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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Rooted trees, Hopf algebras and rough paths
有根树 Hopf代数 粗路径
2023/11/15
In this talk, we first recall some classical Hopf algebras on rooted trees, including Connes-Kreimer Hopf algebra and Loday-Ronco Hopf algebra. Then we give a combinatorial description of the coproduc...
Chasing carbon from trees to soils（图）
树木 土壤 碳追踪
2023/5/22
“Tuck your pants into your socks – the ticks can be really bad out here,” graduate student Dave Frey tells the group of four students as they embark from their cars.
Fuel from fiber: Pretreatment can put corn stalks, trees in your car’s tank
chemical engineering materials science Fuel
2007/5/9
May 8, 2007，But thanks to research done in part by Bruce Dale, Michigan State University professor of chemical engineering and materials science, making fuels from poplar trees and corn stalks is beco...
BLACKSBURG, Va., April 27, 2007 -- Professor Jeff Kirwan will be the keynote speaker at Marion, Virginia’s Arbor Day celebration, on Monday, April 30. In his remarks, Kirwan, a forestry professor and ...
9-Apr-2007,LIVERMORE, Calif. ?How effective are new trees in offsetting the carbon footprint? A new study suggests that the location of the new trees is an important factor when considering such carbo...