Results 191 to 200 of about 1,240 (281)

The Hodge conjecture and the Tate conjecture for fermat varieties

open access: yesProceedings of the Japan Academy, Series A, Mathematical Sciences, 1979
openaire   +3 more sources

On integral Hodge classes on uniruled or Calabi-Yau threefolds

open access: yes, 2004
If X is a smooth projective complex threefold, the Hodge conjecture holds for degree 4 rational Hodge classes on X. Kollar gave examples where it does not hold for integral Hodge classes of degree 4, that is integral Hodge classes need not be classes of ...
Voisin, Claire
core  

Can prisons move people into better jobs? A look at correctional vocational training programs and sectoral employment outcomes

open access: yesCriminology, EarlyView.
Abstract Three‐quarters of US prisons offer vocational training programs, which aim to place trainees in middle‐skills jobs in specific occupational sectors post‐release. These middle‐skills jobs may more effectively reduce recidivism than the jobs that normally characterize the labor market experience of the formerly incarcerated, yet whether ...
Britte van Tiem
wiley   +1 more source

Some remarks about deformation theory and formality conjecture. [PDF]

open access: yesAnn Univ Ferrara Sez 7 Sci Mat
Chen H, Pertusi L, Zhao X.
europepmc   +1 more source

Corporate Carbon Management System Quality and Voluntary Carbon Assurance: The Moderating Effect of Institutional Setting

open access: yesAccounting &Finance, EarlyView.
ABSTRACT This study examines the relationship between voluntary carbon assurance (VCA) and carbon management system quality (CMSQ). Using a sample representing more than 40 countries over the period 2011–2018, we show empirically that firms with superior CMSQ tend to adopt VCA to show their commitment to a green transition to a decarbonised business ...
Jibriel Elsayih   +3 more
wiley   +1 more source

The exploitation of silver deposits in early medieval Europe: some documentary, economic and social problems

open access: yesArchaeometry, EarlyView.
Abstract Focusing on Southern Europe, this article sheds light on the mining landscape of the early Middle Ages. Based on the current state of historical and archaeological knowledge, the article raises a number of questions that can be extended to other European regions.
Nicolas Minvielle Larousse
wiley   +1 more source

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