Results 61 to 70 of about 415 (122)

On seven-dimensional quaternionic contact solvable Lie groups

open access: yes, 2014
We answer in the affirmative a question posed by Ivanov and Vassilev on the existence of a seven-dimensional quaternionic contact manifold with closed fundamental 4-form and non-vanishing torsion endomorphism.
Santisteban, J.   +2 more
core   +1 more source

On Compact Just-Non-Lie Groups

open access: yes, 2007
A compact group is called a compact Just-Non-Lie group or a compact JNL group if it is not a Lie group but all of its proper Hausdorff quotient groups are Lie groups.
RUSSO F
core   +2 more sources

Continuous Families of Quasi-Regular Representations of Solvable Lie Groups

open access: yes, 1995
We generalize a result about two-step nilpotent Lie groups by Carolyn Gordon and He Ouyang: Let {Γt}t ≥ 0 be a continuous family of uniform discrete subgroups of a simply connected Lie group G such that the quasi-regular representations of G on L2(Γt\G ...
Schueth, D.
core   +1 more source

Controllability of discrete-time linear systems on solvable Lie groups [PDF]

open access: yes
The objective of this paper is to study the controllability of discrete-time linear control systems in solvable Lie groups. In the special case of nilpotent Lie groups, a necessary and sufficient condition for controllability is established. Furthermore,
Santana, Alexandre   +3 more
core   +1 more source

Quantitative geometry. [PDF]

open access: yesProc Natl Acad Sci U S A, 2013
Naor A.
europepmc   +1 more source

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