Circle-valued Morse theory for complex hyperplane arrangements

Kavli Affiliate: Toshitake Kohno | First 5 Authors: Toshitake Kohno, Andrei Pajitnov, , , | Summary: Let A be an essential complex hyperplane arrangement in an n-dimensional complex vector space V. Let H denote the union of the hyperplanes, and M denote the complement to H in V. We develop the real-valued and circle-valued Morse […]


Continue.. Circle-valued Morse theory for complex hyperplane arrangements

Probing dark energy and neutrino mass from upcoming lensing experiments of CMB and galaxies

Kavli Affiliate: Toshiya Namikawa | First 5 Authors: Toshiya Namikawa, Shun Saito, Atsushi Taruya, , | Summary: We discuss the synergy of the cosmic shear and CMB lensing experiments to simultaneously constrain the neutrino mass and dark energy properties. Taking fully account of the CMB lensing, cosmic shear, CMB anisotropies, and their cross correlation signals, […]


Continue.. Probing dark energy and neutrino mass from upcoming lensing experiments of CMB and galaxies

Summary of the J-PARC UCN Taskforce

Kavli Affiliate: Tomiyoshi Haruyama | First 5 Authors: The J-Parc Ucn Taskforce, :, Tomokazu Aso, Masatoshi Futakawa, Tomiyoshi Haruyama | Summary: Discussions in the taskforce meetings in the period of Jan.-Mar. 2009 on the technical possibility of the ultracold neutron (UCN) source at the Japan Proton Accelerator Research Complex (J-PARC) is summarized. | Search Query: […]


Continue.. Summary of the J-PARC UCN Taskforce

Conduction Effect of Thermal Radiation in a Metal Shield Pipe in a Cryostat for a Cryogenic Interferometric Gravitational Wave Detector

Kavli Affiliate: Tomiyoshi Haruyama | First 5 Authors: Takayuki Tomaru, Masao Tokunari, Kazuaki Kuroda, Takashi Uchiyama, Akira Okutomi | Summary: A large heat load caused by thermal radiation through a metal shield pipe was observed in a cooling test of a cryostat for a prototype of a cryogenic interferometric gravitational wave detector. The heat load […]


Continue.. Conduction Effect of Thermal Radiation in a Metal Shield Pipe in a Cryostat for a Cryogenic Interferometric Gravitational Wave Detector

Equivariant orbifold structures on the projective line and integrable hierarchies

Kavli Affiliate: Todor E. Milanov | First 5 Authors: Todor E. Milanov, Hsian-Hua Tseng, , , | Summary: Let $CP^1_{k,m}$ be the orbifold structure on $CP^1$ obtained via uniformizing the neighborhoods of 0 and $infty$ respectively by $zmapsto z^k$ and $wmapsto w^m.$ The diagonal action of the torus on the projective line induces naturally an […]


Continue.. Equivariant orbifold structures on the projective line and integrable hierarchies

The spaces of Laurent polynomials, $mathbb{P}^1$-orbifolds, and integrable hierarchies

Kavli Affiliate: Todor E. Milanov | First 5 Authors: Todor E. Milanov, Hsian-Hua Tseng, , , | Summary: Let $M_{k,m}$ be the space of Laurent polynomials in one variable $x^k + t_1 x^{k-1}+… t_{k+m}x^{-m},$ where $k,mgeq 1$ are fixed integers and $t_{k+m}neq 0$. According to B. Dubrovin cite{D}, $M_{k,m}$ can be equipped with a semi-simple […]


Continue.. The spaces of Laurent polynomials, $mathbb{P}^1$-orbifolds, and integrable hierarchies

Gromov–Witten Theory of CP^1 and Integrable Hierarchies

Kavli Affiliate: Todor E. Milanov | First 5 Authors: Todor E. Milanov, , , , | Summary: The ancestor Gromov–Witten invariants of a compact {Kahler} manifold $X$ can be organized in a generating function called the total ancestor potential of $X$. In this paper, we construct Hirota Quadratic Equations (HQE shortly) for the total ancestor […]


Continue.. Gromov–Witten Theory of CP^1 and Integrable Hierarchies

Special McKay correspondence

Kavli Affiliate: Yukari Ito | First 5 Authors: Yukari Ito, , , , | Summary: There are many generalizations of the McKay correspondence for higher dimensional Gorenstein quotient singularities and there are some applications to compute the topological invariants today. But some of the invariants are completely different from the classical invariants, in particular for […]


Continue.. Special McKay correspondence

Proposal to search for a monochromatic component of solar axions using $^{57}$Fe

Kavli Affiliate: Shigetaka Moriyama | First 5 Authors: Shigetaka Moriyama, , , , | Summary: An experimental method is introduced to search for almost monochromatic solar axions. In this method, we can search for solar axions by exploiting the axion-quark coupling, not relying on the axion-photon coupling at all. A recent experimental result of Krv […]


Continue.. Proposal to search for a monochromatic component of solar axions using $^{57}$Fe