Administration Ofšce, previously housed of Tokyo Directorate, Managing Director News in the basement of Kashiwa Campus’s and Executive Vice President Yoichiro General Research Building, moved to the Matsumoto attended on the šrst day, new IPMU building. IPMU researchers and President Junichi Hamada on the also began relocating, and a tea time at second. 3:00 pm was also held on the same day Of particular note this time was a in the interaction space. statement by President Hamada to The Inauguration Ceremony of the the delegates that he is committed to IPMU Research Building will be held on making IPMU one of the University of February 23 with its interaction space as Tokyo’s“ Institutes for Advanced Study,” a venue. the creation of which is being discussed by the University’s Board. This would IPMU’s Research Building integrate IPMU into the University Completed of Tokyo as a permanent entity, and To celebrate the completion of IPMU’s a subset of the IPMU faculty would Research Building, construction of which effectively be given tenure. To date, it began at the University of Tokyo’s Fig. 1 has not been clear how IPMU would Kashiwa Campus in February 2009, a continue after the ten years (plus an tape-cutting ceremony was held on additional 5 years for high-performing December 22, 2009, attended by IPMU A group photo taken after the ceremony. WPI centers) of support from MEXT. researchers and administrative staff as Moreover, IPMU does not have tenured well as engineers from the University At 3rd Site Visit, UT President faculty positions. To some extent, of Tokyo’s Facilities Management Junichi Hamada to Make IPMU a these issues did inœuence the hiring of Department and the construction Permanent Entity the highest caliber scientists. The WPI company. After the tape-cutting, the The third site visit by observers from Program Committee had pointed out construction company handed the key JSPS and MEXT was conducted on that IPMU needs to improve in this area, to the Director’s Ofšce (actually an January 21 and 22 at the new IPMU and consequently President Hamada’s enlarged plastic copy) to IPMU Director Research Building, to follow up on statement had a strong impression on Hitoshi Murayama. IPMU’s progress toward the formation the delegation and was very welcome. The šve-story building with a œoor of a World Premier International (WPI) area of slightly less than 6,000 m2 Research Center. Members of the has a unique design, called“ Spiraling delegation included WPI Program Academia” by Professor Hidetoshi Director Toshio Kuroki, Program Ofšcer Fig. 2 Ohno of the University of Tokyo, the in charge of IPMU Ichiro Sanda, šve architect who designed the building Working Group members (Tuneyoshi (see page 4). The building features Kamae, Hikaru Kawai, Tetsuji Miwa, a large and comfortable space for John Peacock, and Matthias Staudacher), interaction on the third œoor, giving an and ofšcers from the S&T Policy Bureau Senior Vice Minister of MEXT Visits IPMU impression of cafés surrounding a town of MEXT, Itaru Watanabe (Senior square in Europe. It represents an ideal Deputy Director-General), Shigeo Okaya Senior Vice Minister of Education, environment for researchers; everywhere (Director, Strategic Programs Division), Culture, Sports, Science and Technology inside the building as well as on the and Ei Takeuchi (Director, Ofšce of Masaharu Nakagawa, visited IPMU rooftop, researchers feel a comfortable S&T for a Safe and Secure Society). on January 8, 2010. Mr. Nakagawa atmosphere that is conducive to The observers heard progress reports was accompanied by MEXT ofšcers interaction and discussion. The building from the IPMU Director, some of the Shinichiro Izumi (Director General, represents a dream come true for IPMU principal investigators and researchers. S&T Policy Bureau) and Shigeo Okaya researchers. They also interviewed a number of (Director, Strategic Programs Division, On January 18, 2010, the IPMU young researchers. From the University S&T Policy Bureau). IPMU Director Hitoshi

22 IPMU News No. 8 January 2010 Murayama explained IPMU’s research as Nobel laureates and Fields Medal of the President directly pursued this programs and the progress it has made recipients to write a letter to Mr. agreement, in cooperation with IPMU in its efforts to become an internationally Hatoyama, providing international praise and School of Science. IPMU Director visible research center. After discussion, for the WPI Program and requesting Hitoshi Murayama is also afšliated with Mr. Nakagawa and MEXT ofšcers continued support for it. Four other WPI UCB, and acted as an intermediary visited the new IPMU Research Building, institutes also made similar efforts. As a to make the agreement possible. The guided by its architect, Prof. Ohno. result of these efforts, although the WPI photographs show the UT’s President They also joined IPMU researchers for Program will receive a budget cut next and UCB’s Chancellor signing the tea and particularly enjoyed a relaxed Japanese šscal year (the average budget agreement. Actually, Murayama brought conversation with foreign researchers. for each WPI institute will be reduced by two original copies of the agreement 50 million yen from the current budget signed in advance by the UT’s President of 1.4 billion yen), it would not cause Junichi Hamada to Berkeley, and the signišcant damage to the Program. UCB’s Chancellor Robert J. Birgeneau Fig. 3 IPMU is grateful to those who supported signed the agreement with Murayama's it in this matter. computer sitting next to him showing the picture of President Hamada signing. University of Tokyo and UC Berkeley Sign Comprehensive IPMU Establishes Satellite on UC Academic Exchange Agreement Berkeley Campus The University of Tokyo (UT) and IPMU signed an agreement with Government Revitalization Unit the University of California, Berkeley University of California, Berkeley on Reevaluates Government-Funded (UCB), have signed a comprehensive December 17, 2009 to establish an IPMU Research Programs academic exchange agreement on satellite on the Berkeley campus. This The cabinet of Japanese Prime December 17, 2009. The two universities agreement became possible following Minister Yukio Hatoyama, inaugurated in will encourage more research and a broader agreement between The September, 2009, has proposed drastic educational exchanges between their University of Tokyo and UCB. IPMU is budget cuts and created a Government campuses. At UT, the Division for conducting a joint project using the Revitalization Unit. Working groups re- International Relations in the Ofšce satellite with Department of Physics evaluated government-funded programs of UCB, involving particle physics, in public hearings in November. Most cosmology, and mathematics. The joint S&T programs, including the WPI, were project will be managed by the two no exceptions, and faced deep proposed Research Directors, under the supervision cuts in their budget. WPI Program of IPMU Director Hitoshi Murayama. Director, Toshio Kuroki, was very From IPMU, Principal Investigator concerned about this critical situation Tsutomu Yanagida has been nominated and urgently conveyed a message Research Director. From UCB, Director of

“Crisis of Science in Japan” (http://www. President Junichi Hamada, signing the agreement Berkeley Center for Theoretical Physics, ipmu.jp/node/559). IPMU also released at UT Lawrence Hall, who is also Visiting Senior a statement“ Funding Cuts Threaten Scientist of IPMU, has been nominated Globalization of Japanese Science, Research Director. Initial activity at Scientists Fear” (http://www.ipmu.jp/ the satellite focuses on theoretical node/555). IPMU also appealed to the particle physics, both string theory and public to respond to the MEXT’s call for phenomenology. The establishment of public comments about the Government the satellite enables IPMU not only to Revitalization Unit’s recommendations support collaborative research on the News for the WPI Program, in particular (http:// Berkeley campus, but also to make the www.ipmu.jp/node/566). In addition, recruitment of scientists easier in the Chancellor Robert J. Birgeneau, signing the IPMU asked prominent scientists such agreement at UCB United States.

23 Hirosi Ooguri Awarded 2009 The heart of the experiment can simulation“ The Growth of the Large- Nishina Memorial Prize be seen in the picture: The two half Scale Structure of the Universe” and On November 9, the Nishina Memorial spheres will soon be combined so that a large block of crystal glass with Foundation announced that Hirosi the scintillation light sensors mounted in “a large structure of the universe” Ooguri, IPMU Principal Investigator the copper matrix can watch a little over engraved inside, a video of Director and Fred Kavli Professor of California 800kg of liquid xenon that the sphere Hitoshi Murayama introducing IPMU, a Institute of Technology, won the 2009 will be šlled with. The experiment will computer demonstration offering visitors Nishina Memorial Prize. Ooguri has start taking data in April this year. a virtual experience of gravitational been awarded the Prize for his work lensing effects, and panels detailing on topological string theory. With IPMU-ICRR Joint Public Lecture: IPMU activities. On the second day, IPMU his collaborators, Ooguri established “Probing the Universe” Associate Prof. Masahiro Takada gave a the foundations of topological string On October 10, 2009, the second lecture titled“ Looking the Dark Side of theory and developed its computational IPMU-ICRR (Institute for Cosmic Ray the Universe by Means of Gravitational techniques. This made it possible Research, The University of Tokyo) joint Lensing.” After the lecture, the audience for them to carry out superstring public lecture entitled“ Probing the enjoyed a relaxed Q&A session with the computation that had been regarded Universe” was held at the Hitotsubashi lecturer. as impossibly difšcult using existing Hall of Japan Education Center, near techniques. The awards ceremony was Jinbocho, Tokyo. More than 300 held on December 4, 2009. people attended. IPMU Director Hitoshi Murayama gave a lecture on“ Beyond Fig. 8 XMASS Anticipates Launch in the Observed Universe,” and Prof. April Masayuki Nakahata of ICRR spoke Given the physics we know, about“ The Universe Probed from astronomical observations of the motion Underground at Kamioka.” Nakahata, of stars and distribution of galaxies also IPMU Principal Investigator, referred IPMU Associate Prof. Masahiro Takada giving a only make sense if we postulate the to how the experiments conducted in lecture existence of matter that we cannot the Kamioka mine are related to IPMU’s see - Dark Matter (DM). The XMASS research program. After the lecture, JSPS Fellow at IPMU Participates experiment in the Kamioka mine will each speaker stepped down into the in JSPS Science Dialogue use liquid Xenon to clarify the nature of audience for a lively Q&A session. JSPS Fellow Marcos Valdes, who is DM. If DM is made of a certain type of currently at IPMU, took part in a JSPS particles, XMASS is designed to yield a Science Dialogue held on October 30, direct measurement of their interactions. 2009 at Seishin High School in Kashima The experiment is led by Yoichiro Suzuki, Fig. 7 City, Ibaraki Prefecture. Valdes gave a Professor at ICRR and Deputy Director of talk on the history of the Universe and IPMU, the University of Tokyo. At IPMU his own research. Kai Martens (Associate Prof.) and Jing The JSPS Science Dialogue is a Liu (postdoc) are also actively involved in program to invite young foreign XMASS. researchers who are in Japan with the IPMU Director Hitoshi Murayama answering questions from the audience support of a JSPS Fellowship, and to give them an opportunity to talk about IPMU Takes Part in Open House at UT their research at nearby high schools. Kashiwa Campus This program aims at giving high-school Fig. 6 An open house of the Kashiwa students the chance to hear scientišc Campus of The University of Tokyo talks in English, thereby stimulating their was held on October 30-31. On the 6th interest in both science and international œoor of the campus’s General Research communications. At the same time, the Building, IPMU displayed a computer program seeks to provide JSPS Fellows

24 IPMU News No. 8 January 2010 with opportunity to meet with local Santa Claus is Coming to Donguri of Heisenberg groups, geometric communities and strengthen their ties to from IPMU!! quantizations in Gromov-Witten theory Japan. Professor Mark Vagins at IPMU and deformation quantizations were turned into Santa Claus and visited dealt with, and stimulating discussions Donguri Nursery School in Kashiwa between mathematicians and physicists campus on December 18th, handing a were held. present to each child. The children were Fig. 9 very excited to see a Santa Claus who Workshop on Recent Advances in seemed to have popped out from a Mathematics at IPMU picture book. A mini-workshop was held to introduce new mathematics in IPMU Marcos Valdes giving a lecture with the aid of from November 16 to November 18, interpreter Hiroyuki Furuya, a staff member of the IPMU International Relations Section of the 2009. The subject covered various areas Administration Ofšce Fig. 11 of mathematics such as Schroedinger equations, Fano varieties, Teichmueller IPMU Participates in SpaceExpo spaces, Mapping class groups, and “SORAHAKU 2009” various discontinuous and hyperbolic One of the ofšcial events recognized groups and their associated geometry. by the International Year of Astronomy Focus Week: The workshop was a success with active 2009 Japan Committee, SpaceExpo Statistical Frontiers of and fruitful discussions. “SORAHAKU 2009” was held on Astrophysics December 3-6, 2009 at the Tokyo A workshop titled“ Statistical Frontiers Focus Week on the Epoch of International Forum in Marunouchi, of Astrophysics” was held at IPMU Reionization Tokyo. IPMU had a booth at this event, for šve days, from September 28 to See p. 20. while IPMU Director Hitoshi Murayama October 2, 2009. The workshop focused gave a public lecture titled“ Will the on several astrophysics topics (including Focus week on Indirect Dark Universe Ever End?” on the last day. cosmology, exoplanet studies, and large- Matter Search The aim of SORAHAKU 2009 is to scale galaxy surveys) plus state-of-the- See p. 21. convey to the audience in an easy-to- art statistical techniques (such as Bayes’ understand manner the cutting-edge theorem and Markov Chain Monte IPMU Seminars science that is being developed to solve Carlo methods) most relevant to them. the mysteries of the Universe, and the The workshop successfully encouraged Information on IPMU seminars is spin-off revolution in environmental intensive and stimulating interactions posted on IPMU website (http://db.ipmu. energy engineering. A total of 26,372 between the participating astrophysicists jp/seminar/?mode=seminar_recent). people visited SORAHAKU 2009 over and statisticians. You will šnd detailed information and four days, and actively engaged with the request form (when needed) there. scientists. Workshop on Quantizations, Integrable Systems and 1. “Fractional calculus of Weyl algebra Representation Theory and its application to ordinary Fig. 10 Quantizations are fundamental differential equations on the concepts in quantum mechanics. At Riemann sphere” this workshop participants discussed Speaker: Toshi Oshima (Graduate the evolution of these concepts in the School of Mathematical Sciences, context of the relationship between The University of Tokyo) mathematics and physics, in particular, Date: Sep 08, 2009 News from the point of view of integrable 2. “1st lecture: Deep inelastic scattering, IPMU Director Hitoshi Murayama talking with systems and representation theory. Weyl parton distributions and parton visitors at SORAHASKU 2009 quantizations based on representations showering”

25 Speaker: Bryan Webber (Cambridge) Clustering” University) Date: Sep 08, 2009 Speaker: Martin Crocce (Institute of Date: Oct 27, 2009 3. “Oscillating Neutrinos and Oscillating Space Sciences, Barcelona) 24.“ Brownian motion in AdS/CFT” Decay Probabilities” Date: Oct 09, 2009 Speaker: Masaki Shigemori Speaker: Stuart Freedman (University 13. “2d Liouville correlators from 4d (Amsterdam) of California, Berkeley, Lawrence gauge theories” Date: Nov 02, 2009 Berkeley National Laboratory, and Speaker: Yuji Tachikawa (IAS) 25.“ 3rd lecture: Cyclic Cosmology and IPMU) Date: Oct 09, 2009 Inšnite Past” Date: Sep 09, 2009 14.“ 1st lecture: Neutrino Masses and Speaker: Paul Frampton (UNS, IPMU) 4. “2nd lecture: Jet fragmentation, Mixings” Date: Nov 04, 2009 hadronization and hadron-hadron Speaker: Paul Frampton (UNC, IPMU) 26.“ Horizen Thermodynamics and processes” Date: Oct 14, 2009 Einstein Equations” Speaker: Bryan Webber (Cambridge) 15. (No title) Speaker: Rong-Gen Cai (Institute Date: Sep 14, 2009 Speaker: Maxim Kontsevich (IHES) of Theoretical Physics, Chinese 5. “Topological strings, black holes and Date: Oct 15, 2009 Academy of Sciences, and College matrix models” 16.“ Higgs Exempt No-Scale of Mathematics and Physics, Speaker: Minxin Huang (IPMU) Supersymmetry” Chongqing University of Posts and Date: Sep 15, 2009 Speaker: Jason Evans (IPMU) Telecommunications) 6. “Quantization in semi-inšnite Hodge Date: Oct 15, 2009 Date: Nov 5, 2009 theory” 17. (No title) 27. “ Fuzzy spheres and M2-M5 systems Speaker: Hiroshi Iritani (Kyushu Speaker: Maxim Kontsevich (IHES) in ABJM” University) Date: Oct 16, 2009 Speaker: Horatiu Nastase (Tokyo Date: Sep 17, 2009 18.“ Finite size effects in integrable Institute of Technology) 7. “Volumes of moduli spaces of models: planar AdS/CFT” Date: Nov 10, 2009 algebraic curves” Speaker: Zoltan Bajnok (Hungarian 28.“ 4th lecture: Identifying Dark Matter Speaker: Peter Zograf (PDMI) Academy of Sciences) as Black Holes” Date: Sep 18, 2009 Date: Oct 20, 2009 Speaker: Paul Frampton (UNC, IPMU) 8. “Fast Reionization Simulations for 19. “2nd lecture: Studies of T’Flavor Date: Nov 18, 2009 LOFAR” Symmetry” 29.“ Towards a Quantum Theory of Speaker: Rajat Mani Thomas (IPMU) Speaker: Paul Frampton (UNC, IPMU) Leptogenesis” Date: Sep 24, 2009 Date: Oct 21, 2009 Speaker: Marco Drewes (Lausanne) 9. “p-adic strings” 20. “ General Gauge Mediation with Date: Nov 19, 2009 Speaker: Paul H. Frampton (UNC and Gauge Messengers” 30.“ Chiral Algebras of (0.2) Models: IPMU) Speaker: Matt Sudano (IPMU) Beyond Perturbation Theory” Date: Sep 25, 2009 Date: Oct 21, 2009 Speaker: Junya Yagi (Rutgers 10.“ The Evolution of Giant Molecular 21. “A model independent method University) Clouds in Global Disk Galaxy to measure velocity dispersion of Date: Nov 24, 2009 Simulations” galaxies” 31. “To the local beginning of inœation Speaker: Elizabeth Tasker (University Speaker: Issha Kayo (IPMU) and beyond” of Florida/NAOJ) Date: Oct 22, 2009 Speaker: Alexei A. Starobinsky Date: Oct 02, 2009 22.“ Perturbative gauge theory results (Landau Institute, Resceu) 11. “Heterotic Orbifold Phenomenology: from strings in AdS_5xS5” Date: Nov 24, 2009 Status ans Prospects” Speaker: Romuald Janik (Jagiellonian 32.“ Scalar šeld in the anisotropic Speaker: Saul Ramos-Sanchez University) Universe” (DESY) Date: Oct 22, 2009 Speaker: Masato Minamitsuji Date: Oct 07, 2009 23.“ Supersymmetric deformations, (Sogang University) 12. “The MICE simulations: Abundance gauged supergravities” Date: Nov 24, 2009 of Massive Clusters and Large Scale Speaker: Bernard de Wit (Utrecht 33.“ Apparent cosmological acceleration,

26 IPMU News No. 8 January 2010 dark energy and inhomogeneities” dynamical dark energy” Speaker: Weiping Zhang (Chern Speaker: Antonio Enea Romano Speaker: Sergey Ketov (Tokyo Institute of Mathematics, Nankai (YITP) Metropolitan University) University) Date: Nov 24, 2009 Date: Dec 08, 2009 Date: Dec 07, 2009 34.“ 5th lecture: Conformality from 44“. Flavor Mixing, Neutrino Masses and 4. “Gaudin subalgebras and stable AdS/CFT at TeV Scale; Axigluon as Neutrino Oscillations” rational curves” Explanation of Top Asymmetry in Speaker: Harald Fritzsch (Universitaet Speaker: Giovanni Felder (ETH p-pbar Collisions” Muenchen) Zurich/IPMU) Speaker: Paul Frampton (UNC, IPMU) Date: Dec 10, 2009 Date: Dec 08, 2009 Date: Nov 25, 2009 45.“ Deformation quantization and 35.“ Next-to-Leading Order Jet Physics branes” Personnel Changes with BlackHat” Speaker: Giovanni Felder (ETH Speaker: David Koswer Zurich) IPMU Professor José M. Figueroa- Date: Nov 26, 2009 Date: Dec 10 and 11, 2009 O'Farrill, who was at IPMU on sabbatical, 36.“ Microlocal condition for non- 46“. Gravitational Wave Detection with has returned to the University of displaceability of Lagrangian Atom Interferometry” Edinburgh following the expiration of submanifolds” Speaker: Surjeet Ragendran (MIT) the contract with The University of Speaker: Dmitry Tamarkin Date: Dec 14, 2009 Tokyo. Figueroa-O'Farrill was with IPMU (Northwestern University) 47.“ Non-linear SUSY and Hidden from May 1 to December 31, 2009. Date: Nov 27, 2009 Gravity” Also, the following four IPMU 37. “ System of uniformization Speaker: Ryuichiro Kitano (Tohoku postdoctoral fellows have left IPMU to equations and hyperelliptic integrals” University) work at other institutes. Their time at Speaker: Jiro Sekiguchi (Tokyo Date: Dec 17, 2009 IPMU is shown in the parentheses. University of Agriculture and 48“. Remarks on pavings of the Siegel Shushi Harashita has taken a position Technology) modular varieties” as assistant professor at the Department Date: Dec 01, 2009 Speaker: Shushi Harashita (Kobe of Mathematics, Graduate School of 38.“ Signature of primordial non- University) Science, Kobe University (April 1, 2008 – Gaussianity on large scale structure” Date: Dec 28, 2009 September 30, 2009). Speaker: Tsz Yan Lam (IPMU) Brian Powell has taken a position as Date: Dec 03, 2009 staff scientist at the Institute for Defense IPMU Komaba Seminars 39.“ Discrete R Symmetries and Low Analyses, USA (September 1, 2008 – Energy Supersymmetry” Mathematics seminars are also held October 4, 2009). Speaker: Michael Dine at the University of Tokyo Komaba Simon Dedeo moved to the Santa Fe Date: Dec 04, 2009 Campus (http://info.ms.u-tokyo.ac.jp/ Institute as a postdoctoral fellow (April 40.“ Shaving the black hole” seminar/ipmusem/). 16, 2009 – December 31, 2009). Speaker: Yogesh Srivastava (IPMU) Rajat Mani Thomas moved to the Date: Dec 04, 2009 1. Differential Graded Categories and Canadian Institute for Theoretical 41. “Periodic cyclic homology in heterotic string theory” Astrophysics (CITA) at the University of deformation quantization” Speaker: Makoto Sakurai (The Toronto as a CITA postdoctoral fellow Speaker: Giovanni Felder (ETH University of Tokyo) (May 16, 2009 – January 18, 2010). Zurich) Date: Nov 09, 2009 Date: Dec 04, 2009 2. Chiral Algebras of (0.2) Models: 42.“ Holographic quantum liquids in 1+1 Beyond Perturbation Theory” d” Speaker: Junya Yagi (Rutgers Speaker: Janet Hung (Perimeter University) News Institute) Date: Nov 30, 2009 Date: Dec 07, 2009 3. “Geometric quantization on 43. “ Modišed supergravity and noncompact manifolds”

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