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Integrality gap of the hypergraphic relaxation of Steiner trees: A short proof of a 1.55 upper bound
Operations Research Letters, 2010 Recently Byrka, Grandoni, Rothvoss and Sanita (at STOC 2010) gave a 1.39-approximation for the Steiner tree problem, using a hypergraph-based linear programming relaxation. They also upper-bounded its integrality gap by 1.55.
Deeparnab Chakrabarty
exaly +3 more sources
Reflections on the integral human being and the conception of health [PDF]
Revista Enfermagem Digital Cuidado e Promoção da Saúde, 2019 Present a multidimensional and integral view of the human being, from contemporary philosophical contributions to contribute with reflections on the conception of health today. Reflection article with hermeneutic methodology.
Mariana Marques Arantes +1 more
doaj +1 more source
Land, 2021 Policy integration is a substantive and innovative strategy, used to address complex problems that go beyond the scope of sectoral policies, and require a joint and integrated response.
María José Dorado-Rubín +2 more
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The Integrality of Qi Ontology from the Perspective of System Theory: Wang Fuzhi’s Qi Theory
Computer Sciences & Mathematics Forum, 2023 As a new perspective of understanding and explaining the world, system theory provides a new approach for studying Chinese ancient philosophy. Starting with a systematic perspective, this paper takes Wang Fuzhi, a philosopher in ancient China, as a clue ...
Ruiyuan Zhang, Tianqi Wu
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Psychosocial Suffering and Sexuality in the Context of Covid-19 and Attacks on Human Rights
Estudos e Pesquisas em Psicologia, 2022 Fragments of a "pandemic life" collected in prevention projects in outer city and school peripherical territories in São Paulo introduces this article. The impact of the loss of close people to COVID-19, the spread of false information about prevention ...
Vera Silvia Facciolla Paiva +1 more
doaj +1 more source
On integral Zariski decompositions of pseudoeffective divisors on algebraic surfaces [PDF]
, 2015 In this note we consider the problem of integrality of Zariski decompositions for pseudoeffective integral divisors on algebraic surfaces. We show that while sometimes integrality of Zariski decompositions forces all negative curves to be $(-1)$-curves ...
Harbourne, Brian +2 more
core +2 more sources
Topicality of John Paul II’s Pedagogical Message
The Person and the Challenges, 2012 The purpose of this study is to outline the sources and aspects of the time- surpassing topicality of the Pope’s vision of integral education apparent in his anthropological, permeated with faith, reflection on man.
Alina Rynio
doaj +3 more sources
Universally Balanced Combinatorial Optimization Games
Games, 2010 This article surveys studies on universally balanced properties of cooperative games defined in a succinct form. In particular, we focus on combinatorial optimization games in which the values to coalitions are defined through linear optimization ...
Xiaotie Deng, Gabrielle Demange
doaj +1 more source
Integrality of Open Instantons Numbers [PDF]
, 2003 We prove the integrality of the open instanton numbers in two examples of counting holomorphic disks on local Calabi-Yau threefolds: the resolved conifold and the degenerate $ \P \times \P $.
Grunberg, Daniel
core +1 more source
Psicologia & Sociedade, 2010 Este texto tem como objetivo analisar o conceito de produção de saúde, no campo da Saúde Coletiva, como o nó de uma rede de cuidados. Nó porque a produção de saúde costura a noção de sujeito na saúde com os cuidados na saúde em um campo de estranhamento.
Anita Guazzelli Bernardes +2 more
doaj +1 more source