97,159 research outputs found

    WP 96 - An overview of women's work and employment in Belarus

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    *Management Summary* This report provides information on Belarus on behalf of the implementation of the DECISIONS FOR LIFE project in that country. The DECISIONS FOR LIFE project aims to raise awareness amongst young female workers about their employment opportunities and career possibilities, family building and the work-family balance. This report is part of the Inventories, to be made by the University of Amsterdam, for all 14 countries involved. It focuses on a gender analysis of work and employment. History (2.1.1). Belarus, severely hit by the German occupation, after the second 1945 emerged as emerged as one of the major manufacturing centres of the Soviet. It suffered heavily from the Chernobyl disaster. After the collapse of the Soviet Union, from 1994 on under president Lukashenko the country kept a command economy, though central planning disappeared. Its growth rates have been considerably throughout the 2000s, though the economy continues to be dependent on heavy discounts in oil and natural gas prices from Russia. Governance (2.1.2). Belarus is a republic with power concentrated in the presidency. The government’s human rights record remains very poor. The judiciary is not independent. Corruption continued to be a problem. Authorities harassed independent trade unions and dismissed their members. Women’s participation in politics and governance is low, except for the Chamber of Representatives. The law protects women well within the family context and protects the physical integrity of women to a relatively high degree. Prospects (2.1.3). Belarus’s economy has been moderately hit by the global economic crisis. The government had to accept loans from the IMF, Russia and China. It undertook some steps to open up the country for foreign investors. In 2009, the country’s GDP fell slightly and real wages by 1 to 5%. Energy-intensive and inefficient production may become the largest hindrance for recovery. Communication (2.2). The coverage of fixed telephone connections has recently increased, but coverage of cellular telephone connections is with over 0.9 cell phones per inhabitant much higher. By 2008, the share Internet users was with 321 per 1,000 of the population rather high, but the government is growingly restricting access to the Internet. Nearly all households have a TV set. The government censored the media and repeatedly harassed and arrested independent journalists The sectoral labour market structure (2.3.1). The sectoral labour market structure is difficult to trace. State employees constitute about 80% of the working population. With nearly 68%, women’s Labour Participation Rate (LPR) in 2008 was 91% of men’s. Official unemployment is low and decreasing, in particular for women. Since 1995, considerable wage increases have been allowed in Belarus, largely outpacing increases in labour productivity. Legislation (2.4.1). Belarus has ratified the eight core ILO Labour Conventions. Yet, the Trade Union Law 2000 and presidential decrees contain serious violations of trade union rights. Specific regulations and benefits for women, including maternity benefits and paid leave on childcare, are comparatively good. Labour relations and wage-setting (2.4.2). The independent trade union movement in Belarus is small. The law provides for the right to organize and bargain collectively; however, government authorities and managers of state-owned enterprises routinely interfered with union activities. ILO recommendations to improve the situation are not acted upon. The statutory minimum wage (2.5.1). In December 2009 the monthly minimum wage, set by law, was BYR 229,700, or 23% of the country’s average monthly wage. Inequality and poverty (2.5.2). Directly after independence, inequality and poverty started to increase, but since 2000 the share under the official poverty line fell rapidly till 6% in 2007. However, this poverty line is set quite low, and depending on other yardsticks poverty in 2007 is estimated at 13 to 43%. Income inequality developed simultaneously with poverty, and is currently at low-to-medium level in international perspective. Population and fertility (2.6.1). Since the 1980s Belarus is in a demographic crisis, with reduced fertility rates and high death. Between 1999 and 2009 the population decreased by over 6%. The total fertility rate, less than 1.3 children per woman, is quite low; the adolescent fertility rate is with 22 per 1,000 low. Health (2.6.2). In 2007 there were an estimated 13,000 persons with HIV/AIDS in Belarus, which is below the regional level. The levels of public awareness of HIV/AIDS seem rather low. The life expectancy at birth for women is recently increasing. The Belarusian health care system aims to provide the entire population with universal access to care and health care benefits are extensive. Women’s labour market share (2.6.3). Women make up half of the country’s labour force. In 2009 women made up majorities in wholesale and retail, restaurants and hotels, education, and public administration et cetera, and in the occupational groups professionals and clerks. At the level of legislators, senior officials and managers, the female share of 45% is high in international perspective. Literacy (2.7.1). The adult literacy rate –-those age 15 and over that can read and write—in 1999-2006 was 98.9%, with hardly a gender gap: 99.0% for men and 98.8% for women. In 2007 the literacy rate for 15-24-year-olds stood at 99.8% for females and 99.7% for males. Education of girls (2.7.2). In 2006, the combined gross enrollment rate in education was nearly 100%, divided in 99% for females and 100% for males. Net enrollment in primary education was for 2005 set at 87.9% for girls and 90.8% for boys. In 2007 women to men parity in secondary education was 102%. With 45% gross enrollment in tertiary education in 2007 and women to men parity reaching 141%, women’s participation at this level of education is high. Female skill levels (2.7.3). Women in the employed population have on average a slightly higher educational level than their male colleagues. More women employed are educated at tertiary level, with women to parity at 118%. We estimate the current size of the target group of DECISIONS FOR LIFE for Ukraine at about 95,000 girls and young women 15-29 of age working in urban areas in (the Belarusian equivalent of) commercial services. Wages (2.8.1). We found for 2008 a considerable gender pay gap, totaling 25%. The pay gap seems to have grown in particular between 1996 and 2004. Women in Belarus have profited considerably less than men from their better education. Moreover, horizontal segregation has taken place with women leaving well-paid sub-sectors of manufacturing like the ICT sector , while many of them entered low-wage jobs like in education and health. The “glass ceiling“ obviously widely remains in place. Working conditions (2.8.2). Especially men in heavy manufacturing still seem often exposed to bad health and safety conditions, though the incidence of reported occupational injuries and casualities is rapidly decreasing. Unfortunately, working hours cannot be detailed by industry and gender.

    The Halo and Rings of the Planetary Nebula NGC 40 in the Mid-Infrared

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    We present imaging and spectroscopy of NGC 40 acquired using the Spitzer Space Telescope (Spitzer), and the Infrared Space observatory (ISO). These are used to investigate the nature of emission from the central nebular shell, from the nebular halo, and from the associated circumnebular rings. It is pointed out that a variety of mechanisms may contribute to the mid-infrared (MIR) fluxes, and there is evidence for a cool dust continuum, strong ionic transitions, and appreciable emission by polycyclic aromatic hydrocarbons (PAHs). Prior observations at shorter wavelengths also indicate the presence of warmer grains, and the possible contribution of H2 transitions. It is suggested that an apparent jet-like structure to the NE of the halo represents one of the many emission spokes that permeate the shell. The spokes are likely to be caused by the percolation of UV photons through a clumpy interior shell, whilst the jet-like feature is enhanced due to locally elevated electron densities; a result of interaction between NGC 40 and the interstellar medium. It is finally noted that the presence of the PAH, 21 microns and 30 microns spectral features testifies to appreciable C/O ratios within the main nebular shell. Such a result is consistent with abundance determinations using collisionally excited lines, but not with those determined using optical recombination linesComment: 13 pages, 8 figures, Accepted for publication in MNRAS. 37 pages in arXi

    Modeling of Decision Trees Through P systems

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    [EN] In this paper, we propose a decision-tree modeling in the framework of membrane computing. We propose an algorithm to obtain a P system that is equivalent to any decision tree taken as input. In our case, and unlike previous proposals, we formulate the concepts of decision trees endogenously, since there is no external agent involved in the modeling. The tree structure can be defined naturally by the topology of the regions in the P system and the decision rules are defined by communication rules of the P system.Sempere Luna, JM. (2019). Modeling of Decision Trees Through P systems. New Generation Computing. 37(3):325-337. https://doi.org/10.1007/s00354-019-00052-4325337373Breiman, L., Friedman, J., Olshen, R., Stone, C.: Classification and Regression Trees. Chapman & Hall, Boca Raton (1984)Cardona, M., Colomer, M.A., Margalida, A., Palau, A., PĂ©rez-Hurtado, I., PĂ©rez-JimĂ©nez, M.J., Sanuy, D.: A computational modeling for real ecosystems based on P systems. Nat. Comput. 10(1), 39–53 (2011)Cecilia, J.M., GarcĂ­a, J.M., Guerrero, G.D., MartĂ­nez-del-Amor, M.A., PĂ©rez-Hurtado, I., PĂ©rez-JimĂ©nez, M.J.: Simulation of P systems with active membranes on CUDA. Brief. Bioinform. 11(3), 313–322 (2010)DĂ­az-Pernil, D., Peña-Cantillana, F., GutiĂ©rrez-Naranjo, M.A.: Self-constructing Recognizer P Systems. In: Proceedings of the Thirteenth Brainstorming Week on Membrane Computing. FĂ©nix Editora, pp. 137–154 (2014)Fayyad, U.M., Irani, K.B.: On the handling of continuous-valued attributes in decision tree generation. Mach. Learn. 8, 87–102 (1992)Kingsford, C., Salzberg, S.L.: What are decision trees ? Nat. Biotechnol. 26(9), 1011–1013 (2008)MartĂ­n-Vide, C., Păun, Gh, Pazos, J., RodrĂ­guez-PatĂłn, A.: Tissue P systems. Theor. Comput. Sci. 296, 295–326 (2003)MartĂ­nez-del-Amor, M.A., GarcĂ­a-Quismondo, M., MacĂ­as-Ramos, L.F., Valencia-Cabrera, L., Riscos-NĂșñez, A., PĂ©rez-JimĂ©nez, M.J.: Simulating P systems on GPU devices: a survey. Fund. Inf. 136(3), 269–284 (2015)Mitchell, T.: Machine Learning. McGraw-Hill, New York City (1997)Păun, Gh: Membrane Computing, An Introduction. Springer, Berlin (2002)Păun, Gh, Rozenberg, G., Salomaa, A. (eds.): The Oxford Handbook of Membrane Computing. Oxford University Press, Oxford (2010)Quinlan, J.R.: C4.5: Programs for Machine Learning. Morgan Kaufmann, Burlington (1993)Sempere, J.M.: A View of P systems from information theory. In: Proceedings of the 17th international conference on membrane computing (CMC 2016) LNCS vol. 10105. Springer, pp. 352–362 (2017)Sammut, C., Webb, G.I. (eds.): Encyclopedia of Machine Learning. Springer, Berlin (2011)Wang, J., Hu, J., Peng, H., PĂ©rez-JimĂ©nez, M.J., Riscos-NĂșñez, A.: Decision tree models induced by membrane systems. Rom. J. Inf. Sci. Technol. 18(3), 228–239 (2015)Zhang, C., Ma, Y. (eds.): Ensemble Machine Learning, Methods and Applications. Springer, Berlin (2012)Zhang, X., Wang, B., Ding, Z., Tang, J., He, J.: Implementation of membrane algorithms on GPU. J. Appl. Math. 2014, 7 (2014

    Immigration and early life stages recruitment of the European flounder (Platichthys flesus) to an estuarine nursery: the influence of environmental factors

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    Connectivity between coastal spawning grounds and estuarine nurseries is a critical step in the life cycle of many fish species. Larval immigration and transport-associated physical–biological processes are determinants of recruitment success to nursery areas. The recruitment of the European flounder, Platichthys flesus, to estuarine nurseries located at the southern edge of the species distribution range, has been usually investigated during its juvenile stages, while estuarine recruitment during the earlier planktonic life stage remains largely unstudied. The present study investigated the patterns of flounder larval recruitment and the influence of environmental factors on the immigration of the early life stages to the Lima estuary (NW Portugal), integrating data on fish larvae and post-settlement individuals (< 50 mm length), collected over 7 years. Late-stage larvae arrived at the estuary between February and July and peak abundances were observed in April. Post-settlement individuals (< 50 mm) occurred later between April and October, whereas newly-settled ones (< 20 mm) were found only in May and June. Variables associated with the spawning, survival and growth of larvae in the ocean (sea surface temperature, chlorophyll a and inland hydrological variables) were the major drivers of flounder occurrence in the estuarine nursery. Although the adjacent coastal area is characterized by a current system with strong seasonality and mesoscale variability, we did not identify any influence of variables related with physical processes (currents and upwelling) on the occurrence of early life stages in the estuary. A wider knowledge on the influence of the coastal circulation variability and its associated effects upon ocean-estuarine connectivity is required to improve our understanding of the population dynamics of marine spawning fish that use estuarine nurseries

    Near-infrared spectra of Seyfert galaxies and line production mechanisms

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    New observations are reported of J-band spectra (1.04micron -- 1.4 micron) of three Seyfert 2 galaxies, Mkn 34, Mkn 78 and NGC 5929. In each case the spectral range includes the near-infrared lines of [FeII], [PII], HeI and Pa beta. Each Seyfert galaxy has a known radio jet, and we investigate the infrared line ratios of the nuclear and extended regions of each galaxy compared to the radio structure. In Mkn 34 there is a clear indication of an extranuclear region, probably coincident with a shock induced by the radio jet, in which [FeII] is considerably enhanced, although the nuclear emission is almost certainly the result of photoionization by the continuum of the active nucleus. Similar effects in extranuclear regions are seen in the other objects, in the case of Mkn 78 confirming recent studies by Ramos Almeida et al. A possible detection of extranuclear [PII] emission suggests, if real, that photoionization by the active nucleus is the dominant line excitation mechanism over the whole source, including the regions coincident with the radio jet.Comment: 8 pages, 9 figures. Accepted by MNRA

    Chiral unitary theory: application to nuclear problems

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    In this talk we briefly describe some basic elements of chiral perturbation theory, χPT\chi PT, and how the implementation of unitarity and other novel elements lead to a better expansion of the TT matrix for meson meson and meson baryon interactions. Applications are then done to the ππ \pi \pi interaction in nuclear matter in the scalar and vector channels, antikaons in nuclei and K−K^- atoms, and how the ϕ\phi meson properties are changed in a nuclear medium.Comment: 15 pages, 9 figures, Invited talk in the International Symposium on Nuclear Physics, Bombay, december 200

    Mid-Infrared Observations of Planetary Nebulae detected in the GLIMPSE 3D Survey

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    We present mapping, profiles and photometry for 24 planetary nebulae (PNe) detected in the GLIMPSE 3D mid-infrared (MIR) survey of the Galactic plane. The PNe show many of the properties observed in previous studies of these sources, including evidence for longer wave emission from outside of the ionised zones, a likely consequence of emission from polycyclic aromatic hydrocarbons (PAHs) within the nebular photo-dissociation regimes (PDRs). We also note variations in 5.8/4.5 and 8.0/4.5 microns flux ratios with distance from the nuclei; present evidence for enhanced MIR emission in the halos of the sources; and note evidence for variations in colour with nebular evolution.Comment: 35 pages, 28 figures, Accepted for publication in Revista Mexicana de Astronomia y Astrofisica (RevMexAA). 61 pages in arXi

    Tectonic overview of the West Gondwana margin

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    The oceanic southern margin of Gondwana, from southern South America through South Africa, West Antarctica, New Zealand (in its pre break-up position), and Victoria Land to Eastern Australia is one of the longest and longest-lived active continental margins known. It was the site of the 18,000 km Terra Australis orogen, which was initiated in Neoproterozoic times with the break-up of Rodinia, and evolved into the Mesozoic Australides. The Gondwana margin was completed, in Late Cambrian times, by closure of the Adamastor Ocean (between Brazilian and southwest African components) and the Mozambique Ocean (between East and West Gondwana), forming the Brasiliano-Pan-African mobile belts. During the Early Palaeozoic much of the southern margin was dominated by successive episodes of subduction-accretion. Eastern Australia, Northern Victoria Land and the Transantarctic Mountains were affected by one of the first of these events – the Late Cambrian Ross/Delamerian orogeny, remnants of which may be found in the Antarctic Peninsula – but also contain two accreted terranes of unknown age and origin. Similar events are recognized at the South American end of the margin, where the Cambrian Pampean orogeny occurred with dextral strike-slip along the western edge of the Río de la Plata craton, followed by an Ordovician active margin (Famatinian) associated with the collision of the Precordillera terrane. However, the central part of the margin (the Sierra de la Ventana of eastern Argentina, the Cape Fold Belt of South Africa and the Ellsworth Mountains of West Antarctica) seem to represent a passive margin during the Early Palaeozoic, with the accumulation of predominantly reworked continental sedimentary deposits (Du Toit's ‘Samfrau Geosyncline’). In many of the outer areas, accretion and intense granitic/rhyolitic magmatism continued during the Late Palaeozoic, with collision of several small continental terranes, many of which are nevertheless of Gondwana origin: e.g., southern Patagonia and (possibly) ‘Chilenia’ in the South American–South African sectors, and the Western Province and Median Batholith terranes of New Zealand. The rhyolitic Permo–Triassic LIP of southern South America represents a Permo-Triassic switch to extensional tectonics, which continued into the Early Jurassic, and was followed by the establishment of the Andean subduction margin. Elsewhere at this time the margin largely became passive, with terrane accretion continuing in New Zealand. In the Mesozoic, the Terra Australis Orogen evolved into the accretionary Australides, with episodic orogenesis in the New Zealand, West Antarctic and South American sectors in Late Triassic–Early Jurassic and mid-Cretaceous times, even as Gondwana was breaking up

    Starburst radio galaxies: general properties, evolutionary histories and triggering

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    In this paper we discuss the results of a programme of spectral synthesis modelling of a sample of starburst radio galaxies in the context of scenarios for the triggering of the activity and the evolution of the host galaxies. The starburst radio galaxies -- comprising ~15 - 25% of all powerful extragalactic radio sources -- frequently show disturbed morphologies at optical wavelengths, and unusual radio structures, although their stellar masses are typical of radio galaxies as a class. In terms of the characteristic ages of their young stellar populations (YSP), the objects can be divided into two groups: those with YSP ages t_ysp < 0.1 Gyr, in which the radio source has been triggered quasi-simultaneously with the main starburst episode, and those with older YSP in which the radio source has been triggered or re-triggered a significant period after the starburst episode. Combining the information on the YSP with that on the optical morphologies of the host galaxies, we deduce that the majority of the starburst radio galaxies have been triggered in galaxy mergers in which at least one of the galaxies is gas rich. However, the triggering (or re-triggering) of the radio jets can occur immediately before, around, or a significant period after the final coalescence of the merging nuclei, reflecting the complex gas infall histories of the merger events. Overall, our results provide further evidence that powerful radio jet activity can be triggered via a variety of mechanisms, including different evolutionary stages of major galaxy mergers; clearly radio-loud AGN activity is not solely associated with a particular stage of a unique type of gas accretion event.Comment: 16 pages, 3 Figures, accepted for publication in MNRA
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