Efficient estimation of Pauli channels

ST Flammia, JJ Wallman - ACM Transactions on Quantum Computing, 2020 - dl.acm.org
Pauli channels are ubiquitous in quantum information, both as a dominant noise source in
many computing architectures and as a practical model for analyzing error correction and …

Approximate amplitude encoding in shallow parameterized quantum circuits and its application to financial market indicators

K Nakaji, S Uno, Y Suzuki, R Raymond, T Onodera… - Physical Review …, 2022 - APS
Efficient methods for loading given classical data into quantum circuits are essential for
various quantum algorithms. In this paper, we propose an algorithm called Approximate …

Advances in Set Function Learning: A Survey of Techniques and Applications

J **e, G Tong - ACM Computing Surveys, 2025 - dl.acm.org
Set function learning has emerged as a crucial area in machine learning, addressing the
challenge of modeling functions that take sets as inputs. Unlike traditional machine learning …

Sparse signal representation, sampling, and recovery in compressive sensing frameworks

I Ahmed, A Khalil, I Ahmed, J Frnda - IEEE Access, 2022 - ieeexplore.ieee.org
Compressive sensing allows the reconstruction of original signals from a much smaller
number of samples as compared to the Nyquist sampling rate. The effectiveness of …

Fast estimation of sparse quantum noise

R Harper, W Yu, ST Flammia - PRX Quantum, 2021 - APS
As quantum computers approach the fault-tolerance threshold, diagnosing and
characterizing the noise on large-scale quantum devices is increasingly important. One of …

Computing a k-sparse n-length discrete Fourier transform using at most 4k samples and O (k log k) complexity

S Pawar, K Ramchandran - 2013 IEEE International …, 2013 - ieeexplore.ieee.org
Given an n-length input signal x, it is well known that its Discrete Fourier Transform (DFT), X,
can be computed in O (nlogn) complexity using a Fast Fourier Transform. If the spectrum X is …

FFAST: An Algorithm for Computing an Exactly -Sparse DFT in Time

S Pawar, K Ramchandran - IEEE Transactions on Information …, 2017 - ieeexplore.ieee.org
It is a well-known fact that the Discrete Fourier Transform (DFT) X̅ of an arbitrary n-length
input signal x̅, can be computed from all the n time-domain samples in O (n log n) …

FFT and sparse FFT techniques and applications

BN Mohapatra, RK Mohapatra - 2017 Fourteenth International …, 2017 - ieeexplore.ieee.org
Currently, the FFT is used in different areas, starting from identification of frequency on
mechanical vibration to image enhancement. Real-time computation by interpret the …

Powerset convolutional neural networks

C Wendler, M Püschel… - Advances in Neural …, 2019 - proceedings.neurips.cc
We present a novel class of convolutional neural networks (CNNs) for set functions, ie, data
indexed with the powerset of a finite set. The convolutions are derived as linear, shift …

Walsh transforms and cryptographic applications in bias computing

Y Lu, Y Desmedt - Cryptography and communications, 2016 - Springer
Walsh transform is used in a wide variety of scientific and engineering applications,
including bent functions and cryptanalytic optimization techniques in cryptography. In linear …