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A counter example on a Borsuk conjecture
(Universitat Politècnica de València, 2023)
The study of shape restrictions of subsets of Rd has several applications in many areas, being convexity, r-convexity, and positive reach, some of the most famous, and typically imposed in set estimation. The following ...
Tightening the contract refinements of a system architecture
(Springer, 2018-02)
Contract-based design is an emerging paradigm for correct-by-construction hierarchical systems: components are associated with assumptions and guarantees expressed as formal properties; the architecture is analyzed by ...
The consequences of hospital autonomization in Colombia: A transaction cost economics analysis
Granting autonomy to public hospitals in developing countries has been common over recent decades, and implies a shift from hierarchical to contract-based relationships with health authorities. Theory on transactions costs ...
Belief base contraction by belief accrual
(Elsevier Science, 2019-10)
The problem of knowledge evolution has received considerable attention over the years. Mainly, the study of the dynamics of knowledge has been addressed in the area of Belief Revision, a field emerging as the convergence ...
Robust management and pricing of liquefied natural gas contracts with cancelation options
(Springer New York LLC, 2014)
Liquefied Natural Gas contracts offer cancelation options that make their pricing difficult, especially if many gas storages need to be taken into account. We develop a valuation mechanism from the buyer's perspective, a ...
ALTERNATING CONTRACTION AND EXTENSION IN THE SOUTHERN CENTRAL ANDES (35 degrees-37 degrees S)
(2019)
The Andes are thought to be formed through discrete contractional stages separated by periods of little to no orogenic construction. This paper analyzes the intervals between the main contractional phases that built the ...
Alternating contraction and extension in the southern central andes (35°-37°s)
(Amer Journal Science, 2019-05)
The Andes are thought to be formed through discrete contractional stages separated by periods of little to no orogenic construction. This paper analyzes the intervals between the main contractional phases that built the ...
Job Preferences of Nurses and Midwives for Taking Up a Rural Job in Peru: A Discrete Choice Experiment
(Public Library of Science, 2012)
Background: Robust evidence on interventions to improve the shortage of health workers in rural areas is needed. We assessed stated factors that would attract short-term contract nurses and midwives to work in a rural area ...