Results 181 to 190 of about 1,240 (281)

Insights from the Presidential Addresses to the Agricultural Economics Society

open access: yesJournal of Agricultural Economics, EarlyView.
ABSTRACT The Society's published presidential addresses have embraced a wide range of subject matter, reflecting a ‘road well travelled’ in agricultural economics. The areas covered include the development and use of data and statistics, lessons from history, sectoral analysis, land economics, international trade and international development.
David Blandford
wiley   +1 more source

On the hodge conjecture for unirational fourfolds

open access: yesIndagationes Mathematicae (Proceedings), 1977
openaire   +2 more sources

On Hodge polynomials for nonalgebraic complex manifolds. [PDF]

open access: yesProc Natl Acad Sci U S A
Katzarkov L   +3 more
europepmc   +1 more source

The transcription factor HBP1 promotes ferroptosis in tumor cells by regulating the UHRF1-CDO1 axis. [PDF]

open access: yesPLoS Biol, 2023
Yang R   +9 more
europepmc   +1 more source

Ant–aphid mutualism: the influence of Tapinoma ibericum (Hymenoptera: Formicidae) on Aphis gossypii (Hemiptera: Aphidae) control by commercial and spontaneous natural enemies

open access: yesInsect Science, EarlyView.
The mutualism between Tapinoma ibericum ants and Aphis gossypii disrupts the biological control exerted by Aphidius colemani in greenhouse peppers. Ant exclusion increased parasitism and the presence of most natural enemies, although Aphidoletes aphidimyza was more abundant with ants.
Jesús Foronda   +7 more
wiley   +1 more source

Suppression of pair beam instabilities in a laboratory analogue of blazar pair cascades. [PDF]

open access: yesProc Natl Acad Sci U S A
Arrowsmith CD   +30 more
europepmc   +1 more source

Reduced fertilization regimes could boost biocontrol service without reducing crop yield

open access: yesInsect Science, EarlyView.
Fertilization level influences pest control effectiveness in tomato crops. High fertilization increases plant growth and aphid density but reduces the performance of the parasitoid Aphidius ervi. In contrast, the predator Adalia bipunctata maintains consistent aphid suppression regardless of fertilization regime.
Ruohan Ma   +5 more
wiley   +1 more source

The Hodge Conjecture Resolved

open access: yes
The Hodge Conjecture has remained open for 75 years with zero substantial progress for $p \geq 2$. We argue this is not due to technical difficulty, but to a fundamental flaw in the formulation: classical Hodge theory assumes a $C^\infty$-smooth Riemannian metric as an axiomatic starting point, without physical or geometric justification. We prove that
openaire   +3 more sources

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