Implementation

This paper presents an adaptive noise-aware bearing fault diagnosis framework that integrates Fast Fourier Transform (FFT)-windowed feature extraction, wavelet-based Signal-to-Noise Ratio (SNR) estimation, and Long Short-Term Memory (LSTM) classification to maintain high diagnost...

MODFLOW-informed machine learning for interpretable groundwater level prediction under sparse monitoring conditions in the Eastern Mitidja Aquifer, Northern Algeria

Predicting groundwater levels in semi-arid regions is challenging because groundwater systems are controlled by complex processes and monitoring data are often scarce. This study compares six machine learning models—Random Forest (RF), XGBoost, LightGBM, RBF-SVR, LSTM, and CNN—fo...

SAME: Similarity-Aware Monotonic Entropy for FWER-controlled association-rule mining without a minimum-support threshold

Every classical frequent-itemset miner asks the user for one number it cannot supply with confidence: the minimum support σ. Pick it too low and the output drowns in trivial associations;pick it too high and rare but meaningful patterns disappear; and whatever value is chosen, th...

SAME: Similarity-Aware Monotonic Entropy for FWER-controlled association-rule mining without a minimum-support threshold

Every classical frequent-itemset miner asks the user for one number it cannot supply with confidence: the minimum support σ. Pick it too low and the output drowns in trivial associations;pick it too high and rare but meaningful patterns disappear; and whatever value is chosen, th...

DMPE: A Deterministic Multi-Criteria Proposer-Election State Machine for Permissioned Dis tributed Systems

Leader selection strongly affects performance and reliability in permissioned networks. Existing mechanisms rely on static schedules or protocol-specific reputation, limiting portable observation- driven selection across heterogeneous consensus engines. This paper presents DMPE,...