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16 papers · 1 filter
The length of the shortest closed geodesics on a positively curved manifold
Yoe Itokawa, Ryoichi Kobayashi
We give a metric characterization of the Euclidean sphere in terms of the lower bound of the sectional curvature and the length of the shortest closed geodesics.
A variant of the induction theorem for Springer representations
Toshiaki Shoji
Let G be a simple algebraic group over C with the Weyl group W. For a unipotent element u of G, let B_u be the variety of Borel subgroups of G containing u. Let L be a Levi subgrou…
Algebraic cycles and motivic generic iterated integrals
Hidekazu Furusho, Amir Jafari
Following the work of Gangl, Goncharov and Levin in [GGL], we will give a combinatorial framework for motivic study of iterated integrals on the affine line. We will show that unde…
Pion Velocity near the Chiral Phase Transition Point in the Vector Manifestation
Masayasu Harada, Mannque Rho, Chihiro Sasaki
We study the pion velocity near the critical temperature of chiral symmetry restoration in QCD. Using chiral perturbation theory based on hidden local symmetry (HLS) as an ef…
Diffractive -meson photoproduction on proton near threshold
T. Mibe, W. C. Chang, T. Nakano +52
Photoproduction of -meson on protons was studied by means of linearly polarized photons at forward angles in the low-energy region from threshold to = 2.37 GeV. The differe…
Saturated Ferromagnetism from Statistical Transmutation in Two Dimensions
Yasuhiro Saiga, Masaki Oshikawa
The total spin of the ground state is calculated in the U -> infinity Hubbard model with uniform magnetic flux perpendicular to a square lattice, in the absence of Zeeman coupling.…