'Topological order' diaporamas de présentation

Real space RG and the emergence of topological order

Real space RG and the emergence of topological order. Michael Levin Harvard University Cody Nave MIT. Basic issue. Consider quantum spin system in topological phase:. Topological order. Fractional statistics Ground state deg. Lattice scale. Long distances.

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Talk online at pantheon.yale/~subir

Understanding correlated electron systems by a classification of Mott insulators. Eugene Demler (Harvard) Kwon Park (Maryland) Anatoli Polkovnikov Subir Sachdev T. Senthil (MIT) Matthias Vojta (Karlsruhe) Ying Zhang (Maryland). Talk online at http://pantheon.yale.edu/~subir.

482 views • 38 slides

Topological Sorting

Topological Sorting. By Ralph McDougall IOI Camp 2 (4/5 February 2017). Definition.

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Kazuki Hasebe

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Practical Concurrency Support for Web Service Transactions

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Topological Sort

Topological Sort. Directed Acyclic Graph (dag): a directed graph which contains no directed cycles. A topological order for a dag G: a sequential listing of all the vertices of G such that if (u,v) ? E(G) then u precedes v in the listing. Topological Sort:

1.12k views • 27 slides

The Graph Minor Theorem

The Graph Minor Theorem. CS594 Graph theory presentation Spring 2014 Ron Hagan. Introduction. Neil Robertson, Paul Seymour published a series of papers in the Journal of Combinatorial Theory Series B.

468 views • 26 slides

Connections between Network Coding and Matroid Theory

Connections between Network Coding and Matroid Theory . Qifu Sun Institute of Network Coding (Shenzhen), CUHK . 30, Aug., 2013. Code. Network (Graph). Connections between Network Coding and Matroid Theory . Network (Graph). Connections between Network Coding and Matroid Theory .

681 views • 26 slides

Graph Theory, DFS & BFS

Graph Theory, DFS & BFS . Kelly Choi 08-07-2006. vertex. edge. What is a graph?. A set of vertices and edges Directed/Undirected Weighted/Unweighted Cyclic/Acyclic. Representation of Graphs. Adjacency Matrix

1.24k views • 24 slides

Topological Sort: DFS

Topological Sort: DFS. C. G. A. B. D. E. F. H. Topological Sort: DFS. C. dfs(A). G. A. B. D. E. F. H. Topological Sort: DFS. C. dfs(A) dfs(D). G. A. B. D. E. F. H. Topological Sort: DFS. C. dfs(A) dfs(D) dfs(E). G. A. B. D. E. F. H.

499 views • 24 slides

??"? Cryptography Project

??"? Cryptography Project. Safe, secret based computation system. Authors: Nir Amar, Etai Hazan and Yarden Eitan. System Design & implementation first design. System Design & implementation final design. Graph Representation . Each arithmetic gate is a node in the graph

292 views • 20 slides

??"? Cryptography Project

??"? Cryptography Project. Safe, secret based computation system. Authors: Nir Amar, Etai Hazan and Yarden Eitan. System Design & implementation first design. System Design & implementation final design. Graph Representation . Each arithmetic gate is a node in the graph

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Lecture 7 March 1, 11

Lecture 7 March 1, 11. discuss HW 2, Problem 3 strong connectivity algorithm using BFS topological sorting and its applications Chapter 4 (start). Flood Fill.

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Longest Path in a DAG

Longest Path in a DAG. Algorithm. Compute topological order of vertices: A B C D E F G H I . F. D. 3. 6. E. time. 5. C. H. I. A. B. G. 0. 6. 0. 4. 2. 4. Longest Path in a DAG. Algorithm. Compute topological order of vertices: A B C D E F G H I .

802 views • 12 slides

15.082 and 6.855J

15.082 and 6.855J. Topological Ordering. Preliminary to Topological Sorting. LEMMA. If each node has at least one arc going out, then the first inadmissible arc of a depth first search determines a directed cycle.

218 views • 11 slides

Chapter 9: Graphs

Mark Allen Weiss: Data Structures and Algorithm Analysis in Java. Chapter 9: Graphs. Scheduling Networks. Lydia Sinapova, Simpson College. Scheduling Networks. Definitions Purpose of the Model Algorithm Critical Activities Complexity Example. Definitions.

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Topological Ordering Algorithm: Example

Topological Ordering Algorithm: Example. v 2. v 3. v 6. v 5. v 4. v 7. v 1. v 1. Topological order:. Topological Ordering Algorithm: Example. v 2. v 2. v 3. v 6. v 5. v 4. v 7. Topological order: v 1. Topological Ordering Algorithm: Example. v 3. v 3. v 6. v 5. v 4.

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3.6 DAGs and Topological Ordering

3.6 DAGs and Topological Ordering. Directed Acyclic Graphs. Def. An DAG is a directed graph that contains no directed cycles. Ex. Precedence constraints: edge (v i , v j ) means v i must precede v j .

261 views • 8 slides

Review for Final Exam

Review for Final Exam. Non-cumulative, covers material since exam 2 Data structures covered: Treaps Skip lists Hash tables Disjoint sets Graphs For each of these data structures Basic idea of data structure and operations Be able to work out small example problems Prove related theorems

230 views • 7 slides

Review for Final Exam

Review for Final Exam. Non-cumulative, covers material since exam 2 Data structures covered: Treaps Skip lists Hash tables Disjoint sets Graphs For each of these data structures Basic idea of data structure and operations Be able to work out small example problems Prove related theorems

139 views • 7 slides