She is best known for her work on early universe cosmology, developing the structure of inflation and its range of signatures, as well as extensive contributions to string theory and gravitational physics. Citeseerx document details isaac councill, lee giles, pradeep teregowda. We present an argument that generic string models with lowenergy supersymmetry have, after moduli stabilization, bulk fields with masses which are parametrically lighter than 1r. We study sequestering, a prerequisite for flavorblind supersymmetry breaking in several highscale mediation mechanisms, in compactifications of type iib string theory. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Organized by shamit kachru stanford university, hirosi ooguri caltech and subir sachdev harvard university, this is the third symposium on this topic. We study sequestering, a prerequisite for flavorblind supersymmetry breaking in several highscale mediation mechanisms, in compactifications of type iib. In part this is because there are new developments surrounding this class of ideas that we will revisit later on. Supersymmetric threecycles and supersymmetry breaking. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
The handbook of world englishes wiley online books. They include the ad scft correspondence and its relation to holography, the matrix theory formulation of m theory, the structure of black holes in string theory, the structure of dbranes and mbranes, and detailed development of dualities with n 1 and n. Pdf world englishes in asian contexts by yamuna kachru and. Countries listed as being in the expanding circle include china, egypt and korea.
Douglas, bogdan florea, antonella grassi, and shamit kachru. By miranda c n cheng, xi dong, john f r duncan, sarah harrison, shamit kachru and timm wrase download pdf 3 mb no static citation data no static citation data cite. Ppt world englishes and varieties of english powerpoint. The handbook of world englishes is a collection of newly commissioned articles focusing on selected critical dimensions and case studies of the theoretical, ideological, applied and pedagogical issues related to english as it is spoken around the world represents the crosscultural and international contextualization of the english language. Buy strings, branes and gravity tasi 1999 by jeffrey a. Kachrus 23 research works with 1928 citations and 7316 reads, including. In his 1985 paper, kachru classified englishes using the now famous three circles model. These notes provide an elementary and incomplete sketch of the objects and ideas involved in monstrous and umbral moonshine. Sequestering in string theory shamit kachru, a liam.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the persons given names to the link. We discuss a simple example of an ftheory compactification on a calabiyau fourfold where background fluxes, nonperturbative effects from euclidean d3instantons, and gauge dynamics on d7branes allow us to. By incorporating known corrections to the superpotential from euclidean dbrane instantons or gaugino condensation, one can make models with all moduli fixed, yielding a supersymmetric ads vacuum. Theoretical advanced study institute in elementary. According to kachru 1985, english has been indigenized in india as well as other countries including singapore, nigeria, which are referred to outer circles. R2 solutions supported by a magnetic field, such as those which arise in the nearhorizon limit of magnetically charged ads4 reissnernordstrom black branes. We describe physical phenomena associated with a class of transitions that occur in the study of supersymmetric threecycles in calabiyau threefolds. Kachru 1985 presented arguments against interlanguage theory selinker. Kachru also worked on the area of second language acquisition. The power and politics of english kachru 1986 world. Countries in the outer circle include bangladesh, ghana and the philippines. In the presence of an electrically charged scalar field, such magnetic solutions can be unstable to spontaneous formation of a vortex lattice.
Kachru s research has explored a broad range of topics in string theory and quantum field theory, and their applications in cosmology, condensed matter physics, and. Braj kachrus three circles model of world englishes kachru 1985, 1986. Explore books by shamit kachru with our selection at. Since the first symposium in 20, quantum entanglement has become even more important in a broad area of theoretical physics ranging from condensed matter physics and quantum information. By calabiyau compactifications and shamit kachru albion abstract we point out that the matrix description of mtheory compactified on calabiyau threefolds is in many respects simpler than the matrix description of a t 6 compactification. Shamit kachru, arnav tripathy submitted on 17 may 2017. Models and ideologies of world englishes markets of english. Monstrous moonshine today, were going to take a bit of a detour from geometric ideas and talk about a famous story from the mid 1980s called monstrous moonshine. World englishes and culture wars by braj kachru border crossing. Brajs father was also known as lala sahab and was a friend of kashmiri poet and writer zinda kaul masterji. Pdf nonsupersymmetric string solitons semantic scholar.
Kachru world englishes software free download kachru. We all r emember the image of the i ron cur tain countries. By sarah harrison, shamit kachru and huajia wang download pdf 409 kb no static citation data no static citation data cite. In september 2006 she received the presidential award from the president of india from the president dr. With the uk preparing to retreat from the eu and donald trump promising to clamp down on free. Our starting point is highly warped iib compactifications with nontrivial ns and rr threeform fluxes. Kachrus research works university of illinois, urbana. Shamit kachru, stanford university hirosi ooguri, caltech subir sachdev, harvard university since our last symposium, quantum entanglement has become even more important in areas of theoretical physics ranging from condensed matter physics and quantum information to quantum gravity.
Some wild speculation discussions with shamit kachru and. Braj bihari kachru 15 may 1932 29 july 2016 was an indian linguist. The interplay of power and politics within the three concentric circles of english kachru, 1985a is shown in issues related to sociolinguistics, linguistic. Professor of physics and director, stanford institute for theoretical physics about. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Kachru world englishes, free kachru world englishes software downloads, page 3. Looking under kachrus 1982, 1985 three circles model of. By anson hook, shamit kachru, gonzalo torroba and huajia wang download pdf 591 kb no static citation data no static citation data cite. In case you need a definition, it means to grow or expand. Many of the topics in this book are outgrowths of the spectacular new understanding of duality in string theory which emerged around 1995. World englishes and culture wars by braj kachru border.
Latest movies and tv shows with shamit kachru imdb. My present research interests include mathematical and computational studies of evolutionary dynamics. Strings, branes and gravity tasi 1999 by jeffrey a. Throughout the process, kachru and other scholars, especially quirk 1990, joined the debate over these englishes. Countries in the inner circle include the usa and the uk. Kachru was a cofounder of the international association of world englishes. Bounds on masses of bulk fields in string compactifications. World englishes, english as an international language and. Eva silverstein born october 24, 1970 is an american theoretical physicist, cosmologist, and string theorist. Shamit kachru born 1970 is a theoretical physicist, a professor of physics at stanford university, the wells family director of the stanford institute for theoretical physics, and the stanford physics department chair career. Some idiomatic expressions are distinctly chinese, e. These were concentric circles and he called them the inner, outer and. Braj bihari kachru was born on 15 may 1932 in srinagar, kashmir into a kashmiri pandit family. Kachru was the 2004 recipient of the padmabhushan dr.
We discuss the generation of superpotentials in fourdimensional, n 1 supersymmetric field theories arising from type iia d6branes wrapped on supersymmetric. Fixing all moduli in a simple ftheory compactification frederik denef, michael r. Some wild speculation discussions with shamit kachru and alex maloney siegel from physics 310 at university of british columbia. Imdbs advanced search allows you to run extremely powerful queries over all people and titles in the database.