標(biāo)題: Titlebook: Random Surfaces and Quantum Gravity; Orlando Alvarez,Enzo Marinari,Paul Windey Book 1991 Springer Science+Business Media New York 1991 Gra [打印本頁(yè)] 作者: Hemochromatosis 時(shí)間: 2025-3-21 18:24
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書目名稱Random Surfaces and Quantum Gravity讀者反饋學(xué)科排名
作者: Expurgate 時(shí)間: 2025-3-21 23:22 作者: meretricious 時(shí)間: 2025-3-22 03:56
A Few Remarks on Low Dimensional String Theorye effects of the introduction of a lattice spacing, the definition of a pure Bosonic string beyond perturbation theory, the properties of a supersymmetric string and a possible strategy for obtaining results in two dimensions.作者: 移植 時(shí)間: 2025-3-22 05:48 作者: cochlea 時(shí)間: 2025-3-22 10:29 作者: ALIEN 時(shí)間: 2025-3-22 13:49 作者: 一再困擾 時(shí)間: 2025-3-22 20:00 作者: 吼叫 時(shí)間: 2025-3-22 23:22
Random Surfaces and Quantum Gravity978-1-4615-3772-4Series ISSN 0258-1221 作者: 使隔離 時(shí)間: 2025-3-23 02:27 作者: 不理會(huì) 時(shí)間: 2025-3-23 07:31 作者: ironic 時(shí)間: 2025-3-23 11:03
0258-1221 ults in Liouville field theory, effective (1 + 1) dimensional theory for 2 - D quantum gravity coupled to c = 1 matter and its fermionization, proposal for a ne978-1-4613-6681-2978-1-4615-3772-4Series ISSN 0258-1221 作者: remission 時(shí)間: 2025-3-23 15:05 作者: Bumptious 時(shí)間: 2025-3-23 21:25
efinition, key words, an illustration, applications, a bibliography, and links to related literature..The entries are expository and tutorial, making this reference a practical resource for students, academics, or professionals who employ machine learning and data mining methods in their projects. M作者: Venules 時(shí)間: 2025-3-23 23:21
Orlando Alvarez,Paul Windeyorm, a remote sensing dataset called the Boston Testbed, available online along with open-source system code. Key design elements of ART models and links to software for each system are included. The article further points to future applications for integrative ART-based systems that have already be作者: nostrum 時(shí)間: 2025-3-24 02:45
C. Bachasorm, a remote sensing dataset called the Boston Testbed, available online along with open-source system code. Key design elements of ART models and links to software for each system are included. The article further points to future applications for integrative ART-based systems that have already be作者: Mucosa 時(shí)間: 2025-3-24 09:56
Fran?ois Davidorm, a remote sensing dataset called the Boston Testbed, available online along with open-source system code. Key design elements of ART models and links to software for each system are included. The article further points to future applications for integrative ART-based systems that have already be作者: 匍匐 時(shí)間: 2025-3-24 12:01 作者: 變態(tài) 時(shí)間: 2025-3-24 18:03 作者: 交響樂(lè) 時(shí)間: 2025-3-24 19:53 作者: 古老 時(shí)間: 2025-3-25 01:59 作者: 騷動(dòng) 時(shí)間: 2025-3-25 06:03
I. K. Kostovy of human expertise..The fundamental assumption of CBR is that .: a patient with similar symptoms will have the same diagnosis, the price of a house with similar accommodation and location will be similar, the design for a kitchen with a similar shape and size can be reused, and a journey plan is s作者: 菊花 時(shí)間: 2025-3-25 10:35 作者: 走路左晃右晃 時(shí)間: 2025-3-25 15:11
On Triangles and Squares: just add any matter explicitly by giving extra (flavour) indices to the matrix that generates triangulations, then integrate out all these matrices but one. This simple argument shows that a full classification of critical behaviour in the one-matrix model may be too ambitious a task.作者: 道學(xué)氣 時(shí)間: 2025-3-25 16:46 作者: 小歌劇 時(shí)間: 2025-3-25 23:53 作者: audiologist 時(shí)間: 2025-3-26 00:40
Non-Perturbative Effects in 2D Gravity and Matrix Models the most interesting cases, in particular for pure gravity, the solution is defined as a solution of a non-linear differential equation of the Painlevé type and presents some non-perturbative ambiguities, related to the delicate issue of boundary conditions, which are usually attributed to some “non-perturbative effects” of the theory.作者: 有節(jié)制 時(shí)間: 2025-3-26 05:08
Action Principle and Large Order Behavior of Non-Perturbative Gravitydition, we show how the formalism of ref. [4] for 2d gravity coupled to minimal (., .) conformal matter results from an action principle. Viewed as a more intrinsic formulation of 2d quantum gravity, abstracted from a matrix model underpinning, this may result in clues to a proper formulation of string field theory.作者: 整理 時(shí)間: 2025-3-26 10:45
0258-1221 on-perturbative regime before Oetober 1989 when non-perturbative equations for the string partition functions were found by using methods based on the random triangulations of surfaees. This set of methods pro- vides a deseription of non-eritical string theory or equivalently of the coupling of matt作者: 一起 時(shí)間: 2025-3-26 15:06
Integrable Models of Two Dimensional Quantum Gravityintegrable systems of differential equations — the so called KdV hierarchy. Also, a relation to topological gravity was discovered [5]. Correlation functions for arbitrary topology were obtained, and much progress has been made in understanding non perturbative phenomena.作者: 持久 時(shí)間: 2025-3-26 18:43 作者: 冷淡周邊 時(shí)間: 2025-3-26 23:44 作者: 黃油沒(méi)有 時(shí)間: 2025-3-27 01:52 作者: misshapen 時(shí)間: 2025-3-27 07:57 作者: 新鮮 時(shí)間: 2025-3-27 11:11 作者: embolus 時(shí)間: 2025-3-27 16:56 作者: 牙齒 時(shí)間: 2025-3-27 18:46
Topological Strings and Loop Equationsntegrals [1]–[3], has led to a remarkable breakthrough [4]–[8]. Soon after the double-scaling limit of the matrix model was solved, an alternative approach to two-dimensional gravity was suggested by Witten along the lines of topological field theory [9].作者: achlorhydria 時(shí)間: 2025-3-28 01:30 作者: 人類的發(fā)源 時(shí)間: 2025-3-28 03:23
Matrix Models, String Field Theory and Topologynstrate this is to write the Mehta et. al.[1] formula for the partition function for a matrix chain with general nearest neighbor transfer matrix..and use a Grassmann integral representation of the Vandermonde determinants:作者: obtuse 時(shí)間: 2025-3-28 09:06
Diffusion Equation, Continuum Limit and Universality in Two Dimensional Quantum Gravityg a diffusion equation. This method differs from the continuum limit originally presented in [1, 2, 7] in the following way: the continuum limit in these papers is obtained by firstly computing the matrix elements of a certain operator and subsequently taking the continuum limit of the matrix elemen作者: analogous 時(shí)間: 2025-3-28 12:20
On Triangles and Squaresthe elementary k-gons that make up the surface, amounts to introducing certain statistical mechanical vertex models, which at criticality can modify the infrared behaviour of the theory. The simplest example is the Lee-Yang edge singularity [5] shown to correspond to the first non-trivial (. 3) mult作者: Pepsin 時(shí)間: 2025-3-28 14:48
Non-Perturbative Effects in 2D Gravity and Matrix Modelsl integral may be discretized in such a way that the topological expansion in terms of the genus of the manifold is mapped onto the 1/. expansion of some zero-dimensional matrix model [1]. The . = ∞ limit exhibits critical points which can be shown to describe the continuum limit of 2-dimensional gr作者: linear 時(shí)間: 2025-3-28 21:38 作者: Ibd810 時(shí)間: 2025-3-29 00:38
Topological Strings and Loop Equationsal metric that is introduced to achieve invariance under general coordinate transformations. Even in two-dimensions, where the issue seems much more accessible and essentially reduces to an understanding of the Liouville dynamics, an exact solution of quantum gravity has until recently remained elus作者: PUT 時(shí)間: 2025-3-29 03:43
Action Principle and Large Order Behavior of Non-Perturbative Gravitygravity coupled to . < 1 matter. Our motivation is to learn what we can about non-perturbative features of quantum gravity and string theory using standard mathematical techniques for studying the asymptotic behavior of perturbation series. In particular we wish ultimately to probe whether we indeed作者: 女上癮 時(shí)間: 2025-3-29 10:03
- Geometryolume cover this subject, rather than paraphrasing our paper, I thought it would be more appropriate to discuss here some investigations carried in collaboration with P. Di Francesco and J.-B. Zuber on the relation between geometry, differential operators and classical . - algebras. The latter were 作者: bonnet 時(shí)間: 2025-3-29 14:28 作者: Cholecystokinin 時(shí)間: 2025-3-29 16:42
Matrix Models of 2D Gravity and Isomonodromic Deformationandles with a weight defined by the Einstein-Hilbert action . is the cosmological constant and . is Newton’s constant, or, equivalently, the string coupling) together with the partition function of some 2D quantum field theory, .(..). The parameters .. are coordinates on a subspace of the space of 2作者: 小卷發(fā) 時(shí)間: 2025-3-29 20:27
The Strength of Nonperturbative Effects in String Theoryupling constant. This is the case in the exactly soluble matrix models. These effects are in principle much larger than the .(—./... effects typical of the low energy field theory. We argue that this behavior should be generic in string theory because string perturbation theory generically behaves l作者: 大看臺(tái) 時(shí)間: 2025-3-30 02:06
Approximating the Critical String Measure Using Dynamically Triangulated Surfaces formulation), reveals an interesting thermodynamical limit. In this limit certain singularities (i.e. critical exponents) appear, signalling a phase transition beyond which one may hope for a non-perturbative description of the theory.作者: antenna 時(shí)間: 2025-3-30 07:58
Matrix Models, String Field Theory and Topologyons of simple string models (more properly: resummation of the perturbation series around simple solutions of the classical string equations of motion). These models all have one and two dimensional target spaces, a fact directly connected to their solubility. Indeed, it is easy to show that all of 作者: 烤架 時(shí)間: 2025-3-30 09:55
The Penner Model and D = 1 String Theoryertheless. I am going to try to convince you that Penner’s matrix model can in fact he interpreted as . = 1 string theory [1] (perhaps in a topological phase). Even if I fail in convincing you of this. I hope that you will agree that the Penner model is a useful laboratory for exploring some of the 作者: 使糾纏 時(shí)間: 2025-3-30 14:27
Non-Perturbative String Theorytwo dimensional geometries by first performing the functional integral for fixed topology (genus= number of handles) and then summing over genus. However, this sum is very badly behaved. The higher terms grow as factorials of the genus, and the positivity of these terms renders the series non Borel 作者: Medley 時(shí)間: 2025-3-30 18:44 作者: 生命層 時(shí)間: 2025-3-30 23:47 作者: 手銬 時(shí)間: 2025-3-31 03:45 作者: Palpitation 時(shí)間: 2025-3-31 05:36 作者: 惡意 時(shí)間: 2025-3-31 10:22
C. Bachasods, with intelligent learning systems enhancing performance in nearly every existing application area. Beyond data mining, this article shows how models based on adaptive resonance theory (ART) may provide entirely new questions and practical solutions for technological applications. ART models car作者: Indelible 時(shí)間: 2025-3-31 14:15 作者: Accord 時(shí)間: 2025-3-31 21:15 作者: 草本植物 時(shí)間: 2025-3-31 22:26 作者: 絆住 時(shí)間: 2025-4-1 04:29
Michael R. Douglasods, with intelligent learning systems enhancing performance in nearly every existing application area. Beyond data mining, this article shows how models based on adaptive resonance theory (ART) may provide entirely new questions and practical solutions for technological applications. ART models car作者: Feckless 時(shí)間: 2025-4-1 10:02
