Results 71 to 80 of about 583 (205)

Improved Robust Price Bounds for Multi-Asset Derivatives under Market-Implied Dependence Information

open access: yes, 2022
We show how inter-asset dependence information derived from observed market prices of liquidly traded options can lead to improved model-free price bounds for multi-asset derivatives.
Ansari, Jonathan   +3 more
core  

Recursive Random Binning to Detect and Display Pairwise Dependence

open access: yesStatistical Analysis and Data Mining: An ASA Data Science Journal, Volume 18, Issue 5, October 2025.
ABSTRACT Random binnings generated via recursive binary splits are introduced as a way to detect, measure the strength of, and to display the pattern of association between any two variates, whether one or both are continuous or categorical. This provides a single approach to ordering large numbers of variate pairs by their measure of dependence and ...
Chris Salahub, R. Wayne Oldford
wiley   +1 more source

Discrete Imprecise Copulas [PDF]

open access: yes
In this paper, we study discrete quasi-copulas associated with imprecise copulas. We focus on discrete imprecise copulas that are in correspondence with the Alternating Sign Matrices and provide some construction techniques of dual pairs.
Košir, Tomaž, Perrone, Elisa
core   +1 more source

Extending multivariate sub-quasi-copulas [PDF]

open access: green, 2023
Damjana Kokol Bukovšek   +3 more
openalex   +1 more source

A copula-based approach to aggregation functions [PDF]

open access: yes
This paper presents the role of copula functions in the theory of aggregation operators and an axiomatic characterization of Archimedean aggregation functions.
Maddalena Manzi, Marta Cardin
core  

A primer on triangle functions II [PDF]

open access: yes, 2010
In [32] we presented an overview of concepts, facts and results on triangle functions based on the notions of t-norm, copula, (generalized) convolution, semicopula, quasi-copula. Here, we continue our presentation.
S. Saminger Platz, SEMPI, Carlo
core  

Discrete copulas and quasi-copulas

open access: yes, 2022
The thesis gives a brief introduction to two dimensional copulas and related functions. Firstly, we present copulas, their usage and according history. Furthermore, in the text we include some examples and visual representations for this purpose. Copulas are cumulative distribution functions defined on the unit square with marginal distributions which ...
openaire   +1 more source

Képi sémák az 'ül' kvázikopulák létrejöttének hátterében [PDF]

open access: yes
In the present paper, I investigate the meanings of the quasi-copula ’sit’ in European and non-European languages. Preliminary research suggests that languages can be grouped according to whether or not the quasi-copula verb 'sit' is used at all and, if ...
Sipos Mária
core  

A study on the cardinality of some families of discrete operators through alternating sign matrices [PDF]

open access: yes
[eng] Determining the number of discrete operators has been a topic of interest for the scientific community since the introduction of these operators. This paper represents a further stage within this topic in the field of operators defined on a finite ...
Massanet, S.   +2 more
core   +1 more source

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