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Spikes are the currency in central nervous systems for information transmission and processing. They are also believed to play an essential role in low-power consumption of the biological systems, whose efficiency attracts increasing…

Neural and Evolutionary Computing · Computer Science 2020-05-05 Qiang Yu , Shenglan Li , Huajin Tang , Longbiao Wang , Jianwu Dang , Kay Chen Tan

In this paper we present detailed numerical simulation studies on the synchronization of two spin-torque nanooscillators (STNO) in the quasi-1D geometry: magnetization oscillations are induced in a thin NiFe nanostripe by a spin polarized…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Dmitry V. Berkov

In recent years, new methods for solving partial differential equations (PDEs) such as Monte Carlo random walk methods have gained considerable attention. However, due to the lack of hardware-intrinsic randomness in the conventional von…

Hardware Architecture · Computer Science 2025-07-08 Siqing Fu , Lizhou Wu , Tiejun Li , Chunyuan Zhang , Sheng Ma , Jianmin Zhang , Yuhan Tang , Jixuan Tang

StorSeismic is a recently introduced model based on the Transformer to adapt to various seismic processing tasks through its pretraining and fine-tuning training strategy. In the original implementation, StorSeismic utilized a sinusoidal…

Geophysics · Physics 2023-08-10 Randy Harsuko , Tariq Alkhalifah

Stiff dynamical systems represent a central challenge in multi scale modeling across combustion, chemical kinetics, and nonlinear dynamical systems. Neural operator learning has recently emerged as a promising approach to approximate…

Computational Physics · Physics 2026-01-06 Mauro Valorani

Magnetic tunnel junction (MTJ)-based magnetic random-access memory (MRAM) is a promising platform for neuromorphic and in-memory computing owing to its non-volatility, high endurance, fast switching dynamics and CMOS compatibility. However,…

Neuromorphic vision sensors (event cameras) simulate biological visual perception systems and have the advantages of high temporal resolution, less data redundancy, low power consumption, and large dynamic range. Since both events and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Haibo Shen , Juyu Xiao , Yihao Luo , Xiang Cao , Liangqi Zhang , Tianjiang Wang

A spin-torque nano-oscillator (STNO) driven by a ramped bias current can perform spectrum analysis quickly over a wide frequency bandwidth. The STNO spectrum analyzer operates by injection locking to external microwave signals and produces…

Mesoscale and Nanoscale Physics · Physics 2020-01-08 Steven Louis , Vasyl Tyberkevych , Jia Li , Ivan Lisenkov , Roman Khymyn , Elena Bankowski , Thomas Meitzler , Ilya Krivorotov , Andrei Slavin

We present a novel active learning algorithm, termed as iterative surrogate model optimization (ISMO), for robust and efficient numerical approximation of PDE constrained optimization problems. This algorithm is based on deep neural…

Optimization and Control · Mathematics 2020-12-30 Kjetil O. Lye , Siddhartha Mishra , Deep Ray , Praveen Chandrasekhar

A combined bottom-up assembly of electrodeposited nanowires and electron beam lithography technique has been developed to investigate the spin transfer torque and microwave emission on specially designed nanowires containing a single…

Materials Science · Physics 2015-06-12 F. Abreu Araujo , L. Piraux , V. A. Antohe , V. Cros , L. Gence

Spiking neural networks (SNNs) are the third generation of neural networks that are biologically inspired to process data in a fashion that emulates the exchange of signals in the brain. Within the Computer Vision community SNNs have…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-04 William Bjorndahl , Jack Easton , Austin Modoff , Eric C. Larson , Joseph Camp , Prasanna Rangarajan

Achieving optimal semantic segmentation with frame-based vision sensors poses significant challenges for real-time systems like UAVs and self-driving cars, which require rapid and precise processing. Traditional frame-based methods often…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 D. Hareb , J. Martinet , B. Miramond

Despite the promise of superior efficiency and scalability, real-world deployment of emerging nanoelectronic platforms for brain-inspired computing have been limited thus far, primarily because of inter-device variations and intrinsic…

Emerging Technologies · Computer Science 2024-03-25 A N M Nafiul Islam , Kezhou Yang , Amit K. Shukla , Pravin Khanal , Bowei Zhou , Wei-Gang Wang , Abhronil Sengupta

One of the open problems in scientific computing is the long-time integration of nonlinear stochastic partial differential equations (SPDEs). We address this problem by taking advantage of recent advances in scientific machine learning and…

Machine Learning · Computer Science 2019-09-04 Dongkun Zhang , Ling Guo , George Em Karniadakis

Stochastic dynamics of spin torque oscillators (STOs) can be described in terms of magnetization drift and diffusion over a current-dependent effective energy surface given by the Fokker-Planck equation. Here we present a method that…

Mesoscale and Nanoscale Physics · Physics 2015-06-15 Graham E. Rowlands , Jordan A. Katine , Juergen Langer , Jian Zhu , Ilya N. Krivorotov

Compared with artificial neural networks (ANNs), spiking neural networks (SNNs) are promising to explore the brain-like behaviors since the spikes could encode more spatio-temporal information. Although pre-training from ANN or direct…

Neural and Evolutionary Computing · Computer Science 2018-09-18 Yujie Wu , Lei Deng , Guoqi Li , Jun Zhu , Luping Shi

The human brain achieves exceptional energy efficiency by co-locating memory and processing, yet reproducing this principle in hardware remains challenging because many neuromorphic devices require standby power, offer limited…

In this work, we introduce a new class of neural network operators designed to handle problems where memory effects and randomness play a central role. In this work, we introduce a new class of neural network operators designed to handle…

Machine Learning · Computer Science 2025-05-22 Rômulo Damasclin Chaves dos Santos , Jorge Henrique de Oliveira Sales

Biologically-inspired computing models have made significant progress in recent years, but the conventional von Neumann architecture is inefficient for the large-scale matrix operations and massive parallelism required by these models. This…

Hardware Architecture · Computer Science 2025-09-23 Siqing Fu , Lizhou Wu , Tiejun Li , Chunyuan Zhang , Jianmin Zhang , Sheng Ma

Transformer-based Spiking Neural Networks (SNNs) suffer from a great performance gap compared to floating-point \mbox{Artificial} Neural Networks (ANNs) due to the binary nature of spike trains. Recent efforts have introduced deep-level…

Neural and Evolutionary Computing · Computer Science 2025-08-12 Zeqi Zheng , Zizheng Zhu , Yingchao Yu , Yanchen Huang , Changze Lv , Junfeng Tang , Zhaofei Yu , Yaochu Jin
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