نتایج جستجو برای: xor

تعداد نتایج: 2663  

Journal: :npj Quantum Information 2022

Abstract Quantum compilation is the task of translating a high-level description quantum algorithm into sequence low-level operations. We propose and motivate use Xor-And-Inverter Graphs (XAG) to specify Boolean functions for compilation. present three different XAG-based algorithms synthesize circuits in Clifford + T library, hence targeting fault-tolerant computing. The are designed minimize ...

2015
Georg T. Becker

In this paper we demonstrate the first real-world cloning attack on a commercial PUF-based RFID tag. The examined commercial PUFs can be attacked by measuring only 4 protocol executions, which takes less than 200 ms. Using a RFID smartcard emulator, it is then possible to impersonate, i.e., “clone” the PUF. While attacking the 4-way PUF used by these tags can be done using traditional machine l...

Journal: :CoRR 2014
Ragesh Jaiswal

There is a close connection between Direct Product and XOR lemmas in the sense that in many settings, we can prove one given the other. The known reductions that are used for the above purpose are either in the non-uniform setting or give non-matching parameters. By non-matching parameter we mean that k-wise Direct Product lemma implies k′-wise XOR lemma (and vice versa) for k 6= k′. In this wo...

2001
Michael Thorwart Peter Hänggi

The dynamics of a generic quantum XOR gate operation involving two interacting qubits being coupled to a bath of quantum harmonic oscillators is explored. By use of the formally exact quasiadiabatic-propagator path-integral methodology we study the time-resolved evolution of this interacting and decohering two-qubit system in presence of time-dependent external fields. The quality of the XOR ga...

Journal: :IACR Cryptology ePrint Archive 2016
Bahram Rashidi Sayed Masoud Sayedi Reza Rezaeian Farashahi

In this paper, by employing the logical effort technique an efficient and high-speed VLSI implementation of the digit-serial Gaussian normal basis multiplier is presented. It is constructed by using AND, XOR and XOR tree components. To have a low-cost implementation with low number of transistors, the block of AND gates are implemented by using NAND gates based on the property of the XOR gates ...

2016
Xiulong Xu Geetha Rao Yi Li

MICA/B (the major histocompatibility antigen-related chain A and B) and Rae I are stress-inducible ligands for the immune-receptor NKG2D. Mechanisms by which genotoxic stress and DNA damage induce the expression of NKG2D ligands remain incompletely understood. Here, we report that inhibition of xanthine oxidoreductase (XOR) activity by allopurinol or inhibition of XOR expression by gene knockdo...

2016
Changyi Chen Jian-Ming Lü Qizhi Yao

Uric acid is the final oxidation product of purine metabolism in humans. Xanthine oxidoreductase (XOR) catalyzes oxidative hydroxylation of hypoxanthine to xanthine to uric acid, accompanying the production of reactive oxygen species (ROS). Uric acid usually forms ions and salts known as urates and acid urates in serum. Clinically, overproduction or under-excretion of uric acid results in the e...

2016
Christa Zollbrecht A. Erik G. Persson Jon O. Lundberg Eddie Weitzberg Mattias Carlström

BACKGROUND Inorganic nitrite has shown beneficial effects in cardiovascular and metabolic diseases partly via attenuation of NADPH-oxidase (NOX)-mediated oxidative stress. However, the exact mechanisms are still unclear. Here we investigated the role of S-nitrosation or altered expression of NOX subunits, and the role of xanthine oxidoreductase (XOR) in nitrite-derived nitric oxide (NO) product...

Journal: :Circulation research 2006
Khalid M Minhas Roberto M Saraiva Karl H Schuleri Stephanie Lehrke Meizi Zheng Anastasios P Saliaris Cristine E Berry Lili A Barouch Konrad M Vandegaer Dechun Li Joshua M Hare

Increased reactive oxygen species (ROS) generation is implicated in cardiac remodeling in heart failure (HF). As xanthine oxidoreductase (XOR) is 1 of the major sources of ROS, we tested whether XOR inhibition could improve cardiac performance and induce reverse remodeling in a model of established HF, the spontaneously hypertensive/HF (SHHF) rat. We randomized Wistar Kyoto (WKY, controls, 18 t...

2012
George Katsirelos Laurent Simon

One potential direction for improving the performance of SAT solvers is by using a stronger underlying proof system, e.g., [1]. We propose a step in improving the learning architecture of SAT solvers and describe a learning scheme in the polynomial calculus with resolution (PCR), a proof system that generalizes both resolution and Gaussian elimination. The scheme fits the general structure of C...

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