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Ancient Human Dna In Sub-Saharan Africa Lifts Veil On Prehistory（图）
Ancient Human Dna Sub-Saharan Africa Lifts Veil Prehistory
2017/10/24
The first large-scale study of ancient human DNA from sub-Saharan Africa opens a long-awaited window into the identity of prehistoric populations in the region and how they moved around and replaced o...
Let f and g, of weights k′ > k 2, be normalised newforms for Γ0(N), for square-free N > 1, such that, for each Atkin-Lehner involution,the eigenvalues of f and g are equal.
The spectrum of random lifts
spectrum random lifts
2011/2/22
For a fixed d-regular graph H, a random n-lift is obtained by replacing each vertex v of H by a “fibre” containing n vertices, then placing a uniformly random matching between fibres corresponding to ...
Jets, Lifts and Dynamics
Jets Lifts Dynamics
2010/11/9
We show that complete cotangent lifts of vector fields, their decomposition into vertical representative and holonomic part provide a geometrical framework underlying Eulerian equations of continuum ...
On Lifts of Paracomplex Structures
Paracomplex structure paracomplex manifold vertical lift complete lift horizontal lift integrability
2010/2/26
In this paper, we obtain vertical, complete and horizontal lifts of paracomplex geometric structures on paracomplex manifolds to its tangent bundle. Also, we obtain integrability on paracomplex tangen...
Applications of the Tachibana Operator on Problems of Lifts
Tensor bundle affinor complete lift pure cross-section Tachibana operator
2010/3/1
The purpose of the present paper is to study, using the Tachibana operator, the complete lifts of affinor structures along a pure cross-section of the tensor bundle and to investigate their transfers....
Lifts of Derivations to the Semitangent Bundle
Vector Field Derivation Complete lift Semitangent bundle
2010/3/1
The main purpose of this paper is to investigate the complete lifts of derivations for semitangent bundle and to discuss relations between these and lifts already known.
The main purpose of this paper is to investigate, using the Tachibana operator, transfer of the complete lifts of affinor structures along the cross-sections of the tangent and cotangent bundles.