Topological methods in the study of functions with values in computation domains and fuzzy (quasi-)uniformities
Project supported by the Ministry of Education and Science of Spain
Grant number MTM2006-14925-C02-02
From October 1, 2006 until September 30, 2009
The members of the Research project are:
- Javier Gutiérrez García -(+00 34) 946012514.
Departamento de Matemáticas,
Universidad del País Vasco -- Euskal Herriko Unibertsitatea,
Apdo. 644, 48080 Bilbao, Spain.
- Tomasz Kubiak
Wydzial Matematyki i Informatyki,
Uniwersytet im. Adama Mickiewicza,
ul. Umultowska 87, 61-614 Poznan, Poland.
- Iraide Mardones-Pérez -(+00 34) 946015357.
Departamento de Matemáticas,
Universidad del País Vasco -- Euskal Herriko Unibertsitatea,
Apdo. 644, 48080 Bilbao, Spain.
- María Angeles de Prada Vicente -(+00 34) 946012521.
Departamento de Matemáticas,
Universidad del País Vasco -- Euskal Herriko Unibertsitatea,
Apdo. 644, 48080 Bilbao, Spain.
Key words:
- Bounded complete domain,
- Extensión of functions,
- Fuzzy quasi-metric,
- Fuzzy uniformity.
Publications:
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J. Gutiérrez García and Jorge Picado,
On the algebraic representation of semicontinuity,
J. Pure Appl. Algebra 210 (2007), no. 2, 299-306.
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J. Gutiérrez García, M.A. de Prada Vicente and S. Romaguera,
Completeness on Hutton uniform spaces,
Fuzzy Sets and Systems 158 (2007), no. 16, 1791-1802.
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J. Gutiérrez García
Order-reversing involutions and lattices with residuation,
Indian Journal of Pure and Applied Mathematics 38 (2007), no. 4, 271-280
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I. Mardones Pérez and M.A. de Prada Vicente,
Monotone insertion of lattice-valued functions,
Acta Math. Hung. 117 (2007), no. 1-2, 187-200.
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J. Gutiérrez García and T. Kubiak,
Sandwich-type characterization of completely regular spaces,
Applied General Topology 8 (2007), no. 2, 239-242.
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J. Gutiérrez García, M.A. de Prada Vicente and T. Kubiak,
Generating and inserting continuous functions with values in bounded complete domains and hedgehog-like structures,
Houston J. Math. 34 (2008), no. 1, 123-144.
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J. Gutiérrez García, T. Kubiak and Jorge Picado,
Monotone insertion and monotone extension
of frame homomorphisms,
J. Pure Appl. Algebra 212 (2008), no. 5, 955-968.
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J. Gutiérrez García and T. Kubiak,
A new look at some classical theorems
on continuous functions on normal spaces,
Acta Mathematica Hungarica 119 (2008), no. 4, 333-339.
- J. Gutiérrez García, I. Mardones Pérez, J. Picado and M.A. de Prada Vicente,
Uniform-type structures on lattice-valued spaces and frames,
Fuzzy Sets and Systems 159 (2008), no. 19, 2469-2487.
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U. Höhle and T. Kubiak,
Approximating orders in meet-continuous lattices and regularity axioms in many valued topology,
Order 25 (2008), no. 1, 9-17.
- U. Höhle and T. Kubiak,
A note on Hausdorff separation in $L$-$\mathbf{Top}$,
Fuzzy Sets and Systems 159 (2008), no. 19, 2606-2610.
- J. Gutiérrez García, T. Kubiak and J. Picado,
Pointfree forms of Dowker and Michael insertion theorems,
J. Pure Appl. Algebra. 213 (2009), no. 1, 98-108.
- J. Gutiérrez García, I. Mardones Pérez and M.A. de Prada Vicente,
Monotone normality free of T1 axiom,
Acta Math. Hungar., 122 (2009), no. 1-2, 71-80.
- J. Gutiérrez García, T. Kubiak and J. Picado,
Lower and upper regularizations of frame semicontinuous real functions,
Algebra univers. 60 (2009), no. 2, 169-184.
- J. Gutiérrez García, T. Kubiak and J. Picado,
Localic real functions: a general setting,
J. Pure Appl. Algebra 213 (2009), no. 6, 1064-1074.
- T. Kubiak and M.A. de Prada Vicente,
On quasi-uniform space valued semi-continuous functions,
Comment. Math. Univ. Carolin. 50 (2009), no. 1, 125-133.
- J.C. Candeal, J. Gutiérrez García and E. Indurain,
Universal codomains to represent interval-orders,
International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems 17 (2009), no. 1, 197-219.
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J. Gutiérrez García, M.A. de Prada Vicente and T. Kubiak,
Controlling disjointness with a hedgehog,
Houston J. Math. 35 (2009), no. 2, 469-484
- G. Bosi, J. Gutiérrez García and E. Induráin
Unified representability of total preorders and interval
orders through a single function: The lattice approach,
Order 26 (2009), no. 3, 255-275.
- M.J. Ferreira, J. Gutiérrez García and J. Picado,
Completely normal frames and real-valued functions,
Topology Appl.156 (2009), 2932-2941.
- J. Gutiérrez García, Iraide Mardones Pérez, M.A. de Prada Vicente and Dexue Zhang,
Fuzzy Galois connections categorically,
Mathematical Logic Quarterly 2 (2010), 131-147..
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J. Gutiérrez García, S. Romaguera and M. Sanchis
Fuzzy uniform structures and continuous $t$-norms,
Fuzzy Sets and Systems 161 (2010), 1011-1021.
Conferences:
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J. Gutiérrez García, (coauthors T. Kubiak and M.A. de Prada Vicente),
Insertion and extension of hedgehog-valued functions,
22nd Summer Conference on Topology and Its Applications, Castellón, Spain. July 2007.
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M.A. de Prada Vicente, (coauthor T. Kubiak),
On quasi-uniform space valued semicontinuous functions,
22nd Summer Conference on Topology and Its Applications, Castellón, Spain. July 2007.
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I. Mardones Pérez, (coauthors J. Gutiérrez García, M.A. de Prada Vicente and Jorge Picado),
Uniform-type structures on lattice-valued spaces and frames,
22nd Summer Conference on Topology and Its Applications, Castellón, Spain. July 2007.
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J. Gutiérrez García, (coauthors Juan Carlos Candeal and Esteban Induráin),
Universal codomains to represent interval orders,
22nd Summer Conference on Topology and Its Applications, Castellón, Spain. July 2007.
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J. Gutiérrez García, (coauthors T. Kubiak and J. Picado),
Localic real-valued functions: a general setting,
29th Linz Seminar on Fuzzy Set Theory: Foundations of Lattice-Valued Mathematics with Applications to Algebra and Topology, Linz, Austria. February 2008.
(Invited speaker)
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I. Mardones Pérez, (coauthors J. Gutiérrez García, M.A. de Prada Vicente and Jorge Picado),
Uniform-type structures on lattice-valued spaces and frames,
29th Linz Seminar on Fuzzy Set Theory: Foundations of Lattice-Valued Mathematics with Applications to Algebra and Topology, Linz, Austria. February 2008.
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T. Kubiak, (coauthors J. Gutiérrez García and M.A. de Prada Vicente),
Controlling disjointness with a hedgehog,
Set Theory, Topology and Banach Spaces (Second International Topology Conference in Kielce), Kielce, Poland. July 2008.
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J. Gutiérrez García, (coauthors T. Kubiak and J. Picado),
Making the ring of continuous localic real functions into a subring of all localic real functions,
BLAST 2008, Denver, USA. August 2008.
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I. Mardones Pérez, (coauthors J. Gutiérrez García and M.A. de Prada Vicente),
Insertion Theorems for Lattice-valued Functions
on Preordered Topological Spaces,
(Invited speaker)
Workshop in Applied Topology (WiAT'09), Palma de Mallorca, Spain, June 2009.
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M.A. de Prada Vicente,
From the real numbers to domains,
Workshop in Applied Topology (WiAT'09), Palma de Mallorca, Spain, June 2009.
(Invited speaker)
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J. Gutiérrez García, (coauthor Esteban Induráin),
Unified representability of total preorders, semiorders and interval orders through scales and a single map,
(Invited speaker)
Workshop in Applied Topology (WiAT'09), Palma de Mallorca, Spain, June 2009.
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J. Gutiérrez García, (coauthor Tomasz Kubiak),
Localic analogues of general insertion and extension theorems
for real-valued functions,
International Category Theory Conference 2009 (CT2009), Cape Town, South Africa, June-July 2009.
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J. Gutiérrez García, (coauthors Tomasz Kubiak and Jorge Picado),
Real-valued functions in pointfree topology,
2nd International Conference on Topology and its Applications, Ankara,Turkey, July 2009.
(Invited speaker)
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Tomasz Kubiak, (coauthor J. Gutiérrez García),
Embedding locales of prescribed weight into localic products,
24th Summer Conference on Topology and Its Applications, Brno,Czeck Republic, July 2009.
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J. Gutiérrez García, (coauthor Jorge Picado),
On extended real valued functions in pointfree topology,
VI Portuguese Category Seminar, Coimbra, Portugal, July, 2009.
(Invited speaker)