| 1. |
- Dalmau, V., et al.
(author)
-
Towards a characterization of constant-factor approximable min CSPs
- 2015
-
In: Proceedings of the Annual ACM-SIAM Symposium on Discrete Algorithms. - Philadelphia, PA : Association for Computing Machinery. - 9781611973747 ; , s. 847-857
-
Conference paper (peer-reviewed)abstract
- We study the approximability of Minimum Constraint Satisfaction Problems (Min CSPs) with a fixed finite constraint language T on an arbitrary finite domain. The goal in such a problem is to minimize the number of unsatisfied constraints in a given instance of CSP (r). A recent result of Ene et al. says that, under the mild technical condition that T contains the equality relation, the basic LP relaxation is optimal for constant-factor approximation for Min CSP (r) unless the Unique Games Conjecture fails. Using the algebraic approach to the CSP, we introduce a new natural algebraic condition, stable probability distributions on symmetric polymorphisms of a constraint language, and show that the presence of such distributions on polymorphisms of each ar-ity is necessary and sufficient for the finiteness of the integrality gap for the basic LP relaxation of Min CSP (r). We also show how stable distributions on symmetric polymorphisms can in principle be used to round solutions of the basic LP relaxation, and how, for several examples that cover all previously known cases, this leads to efficient constant-factor approximation algorithms for Min CSPtT). Finally, we show that the absence of another condition, which is implied by stable distributions, leads to NP-hardness of constant-factor approximation.
|
|
| 2. |
- Kendler, Kenneth S., et al.
(author)
-
Within-Family Transmission of Alcohol Use Disorder in Parent-Offspring, Sibling, and Cousin Pairs : A Contagion Model
- 2020
-
In: The Journal of nervous and mental disease. - 0022-3018. ; 208:9, s. 637-645
-
Journal article (peer-reviewed)abstract
- To determine whether alcohol use disorder (AUD) is transmitted within families as predicted by contagion, we examined parent-offspring, siblings, and cousin pairs ascertained from Swedish registries with a primary case with AUD. Our outcome variable was AUD registration in at-risk secondary cases. In offspring, risks for AUD registration in the 3 years after a parental index registration residing in the same household, neighborhood, or municipality increased by 1.6%, -0.5%, and 0.3%, respectively. For siblings of sibling index cases, parallel results were 3.2%, 1.2%, and 0.3%. For cousins of cousin index cases, no excess risk was seen for those residing in the same neighborhood or municipality. In siblings, AUD transmission was stronger in same versus opposite sex pairs and from older to younger versus younger to older siblings. These results support the hypothesis that AUD is transmitted among close family relationships and over limited geographical distances by a temporally dynamic contagion model.
|
|
| 3. |
- Bry, Kristina, 1953, et al.
(author)
-
Gastric fluid cytokines are associated with chorioamnionitis and white blood cell counts in preterm infants.
- 2015
-
In: Acta Paediatrica, International Journal of Paediatrics. - : Wiley. - 0803-5253 .- 1651-2227. ; 104:6, s. 575-580
-
Journal article (peer-reviewed)abstract
- AimThe aim of this study was to determine whether the concentration of cytokines in the gastric fluid at birth was associated with chorioamnionitis or funisitis and with the white blood cell counts of very premature newborns.MethodsWe retrieved gastric fluid from 27 preterm infants with a gestational age of
|
|
| 4. |
- Birnbaum, Simon, 1977-
(author)
-
Religious faith and social justice : on Hägglund’s incompatibility thesis
- 2023
-
In: Politics, Religion & Ideology. - : Taylor & Francis. - 2156-7689 .- 2156-7697. ; 24:4, s. 586-607
-
Journal article (peer-reviewed)abstract
- Is religious faith necessarily a barrier to the achievement of a just society? In This Life, Martin Hägglund answers ‘yes’, defending a form of political atheism based on the claim that a wholehearted commitment to social justice presupposes the recognition of humans as altogether finite, mortal beings. Hägglund’s thorough contribution offers a useful entry point for exploring widely perceived—but seldom articulated—obstacles to more conciliatory approaches for seeking radical social change. In this article I unpack and reject what I call Hägglund’s incompatibility thesis on religious faith and social justice. I argue that it ultimately rests on false oppositions that present no insurmountable obstacles to firm coalitions for social activism across secular and religious worldviews. While Hägglund’s arguments raise relevant questions and challenges for some theological views, his global rejection of theistic faith from coalitions for social justice turns out to be (1) unnecessary, (2) illiberal, and (3) counterproductive. Considering the possibilities and hindrances for stable alliances for liberal equality across groups, I contend that political philosophy and social justice activism cannot afford to cut off or alienate theistic believers from egalitarian political struggles.
|
|
| 5. |
- Harris, Daniel X., et al.
(author)
-
Intra‐Asian Creativity in Hong Kong Education and Activism
- 2024
-
In: Journal of Creative Behavior. - 0022-0175. ; 0:0, s. 1-10
-
Journal article (peer-reviewed)abstract
- This essay draws on empirical research from two studies examining creativity, activism, and education in Hong Kong. We use a decolonizing and deimperializing approach to centering creativity as a lever for social change, and demonstrate the ways in which the specifics of culture, region, time, and place uniquely produce forms of creativity, as has long been documented by creativity scholars. We build upon Kuan-hsing Chen's Asia as Method: Toward Deimperialization (2010), applying it to creativity and the ways in which we can better attend to cultural and regional differences rather than adhere to universalizing “creative industries” or developmental psychological discourses. Here we are not interested in documenting “non-western” modes of creativity, in the ways this has sometimes been addressed as local craft or traditional cultural practices. Rather, we advance a theory of intra-Asian creativity (including Australia) with its own onto-epistemological legacies and innovations. We celebrate these formations as emergent from and imbricated with conceptual traditions such as Taoism and Western knowledge systems, rejecting binarized individualist “versus” collectivist approaches. The emerging field of critical creativity studies points to the ways in which decolonizing, deimperializing and collaborative research are reorienting our work toward benefit for all, rather than the (white) (western) few.
|
|
| 6. |
- Kyprianidis, Konstantinos, et al.
(author)
-
Assessment of Future Aero Engine Designs with Intercooled and Intercooled Recuperated Cores
- 2010
-
In: ASME TURBO EXPO 2010 Proceedings, ASME-GT-2010-22519. - 9780791843987 ; , s. 909-920
-
Conference paper (peer-reviewed)abstract
- Reduction in CO 2 emissions is strongly linked with the improvement of engine specific fuel consumption, as well as the reduction in engine nacelle drag and weight. Conventional turbofan designs, however, that reduce CO 2 emissions—such as increased overall pressure ratio designs—can increase the production of NO x emissions. In the present work, funded by the European Framework 6 collaborative project NEW Aero engine Core concepts (NEWAC), an aero-engine multidisciplinary design tool, Techno-economic, Environmental, and Risk Assessment for 2020 (TERA2020), has been utilized to study the potential benefits from introducing heat-exchanged cores in future turbofan engine designs. The tool comprises of various modules covering a wide range of disciplines: engine performance, engine aerodynamic and mechanical design, aircraft design and performance, emissions prediction and …
|
|
| 7. |
- Servais, Per, 1958-
(author)
-
Virtual Teams and Internationalisation of Small and Medium-Sized Enterprises
- 2023. - 1
-
In: Virtual Teams Across National Borders. - New York : Routledge. - 9781003398745 - 9781032496016 ; , s. 83-96
-
Book chapter (peer-reviewed)abstract
- Virtual teams can be traced back to the 1990s with the debauched development of communication technologies as well as the fast extension of the internet. Virtual teams possess unique features allowing them to combine cultural multiplicity, specific tasks, physical remoteness of team members, continuous distant communication, critical interdependence of tasks, leadership, cohesion, empowerment, confidence, virtuality, special trust creation and trust building. For a successful functioning of present-day organisations, they need to employ geographically dispersed labour force. Creating virtual teams functioning across national borders, organisations secure the most competent talent available world-wide. Employing the best available know-how, virtual teams apply the knowledge of experts from various cultures having diverse capabilities as well as varied perceptions on dealing with multiple organisational challenges from strategic perspectives. Compositions of virtual teams operating across national borders alter depending on types of industry, organisation, and organisational unit. International virtual teams functioning across national borders perform from practically everywhere all over the world if there is a secure and constant internet connection.
|
|
| 8. |
|
|
| 9. |
|
|
| 10. |
|
|
