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Existence of Order-Preserving Functions for Nontotal Fuzzy Preference Relations under Decisiveness [PDF]

open access: yesAxioms, 2017
Looking at decisiveness as crucial, we discuss the existence of an order-preserving function for the nontotal crisp preference relation naturally associated to a nontotal fuzzy preference relation.
Paolo Bevilacqua   +2 more
doaj   +11 more sources

Lifting Theorems for Continuous Order-Preserving Functions and Continuous Multi-Utility [PDF]

open access: yesAxioms, 2023
We present some lifting theorems for continuous order-preserving functions on locally and σ-compact Hausdorff preordered topological spaces. In particular, we show that a preorder on a locally and σ-compact Hausdorff topological space has a continuous ...
Gianni Bosi, Magalì Zuanon
doaj   +8 more sources

The arity gap of order-preserving functions and extensions of pseudo-Boolean functions [PDF]

open access: yesDiscrete Applied Mathematics, 2012
The aim of this paper is to classify order-preserving functions according to their arity gap. Noteworthy examples of order-preserving functions are so-called aggregation functions. We first explicitly classify the Lovász extensions of pseudo-Boolean functions according to their arity gap. Then we consider the class of order-preserving functions between
Miguel Couceiro   +2 more
exaly   +8 more sources

Symmetric 2×2 matrix functions with order preserving property [PDF]

open access: yesOpuscula Mathematica
It is known that the discrete matrix Riccati equation has the order preserving property under some assumptions. In this paper we formulate and prove the converse statement for the case when the dimensions of the matrices are \(2 \times 2\) and the order ...
Viera Štoudková Růžičková
doaj   +4 more sources

Order-Preserving and Order-Reversing Mappings between Consumption Bundles and Utilities [PDF]

open access: yesComplexity, 2021
Economics and management believe that income and price play decisive roles in consumer demand for commodities. However, there is no analysis of the order-preserving or order-reversing mapping between consumer demand and utility when income and price are ...
Chunhua Jin
doaj   +2 more sources

Secure Database Using Order-Preserving Encryption Scheme Based on Arithmetic Coding and Noise Function [PDF]

open access: yesLecture Notes in Computer Science, 2015
Part 7: Dependable Systems and ApplicationsInternational audienceOrder-preserving symmetric encryption (OPE) is a deterministic encryption scheme which encryption function preserves numerical order of the plaintexts.
Krendelev, Sergey   +5 more
exaly   +2 more sources

Separation axioms in topological preordered spaces and the existence of continuous order-preserving functions [PDF]

open access: yesApplied General Topology, 2000
We characterize the existence of a real continuous order-preserving function on a topological preordered space, under the hypotheses that the topological space is normal and the preorder satisfies a strong continuity assumption, called IC-continuity ...
Gianni Bosi, R. Isler
doaj   +3 more sources

An Objective Function for Order Preserving Hierarchical Clustering [PDF]

open access: yesMachine Learning
Abstract We present a theory and an objective function for similarity-based hierarchical clustering of probabilistic partial orders and directed acyclic graphs (DAGs). Specifically, given elements $$x \le y$$ in the partial order ...
Bakkelund, Daniel
openaire   +3 more sources

Multiple order-preserving hash functions for load balancing in P2P networks [PDF]

open access: yesInternational Journal of Communication Networks and Distributed Systems, 2018
Hash functions are at the heart of data insertion and retrieval in DHT-based overlays. However, a standard hash function destroys the natural ordering of data. To perform efficient range queries processing, more and more systems opt for an order-preserving hash function to place data.
Maeva Antoine, Fabrice Huet
openaire   +4 more sources

Existence of an order-preserving function on normally preordered spaces [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1986
The object of this paper is to generalize the classic theorems of Eilenberg and Debreu on the existence of continuous order-preserving transformations on ordered topological spaces and to prove them in a different way. The proof of the theorems is based on Nachbin's generalization to ordered topological spaces of Urysohn's separation theorem in normal ...
Mehta G.
openaire   +6 more sources

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