Results 241 to 250 of about 9,681,538 (276)

Free Groups and Free Products of Groups

1991
In the preceding chapters we have introduced the fundamental group of a space and actually determined its structure in some of the simplest cases. In more complicated cases we need a larger vocabulary and a greater knowledge of group theory to describe its structure and actually to make use of its properties.
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Free Groups

2021
Tullio Ceccherini-Silberstein, Michele D’Adderio   +1 more
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Sexual health among adolescent and young adult cancer survivors: A scoping review from the Children's Oncology Group Adolescent and Young Adult Oncology Discipline Committee

Ca-A Cancer Journal for Clinicians, 2021
Brooke Cherven, Sharon L Bober, Kristin M Bingen   +2 more
exaly  

Immobilizing Low‐Cost Metal Nitrides in Electrochemically Reconstructed Platinum Group Metal (PGM)‐Free Oxy‐(Hydroxides) Surface for Exceptional OER Kinetics in Anion Exchange Membrane Water Electrolysis

Advanced Energy Materials, 2023
Youngkook Kwon
exaly  

Almost Free Groups

Proceedings of the London Mathematical Society, 1951
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Standardized protocols for evaluating platinum group metal-free oxygen reduction reaction electrocatalysts in polymer electrolyte fuel cells

Nature Catalysis, 2022
Luigi Osmieri, Hoon T Chung, David A Cullen   +2 more
exaly  

Residually Free Groups

Proceedings of the London Mathematical Society, 1967
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A Versatile Method for Kinetic Resolution of Protecting‐Group‐Free BINAMs and NOBINs through Chiral Phosphoric Acid Catalyzed Triazane Formation

Angewandte Chemie - International Edition, 2020
Xiaoyu Yang
exaly  

Establishing reactivity descriptors for platinum group metal (PGM)-free Fe–N–C catalysts for PEM fuel cells

Energy and Environmental Science, 2020
Mathias Primbs, Asad Mehmood, Pierre-Yves Blanchard   +2 more
exaly  

TORSION FREE GROUPS

1960
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