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  1. No Access

    Article

    An interior Newton method for quadratic programming

    We propose a new (interior) approach for the general quadratic programming problem. We establish that the new method has strong convergence properties: the generated sequence converges globally to a point sati...

    Thomas F. Coleman, Jianguo Liu in Mathematical Programming (1999)

  2. No Access

    Article

    Changes in Human Population Structure: Implications for Biodiversity Conservation

    Human population size and growth have been recognized as important factors affecting biodiversity, but the impacts of population structural changes on biodiversity are not clear. In this paper, we made the fir...

    Jianguo Liu, Zhiyun Ouyang, Yingchun Tan, Jian Yang… in Population and Environment (1999)

  3. No Access

    Article

    Changes in human population structure: Implications for biodiversity conservation

    Human population size and growth have been recognized as important factors affecting biodiversity, but the impacts of population structural changes on biodiversity are not clear. In this paper, we made the fir...

    Jianguo Liu, Zhiyun Ouyang, Yingchun Tan, Jian Yang… in Population and Environment (1999)

  4. No Access

    Article

    An Exterior Newton Method for Strictly Convex Quadratic Programming

    We propose an exterior Newton method for strictly convex quadratic programming (QP) problems. This method is based on a dual formulation: a sequence of points is generated which monotonically decreases the dua...

    Thomas F. Coleman, Jianguo Liu in Computational Optimization and Applications (2000)

  5. No Access

    Article

    A Quasi-Newton Quadratic Penalty Method for Minimization Subject to Nonlinear Equality Constraints

    We present a modified quadratic penalty function method for equality constrained optimization problems. The pivotal feature of our algorithm is that at every iterate we invoke a special change of variables to ...

    Thomas F. Coleman, Jianguo Liu, Wei Yuan in Computational Optimization and Applications (2000)

  6. No Access

    Chapter

    Individual-Based Modeling

    John B. Dunning Jr., David J. Stewart, Jianguo Liu in Learning Landscape Ecology (2002)

  7. No Access

    Article

    A New Trust-Region Algorithm for Equality Constrained Optimization

    We present a new trust-region algorithm for solving nonlinear equality constrained optimization problems. Quadratic penalty functions are employed to obtain global convergence. At each iteration a local change...

    Thomas F. Coleman, Jianguo Liu, Wei Yuan in Computational Optimization and Applications (2002)

  8. No Access

    Article

    Some Roots of Terrorism

    Although various hypotheses about the causes of terrorism have been proposed, a number of important factors have been largely ignored. Geopolitics, especially rich-world attempts to control oil, help incite te...

    Paul R. Ehrlich, Jianguo Liu in Population and Environment (2002)

  9. No Access

    Article

    Transient expression of lacZ in bombarded unicellular green alga Haematococcus pluvialis

    This paper reports for the first time the transient expression of areporter gene, LacZ, in the unicellular green alga Haematococcuspluvialis. By employing the micro-particle bombardment method,motilecells in the ...

    Changying Teng, Song Qin, Jianguo Liu, Daozhan Yu… in Journal of Applied Phycology (2002)

  10. No Access

    Article

    Effects of household dynamics on resource consumption and biodiversity

    Human population size and growth rate are often considered important drivers of biodiversity loss1,2,3,4,5,6, whereas household dynamics are usually neglected. Aggregate demographic statistics may mask substantia...

    Jianguo Liu, Gretchen C. Daily, Paul R. Ehrlich, Gary W. Luck in Nature (2003)

  11. No Access

    Chapter and Conference Paper

    Ammunition Supply Decision-Making System Design Based on Fuzzy Control

    This paper puts forward radical thoughts and goal of designing the assistant decision-making system based on FUZZY control for ammunition supply and the whole structural function of the system by applying radi...

    Deyong Zhao, **nfeng Wang, Jianguo Liu in Rough Sets, Fuzzy Sets, Data Mining, and G… (2003)

  12. No Access

    Chapter

    Human Impacts on land Cover and Panda Habitat in Wolong Nature Reserve

    Understanding patterns, processes, and consequences of land-cover change requires close linkages among various ecological, socioeconomic, demographic, and behavioral data. In this chapter, we present an interd...

    Jianguo Liu, Li An, Sandra S. Batie, Richard E. Groop… in People and the Environment (2003)

  13. No Access

    Article

    Book review, Holistic: The Evolution of the Georgia Institute of Ecology

    Jianguo Liu in Landscape Ecology (2003)

  14. No Access

    Article

    Adolescents Leaving Parental Home: Psychosocial Correlates and Implications for Conservation

    To disclose the interplay between psychosocial antecedents of adolescents' decisions to leave their parental home in an ecologically sensitive region, we used structural equation modeling to analyze data from ...

    Li An, Angela G. Mertig, Jianguo Liu in Population and Environment (2003)

  15. No Access

    Article

    Assessing Landowner Activities Related to Birds Across Rural-to-Urban Landscapes

    Fluctuations of bird abundances in the Midwest region of the United States have been attributed to such factors as landscape change, habitat fragmentation, depredation, and supplemental feeding. However, no at...

    Christopher A. Lepczyk, Angela G. Mertig, Jianguo Liu in Environmental Management (2004)

  16. No Access

    Article

    Intercomparison of NO x , SO2, O3, and aromatic hydrocarbons measured by a commercial DOAS system and traditional point monitoring techniques

    A field-based intercomparison study of a commercial Differential Optical Absorption Spectroscopy (DOAS) instrument (OPSIS AB, Sweden) and different point-sample monitoring techniques (PM, based on an air monit...

    Pinhua **e, Wenqing Liu, Qiang Fu, Ruibin Wang… in Advances in Atmospheric Sciences (2004)

  17. Article

    China's environment in a globalizing world

    How China and the rest of the world affect each other.

    Jianguo Liu, Jared Diamond in Nature (2005)

    Download PDF (1665 KB) View Article

  18. No Access

    Chapter

    Linking Land-Change Science and Policy: Current Lessons and Future Integration

    Human use of the land and oceans is at the center of some of the most complicated and pressing problems faced by policy makers around the world today (e.g., DeFries et al. 2004b; Platt 2004; Millennium Ecosyst...

    Robin S. Reid, Thomas P. Tomich, Jianchu Xu, Helmut Geist… in Land-Use and Land-Cover Change (2006)

  19. No Access

    Chapter

    Impacts of demographic and socioeconomic factors on spatio-temporal dynamics of panda habitat

    Demographic and socioeconomic factors of individual people and households may have significant impacts on their environment, which in turn may affect the spatio-temporal dynamics of wildlife habitat and local ...

    Li An, Guangming He, Zai Liang, Jianguo Liu in Human Exploitation and Biodiversity Conser… (2006)

  20. No Access

    Article

    Geochemical modeling of leaching behavior of heavy metals in municipal solid waste incinerator fly ashes

    Jianguo Liu, Feng Liu, Peng Zheng, Yongfeng Nie in Chinese Journal of Geochemistry (2006)

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