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Low Complexity Coefficient Selection Algorithms for Compute-and-Forward

open access: yesIEEE Access, 2017
Compute-and-forward (C&F) has been proposed as an efficient strategy to reduce the backhaul load for distributed antenna systems. Finding the optimal coefficients in C&F has commonly been treated as a shortest vector problem, which is NP-hard ...
Qinhui Huang, Alister Burr
doaj   +3 more sources

Polynomial functions on subsets of non-commutative rings — a link between ringsets and null-ideal sets

open access: yesITM Web of Conferences, 2018
Regarding polynomial functions on a subset S of a non-commutative ring R, that is, functions induced by polynomials in R[x] (whose variable commutes with the coeffcients), we show connections between, on one hand, sets S such that the integer-valued ...
Frisch Sophie
doaj   +2 more sources

Relative polynomial closure and monadically Krull monoids of integer-valued polynomials [PDF]

open access: yes, 2015
Let D be a Krull domain and Int(D) the ring of integer-valued polynomials on D. For any f in Int(D), we explicitly construct a divisor homomorphism from [f], the divisor-closed submonoid of Int(D) generated by f, to a finite sum of copies of (N_0 ...
Frisch, Sophie
core   +2 more sources

Redactable blockchains with integer-valued polynomials

open access: yesBlockchain: Research and Applications
Blockchain technology has rapidly ascended as a pivotal innovation in the financial sector, renowned for its robust tamper-resistant properties inherent in hash-based systems.
Udomsak Rakwongwan   +2 more
doaj   +2 more sources

Warm-starting quantum optimization [PDF]

open access: yesQuantum, 2021
There is an increasing interest in quantum algorithms for problems of integer programming and combinatorial optimization. Classical solvers for such problems employ relaxations, which replace binary variables with continuous ones, for instance in the ...
Daniel J. Egger   +2 more
doaj   +1 more source

Equalizing ideal for integer-valued polynomials over the upper triangular matrix ring [PDF]

open access: yesریاضی و جامعه, 2023
Let $D$ be an integral domain and $I$ be an ideal of the upper trangular matrix ring $T_{n}(D)$. In this paper, we study the equalizing ideal$$q_{I}=\{A\in T_n(D)|f(A)-f(0)\in I,\forall f\in {\operatorname{Int}}(T_n(D))\}.$$of the integer-valued ...
Ali Reza Naghipour
doaj   +1 more source

Computing discrete logarithm by interval-valued paradigm [PDF]

open access: yesElectronic Proceedings in Theoretical Computer Science, 2014
Interval-valued computing is a relatively new computing paradigm. It uses finitely many interval segments over the unit interval in a computation as data structure.
Benedek Nagy, Sándor Vályi
doaj   +1 more source

Integer-valued polynomials and binomially Noetherian rings

open access: yesZanco Journal of Pure and Applied Sciences, 2022
for each and i ≥ 0. The polynomial ring of integer-valued in rational polynomial is defined by Int ( an important example for binomial ring and is non-Noetherian ring. In this paper the algebraic structure of binomial rings has been studied by their
Shadman Kareem
doaj   +1 more source

How many qubits are needed for quantum computational supremacy? [PDF]

open access: yesQuantum, 2020
Quantum computational supremacy arguments, which describe a way for a quantum computer to perform a task that cannot also be done by a classical computer, typically require some sort of computational assumption related to the limitations of classical ...
Alexander M. Dalzell   +3 more
doaj   +1 more source

Forecasting the number of confirmed new cases of COVID-19 in Italy for the period from 19 May to 2 June 2020

open access: yesInfectious Disease Modelling, 2021
In this paper we forecast the spread of the coronavirus disease 2019 outbreak in Italy in the time window from May 19 to June 2, 2020. In particular, we consider the forecast of the number of new daily confirmed cases.
Marco Triacca, Umberto Triacca
doaj   +1 more source

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