In theoretical physics, rajesh gopakumar and cumrun vafa introduced in a series of papers new topological invariants, called gopakumar vafa invariants, that represent the number of bps states on a calabiyau 3fold. Cumrun vafa was born in tehran, iran on 1 august 1960. The founders of index theory, 2nd edition ix preface i n 1999, harvard university hosted a conference dedicated to four great mathematicianssir michael atiyah, raoul bott, friedrich hir. Michele del zotto, cumrun vafa, dan xie related work. Kodairaspencer theory of gravity and exact results for quantum string amplitudes. Brooklyn college publications and research brooklyn. Joining and splitting of strings leads to interaction between strings. Cumrun vafa, the string landscape and the swampland arxiv. Can every consistent quantum field theory arise as a limit of low energy of some quantum. Pdf mirror symmetry, dbranes and counting holomorphic. The new vacua described by ftheory were discovered by vafa and allowed string theorists to construct new realistic vacua in the form of ftheory compactified on elliptically fibered calabiyau fourfolds. Vafa nonhyperbolicityofcymanifolds kobayashinonhyperbolicityof calabiyaumanifolds viamirror symmetry ljudmila kamenova1, cumrun vafa2 abstract a compact complex manifold is kobayashi nonhyperbolic if there exists an entire curve on it.
String theory may create far fewer universes than thought. They lead to the following generating function for the gromovwitten invariants on a calabiyau 3fold m. We provide evidence for a more natural reformulation of type iib theory in terms of ftheory. Born in iran in 1960, he moved to the us for higher education where he received his b. Cumrun vafa is the hollis professor of mathematicks and natural philosophy in the physics department at harvard university, where he does research and teaches theoretical physics since 1985. Microscopic origin of the bekensteinhawking entropy. Split pdf files into individual pages, delete or rotate pages, easily merge pdf files together or edit and modify pdf files. Georges obied, hirosi ooguri, lev spodyneiko, cumrun vafa. Cumrun vafa department of physics harvard university april 2009. Ftheory is a branch of string theory developed by cumrun vafa. This simple webbased tool lets you merge pdf files in batches. If you have additional information or corrections regarding this mathematician, please use the update form. Cumrun vafa lyman laboratory of physics, harvard university, cambridge, ma 028, usa nicholas p.
The string landscape, the swampland, and the missing corner. String theory and the thermodynamics of a black hole dummies. Soda pdf merge tool allows you to combine two or more documents into a single pdf file for free. Files are available under licenses specified on their description page. A free and open source software to merge, split, rotate and extract pages from pdf files. This file is licensed under the creative commons attributionshare alike 4. A consistent framework which unifies quantum theory and einsteins theory of gravitya highly nontrivial accomplishment. Wijen, seiberg, ganor, strominger, intriligator, blum, hanany, za. String propagation on the quotient of a flat torus by a discrete group is considered. Finite tuning and sequesteringbranes and the swampland ads and the swampland fading dark sector and the swampland. This suggests the possibility that metastable ds belongs to the swampland. Pdf joiner allows you to merge multiple pdf documents and images into a single pdf file, free of charge. Freddy alexander cachazo is a venezuelanborn theoretical physicist who holds the gluskin sheff freeman dyson chair in theoretical physics at the perimeter institute for theoretical physics in waterloo, ontario, canada he is known for the contributions to quantum field theory through the study of scattering amplitudes, in particular in quantum chromodynamics, n 4. Cumrun vafa je erson laboratory of physics harvard university cambridge, ma 028 phone.
On compactifications of 6d 1,0 theories cumrun vafa icts. Publications and research generated by the faculty and staff at brooklyn college of the city university of new york. The idea that we can potentially combine the three gauge groups into one, is an old idea, dating back to the work of georgi and glashow, and similar models by pati and salam. Michael bershadsky, sergio cecotti, hirosi ooguri, cumrun vafa. Warner mathematics department, massachusetts institute of technology, cambridge, ma 029, usa received 15 march 1989 we investigate the properties of chiral operators in n 2 superconformal theories. We obtain an exactly soluble and more or less realistic method of string compactification. Cumrun vafa was born in tehran, iran in 1960 and graduated from alborz boys school. Some physicists claim that the popular landscape of universes in string theory may not exist. Mirror symmetry is a phenomenon arising in string theory in which two very different manifolds give rise to equivalent physics. Cumrun vafa harvard university cosmic controversies uchicago oct. All structured data from the file and property namespaces is available under the creative commons cc0 license. We also compare holography in the context of superstrings with the similar, but much simpler case of. O1 curve, unlike the o2 curve, when shrunk leaves no imprint of singularity in the base.
Cumrun vafa the string landscape, the swampland, and our universe cumrun vafa is the hollis professor of mathematicks and natural philosophy at harvard university. This page was last edited on 25 january 2020, at 04. A swampland update cumrun vafa harvard university string. Despite the complexity of the universe the fundamental laws of physics are rather simple, if viewed properly. Some general aspects of string landscape and swamplandwhy do we believe in the existence of ds space. Pdf merge combinejoin pdf files online for free soda pdf. On the geometry of the string landscape and the swampland authors. Daniel brennan, federico carta, cumrun vafa, the string landscape, the swampland, and the missing corner arxiv. According to our current online database, cumrun vafa has 17 students and 36 descendants. To submit students of this mathematician, please use the new data form, noting this mathematicians mgp id of 18845 for the advisor id. This online pdf merger allows you to quickly combine multiple pdf files into one pdf document for free.
Graduate students, mobile devices, and academic workflows, lee ann fullington and frans albarillo. Cumrun vafa harvard university string phenomenology 2019 cern june 25, 2019. Freshman seminar 23p physics, math and puzzles cumrun vafa w 4. We construct compact examples of dmanifolds for type iib strings. The ones marked may be different from the article in the profile. We give a brief overview of the string landscape and techniques used to construct string compactifications. In theoretical physics, the vafawitten theorem, named after cumrun vafa and edward witten, is a theorem that shows that vectorlike global symmetries those that transform as expected under reflections such as isospin and baryon number in vectorlike gauge theories like quantum chromodynamics cannot be spontaneously broken as long as the theta angle is zero.
This free online tool allows to combine multiple pdf or image files into a single pdf document. Cumrun vafa knows quite something and when he becomes a quitenessence believer, i think its useful to be interested in the mental processes that have led him to this transformation. This is a thread about a new paper by cumrun vafa, a top theoretical physicist, not a thread meant to promote hardcore cranks who are afraid of global warming. Kobayashinonhyperbolicityof calabiyaumanifolds viamirror. Born in iran in 1960, he moved to the usa to study at mit and later princeton university, where he received his ph. Their combined citations are counted only for the first article. Freshman seminar 23p physics, math and puzzles cumrun. Hawking radiation takes place when radiation is emitted. Their prediction vw invariants vafa and witten told us to \count in an appropriate sense solutions of these vw equations. R thomas, s katz, c vafa, r pandharipande, a klemm, r vakil. He became interested in physics as a young child, specifically how the moon was not falling from the sky, and he later grew his interests in math by high school and was fascinated by how mathematics could predict the movement of objects. One of the major successes of string theory is in offering a complete description of some black holes.
Combine pdfs in the order you want with the easiest pdf merger available. Swampland and cosmology cumrun vafa harvard university. A fock sheaf for givental quantization coates, tom and iritani, hiroshi, kyoto journal of mathematics, 2018. Effective superpotentials, geometry and integrable systems kennaway, kristian d. Semantic scholar profile for cumrun vafa, with 3955 highly influential citations and 372 scientific research papers. Just upload files you want to join together, reorder. He came to the us in 1977 and completed his undergraduate degree from massachusetts institute of technology with a major in physics and mathematics. When stephen hawking described the hawking radiation emitted by a black hole, he had to use his physical and mathematical intuition, because quantum physics and general relativity arent reconciled. Cumrun vafa is the hollis professor of mathematicks and natural philosophy in the physics department at harvard university.