On the levels of fuzzy mappings and applications to optimization. - Yurilev Chalco-Cano; Heriberto Román-Flores; Marko Antonio Rojas-Medar (EUSFLAT Conf., 2005)

Continuity of set defuzzification methods. - Heriberto Román-Flores; Yurilev Chalco-Cano; A. Flores-Franulic (EUSFLAT Conf., 2005)

Fuzzy quasilinear spaces and applications. - Marko Antonio Rojas-Medar; María-Dolores Jiménez-Gamero; Yurilev Chalco-Cano; A. J. Viera-Brandão (Fuzzy Sets Syst., 2005)

H-continuity of fuzzy measures and set defuzzification. - Heriberto Román-Flores; Yurilev Chalco-Cano (Fuzzy Sets Syst., 2006)

The fuzzy integral for monotone functions. - Heriberto Román-Flores; A. Flores-Franulic; Yurilev Chalco-Cano (Appl. Math. Comput., 2007)

Sugeno Integral and Geometric Inequalities. - Heriberto Román-Flores; Yurilev Chalco-Cano (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2007)

The extension principle and a decomposition of fuzzy sets. - Yurilev Chalco-Cano; Heriberto Román-Flores; Marko Antonio Rojas-Medar; Osvaldo Ronald Saavedra; María-Dolores Jiménez-Gamero (Inf. Sci., 2007)

Fuzzy differential equations and the extension principle. - Marina T. Mizukoshi; Laécio Carvalho de Barros; Yurilev Chalco-Cano; Heriberto Román-Flores; Rodney Carlos Bassanezi (Inf. Sci., 2007)

A Jensen type inequality for fuzzy integrals. - Heriberto Román-Flores; A. Flores-Franulic; Yurilev Chalco-Cano (Inf. Sci., 2007)

Solution of non-linear fuzzy systems by decomposition of incremental fuzzy numbers. - Osvaldo Ronald Saavedra; H. H. D. Mangueira; Yurilev Chalco-Cano; Heriberto Román-Flores (Inf. Sci., 2007)

A note on fuzzy integral inequality of Stolarsky type. - A. Flores-Franulic; Heriberto Román-Flores; Yurilev Chalco-Cano (Appl. Math. Comput., 2008)

A convolution type inequality for fuzzy integrals. - Heriberto Román-Flores; A. Flores-Franulic; Yurilev Chalco-Cano (Appl. Math. Comput., 2008)

A Hardy-type inequality for fuzzy integrals. - Heriberto Román-Flores; A. Flores-Franulic; Yurilev Chalco-Cano (Appl. Math. Comput., 2008)

An approximation to the extension principle using decomposition of fuzzy intervals. - Yurilev Chalco-Cano; María-Dolores Jiménez-Gamero; Heriberto Román-Flores; Marko Antonio Rojas-Medar (Fuzzy Sets Syst., 2008)

A new type of approximation for fuzzy intervals. - Yurilev Chalco-Cano; Heriberto Román-Flores; Fernando A. C. Gomide (Fuzzy Sets Syst., 2008)

Fuzzy Differential Equation with p-Derivative. - Yurilev Chalco-Cano; Heriberto Román-Flores; María-Dolores Jiménez-Gamero (IFSA/EUSFLAT Conf., 2009)

Chaos Induced by Turbulent and Erratic Functions. - Heriberto Román-Flores; Yurilev Chalco-Cano; Geraldo Nunes Silva (IFSA/EUSFLAT Conf., 2009)

Markov type inequalities for fuzzy integrals. - A. Flores-Franulic; Heriberto Román-Flores; Yurilev Chalco-Cano (Appl. Math. Comput., 2009)

Goodness-of-fit tests based on empirical characteristic functions. - María-Dolores Jiménez-Gamero; V. Alba Fernández; Joaquín Muñoz-García; Yurilev Chalco-Cano (Comput. Stat. Data Anal., 2009)

Comparation between some approaches to solve fuzzy differential equations. - Yurilev Chalco-Cano; Heriberto Román-Flores (Fuzzy Sets Syst., 2009)

Spline Approximation for Zadeh's Extensions. - Yurilev Chalco-Cano; M. T. Misukoshi; Heriberto Román-Flores; A. Flores-Franulic (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2009)

On the approximation of compact fuzzy sets. - Yurilev Chalco-Cano; Andrés D. Báez-Sánchez; Heriberto Román-Flores; Marko Antonio Rojas-Medar (Comput. Math. Appl., 2011)

Generalized derivative and π-derivative for set-valued functions. - Yurilev Chalco-Cano; Heriberto Román-Flores; María-Dolores Jiménez-Gamero (Inf. Sci., 2011)

On invex fuzzy mappings and fuzzy variational-like inequalities. - Antonio Rufián-Lizana; Yurilev Chalco-Cano; Rafaela Osuna Gómez; Gabriel Ruiz Garzón (Fuzzy Sets Syst., 2012)

The Karush-Kuhn-Tucker optimality conditions for a class of fuzzy optimization problems using strongly generalized derivative. - Yurilev Chalco-Cano; Weldon A. Lodwick; Heriberto Román-Flores (IFSA/NAFIPS, 2013)

An Ostrowski type inequality for interval-valued functions. - Arturo Flores-Franulic; Yurilev Chalco-Cano; Heriberto Román-Flores (IFSA/NAFIPS, 2013)

A note on Gronwall type inequality for interval-valued functions. - Heriberto Román-Flores; Yurilev Chalco-Cano; Geraldo Nunes Silva (IFSA/NAFIPS, 2013)

Optimality conditions of type KKT for optimization problem with interval-valued objective function via generalized derivative. - Yurilev Chalco-Cano; Weldon A. Lodwick; Antonio Rufián-Lizana (Fuzzy Optim. Decis. Mak., 2013)

Some remarks on fuzzy differential equations via differential inclusions. - Yurilev Chalco-Cano; Heriberto Román-Flores (Fuzzy Sets Syst., 2013)

A note on generalized convexity for fuzzy mappings through a linear ordering. - Yurilev Chalco-Cano; Antonio Rufián-Lizana; Heriberto Román-Flores; Rafaela Osuna Gómez (Fuzzy Sets Syst., 2013)

Calculus for interval-valued functions using generalized Hukuhara derivative and applications. - Yurilev Chalco-Cano; Antonio Rufián-Lizana; Heriberto Román-Flores; María-Dolores Jiménez-Gamero (Fuzzy Sets Syst., 2013)

A Two-Dimensional Hardy Type inequality for Fuzzy integrals. - Heriberto Román-Flores; A. Flores-Franulic; Yurilev Chalco-Cano; Dan A. Ralescu (Int. J. Uncertain. Fuzziness Knowl. Based Syst., 2013)

Single level constraint interval arithmetic. - Yurilev Chalco-Cano; Weldon A. Lodwick; Barnabás Bede (Fuzzy Sets Syst., 2014)

A note on optimality conditions to interval optimization problems. - Yurilev Chalco-Cano; Rafaela Osuna Gómez; Beatriz Hernández-Jiménez; Heriberto Román-Flores (IFSA-EUSFLAT, 2015)

Normalized expression for solutions to linear fuzzy differential equations under combination of differences. - Yurilev Chalco-Cano; Alireza Khastan; Rosana Rodríguez-López (IFSA-EUSFLAT, 2015)

Solving fuzzy differential equations via differential inclusions. - Yurilev Chalco-Cano; Rosana Rodríguez-López; Geraldo Nunes Silva (IFSA-EUSFLAT, 2015)

Transitivity of interval and fuzzy-interval extensions of interval functions. - Heriberto Román-Flores; Yurilev Chalco-Cano (IFSA-EUSFLAT, 2015)

A note on algebra of generalized Hukuhara differentiable fuzzy functions. - Yurilev Chalco-Cano (NAFIPS/WConSC, 2015)

A new approach for differentiability of interval-valued functions as first step toward fuzzy differentiability. - Tiago Mendonça da Costa; Weldon A. Lodwick; Yurilev Chalco-Cano; Geraldo Nunes Silva (NAFIPS/WConSC, 2015)

A generalization of Ostrowski type inequalities for fuzzy-valued functions. - A. Flores-Franulic; I. Aguirre-Cipe; Yurilev Chalco-Cano; Heriberto Román-Flores (NAFIPS/WConSC, 2015)

A note on dynamics of interval extensions of interval functions. - Heriberto Román-Flores; Yurilev Chalco-Cano (NAFIPS/WConSC, 2015)

Interval-valued functions in a quotient space. - Élder J. Villamizar-Roa; Yurilev Chalco-Cano; Heriberto Román-Flores (NAFIPS/WConSC, 2015)

Distance measures for Interval Type-2 fuzzy numbers. - Juan Carlos Figueroa García; Yurilev Chalco-Cano; Heriberto Román-Flores (Discret. Appl. Math., 2015)

On the Newton method for solving fuzzy optimization problems. - Yurilev Chalco-Cano; Geraldo Nunes Silva; Antonio Rufián-Lizana (Fuzzy Sets Syst., 2015)

Existence of solutions to fuzzy differential equations with generalized Hukuhara derivative via contractive-like mapping principles. - Élder J. Villamizar-Roa; Vladimir Angulo-Castillo; Yurilev Chalco-Cano (Fuzzy Sets Syst., 2015)

Generalized convexity in fuzzy vector optimization through a linear ordering. - Manuel Arana-Jiménez; Antonio Rufián-Lizana; Yurilev Chalco-Cano; Heriberto Román-Flores (Inf. Sci., 2015)

Generalized interval vector spaces and interval optimization. - Tiago Mendonça da Costa; Yurilev Chalco-Cano; Weldon A. Lodwick; Geraldo Nunes Silva (Inf. Sci., 2015)

Optimality conditions for generalized differentiable interval-valued functions. - Rafaela Osuna Gómez; Yurilev Chalco-Cano; Beatriz Hernández-Jiménez; Gabriel Ruiz Garzón (Inf. Sci., 2015)

Description of the Attainable Sets of One-Dimensional Differential Inclusions. - Yurilev Chalco-Cano; Valeriano Antunes de Oliveira; Geraldo Nunes Silva (J. Optim. Theory Appl., 2015)

Ostrowski type inequalities and applications in numerical integration for interval-valued functions. - Yurilev Chalco-Cano; Weldon A. Lodwick; W. Condori-Equice (Soft Comput., 2015)

On Computing the Footprint of Uncertainty of an Interval Type-2 Fuzzy Set as Uncertainty Measure. - Juan Carlos Figueroa-García; Germán Jairo Hernández-Pérez; Yurilev Chalco-Cano (WEA, 2016)

The Karush-Kuhn-Tucker optimality conditions for fuzzy optimization problems. - Yurilev Chalco-Cano; Weldon A. Lodwick; Rafaela Osuna Gómez; Antonio Rufián-Lizana (Fuzzy Optim. Decis. Mak., 2016)

Characterizations of generalized differentiable fuzzy functions. - Yurilev Chalco-Cano; Rosana Rodríguez-López; María-Dolores Jiménez-Gamero (Fuzzy Sets Syst., 2016)

Necessary and sufficient conditions for fuzzy optimality problems. - Rafaela Osuna Gómez; Yurilev Chalco-Cano; Antonio Rufián-Lizana; Beatriz Hernández-Jiménez (Fuzzy Sets Syst., 2016)

Improved optimality conditions for fuzzy mathematical programming. - Rafaela Osuna Gómez; Beatriz Hernández-Jiménez; Yurilev Chalco-Cano; Gabriel Ruiz Garzón (FUZZ-IEEE, 2017)

New efficiency conditions for multiobjective interval-valued programming problems. - Rafaela Osuna Gómez; Beatriz Hernández-Jiménez; Yurilev Chalco-Cano; Gabriel Ruiz Garzón (Inf. Sci., 2017)

Order Relations, Convexities, and Jensen's Integral Inequalities in Interval and Fuzzy Spaces. - Tiago Mendonça da Costa; Yurilev Chalco-Cano; Laécio Carvalho de Barros; Geraldo Nunes Silva (NAFIPS, 2018)

Different optimum notions for fuzzy functions and optimality conditions associated. - Rafaela Osuna Gómez; Beatriz Hernández-Jiménez; Yurilev Chalco-Cano; Gabriel Ruiz Garzón (Fuzzy Optim. Decis. Mak., 2018)

A new approach to linear interval differential equations as a first step toward solving fuzzy differential. - Tiago Mendonça da Costa; Yurilev Chalco-Cano; Weldon A. Lodwick; Geraldo Nunes Silva (Fuzzy Sets Syst., 2018)

Yager Index and Ranking for Interval Type-2 Fuzzy Numbers. - Juan Carlos Figueroa García; Yurilev Chalco-Cano; Heriberto Román-Flores (IEEE Trans. Fuzzy Syst., 2018)

Gauss-type integral inequalities for interval and fuzzy-interval-valued functions. - Tiago Mendonça da Costa; Geraldo Nunes Silva; Yurilev Chalco-Cano; Heriberto Román-Flores (Comput. Appl. Math., 2019)

Algebra of generalized Hukuhara differentiable interval-valued functions: review and new properties. - Yurilev Chalco-Cano; Gino Gustavo Maqui-Huamán; Geraldo Nunes Silva; María-Dolores Jiménez-Gamero (Fuzzy Sets Syst., 2019)

Opial-type inequalities for interval-valued functions. - Tiago Mendonça da Costa; Heriberto Román-Flores; Yurilev Chalco-Cano (Fuzzy Sets Syst., 2019)

Optimality conditions for fuzzy constrained programming problems. - Rafaela Osuna Gómez; Yurilev Chalco-Cano; Beatriz Hernández-Jiménez; I. Aguirre-Cipe (Fuzzy Sets Syst., 2019)

The continuous-time problem with interval-valued functions: applications to economic equilibrium. - Gabriel Ruiz Garzón; Rafaela Osuna Gómez; Antonio Rufián-Lizana; Yurilev Chalco-Cano (Optim. Methods Softw., 2019)

On the relationship between the centroid and the footprint of uncertainty of Interval Type-2 fuzzy numbers. - Juan Carlos Figueroa-García; Roman Neruda; Yurilev Chalco-Cano; Heriberto Román-Flores (FUZZ-IEEE, 2020)

On the Sum of Generalized Hukuhara Differentiable Fuzzy Functions. - Yurilev Chalco-Cano; Alireza Khastan; Antonio Rufián-Lizana (IPMU (2), 2020)

Wirtinger-type integral inequalities for interval-valued functions. - Tiago Mendonça da Costa; Yurilev Chalco-Cano; Heriberto Román-Flores (Fuzzy Sets Syst., 2020)

A note on defuzzification of type-2 fuzzy intervals. - Heriberto Román-Flores; Yurilev Chalco-Cano; Juan Carlos Figueroa-García (Fuzzy Sets Syst., 2020)

Ostrowski-type inequalities for fuzzy-valued functions and its applications in quadrature theory. - Tiago Mendonça da Costa; A. Flores-Franulic; Yurilev Chalco-Cano; I. Aguirre-Cipe (Inf. Sci., 2020)

New properties of the switching points for the generalized Hukuhara differentiability and some results on calculus. - Yurilev Chalco-Cano; Tiago Mendonça da Costa; Heriberto Román-Flores; Antonio Rufián-Lizana (Fuzzy Sets Syst., 2021)

A Characterization for Generalized Hukuhara Differentiable Interval-Valued Functions and Some Rules of Calculus. - Juan Carlos Blanche-Alcócer; Yurilev Chalco-Cano (IPMU (1), 2022)

A Review on Differentiability and Optimality Conditions in Fuzzy Environments. - Beatriz Hernández-Jiménez; Rafaela Osuna Gómez; Yurilev Chalco-Cano; Tiago Mendonça da Costa (IPMU (1), 2022)

An Experimental Study on Fuzzy Markov Chains Under Mn Generalized Mean Relation. - Juan Carlos Figueroa García; Roman Neruda; Yurilev Chalco-Cano (NAFIPS, 2022)

Weighted polygonal approximation of fuzzy numbers preserving their main characteristics. - Andrés D. Báez-Sánchez; A. Flores-Franulic; Antônio Carlos Moretti; Yurilev Chalco-Cano; Marko Antonio Rojas-Medar (Fuzzy Sets Syst., 2022)

Type-reduction of Interval Type-2 fuzzy numbers via the Chebyshev inequality. - Juan Carlos Figueroa-García; Heriberto Román-Flores; Yurilev Chalco-Cano (Fuzzy Sets Syst., 2022)

Interval order relationships based on automorphisms and their application to interval optimization. - Tiago Mendonça da Costa; Yurilev Chalco-Cano; Rafaela Osuna Gómez; Weldon A. Lodwick (Inf. Sci., 2022)

Applications of generalized fixed points theorems to the existence of uncertainly hyperbolic partial differential equations with finite delay. - Vladimir Angulo-Castillo; Yurilev Chalco-Cano; Élder Jesús Villamizar-Roa (Comput. Appl. Math., 2022)

Quasilinear approximation for interval-valued functions via generalized Hukuhara differentiability. - Rafaela Osuna Gómez; Tiago Mendonça da Costa; Yurilev Chalco-Cano; Beatriz Hernández-Jiménez (Comput. Appl. Math., 2022)

Interval Sequence: Choosing a Sequence of the Investment. - Marina T. Mizukoshi; Tiago Mendonça da Costa; Yurilev Chalco-Cano; Weldon A. Lodwick (NAFIPS, 2023)

A formalization of constraint interval: A precussor to fuzzy interval analysis. - Marina T. Mizukoshi; Tiago Mendonça da Costa; Yurilev Chalco-Cano; Weldon A. Lodwick (Fuzzy Sets Syst., 2024)

New preference order relationships and their application to multiobjective interval and fuzzy interval optimization problems. - Tiago Mendonça da Costa; Rafaela Osuna Gómez; Yurilev Chalco-Cano (Fuzzy Sets Syst., 2024)

A New Family of Metrics in Interval Space and Their Applications to Multicriteria Decision-Making Theory. - Yurilev Chalco-Cano; Tiago Mendonça da Costa; Benjamín R. C. Bedregal; Ademir G. Chalco Cano (IEEE Trans. Fuzzy Syst., 2024)