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Closing the barn door after the horses left : What should be taught in approximation algorithms courses? Guy Kortsarz, Rutgers Camden PowerPoint PPT Presentation
Closing the barn door after the horses left : What should be taught in approximation algorithms courses? Guy Kortsarz, Rutgers Camden - Title: Closing the barn door after the horses left : What should be taught in approximation algorithms courses? Guy Kortsarz, Rutgers Camden Author
Title: Closing the barn door after the horses left : What should be taught in approximation algorithms courses? Guy Kortsarz, Rutgers Camden Author
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RARE APPROXIMATION RATIOS PowerPoint PPT Presentation
RARE APPROXIMATION RATIOS - RARE APPROXIMATION RATIOS Guy Kortsarz Rutgers University Camden Approximation Ratios NP-Hard problems Coping with the difficulty: approximation Minimization or ...
RARE APPROXIMATION RATIOS Guy Kortsarz Rutgers University Camden Approximation Ratios NP-Hard problems Coping with the difficulty: approximation Minimization or ...
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Approximation Algorithms for NonUniform BuyatBulk Network Design Problems PowerPoint PPT Presentation
Approximation Algorithms for NonUniform BuyatBulk Network Design Problems - Approximation Algorithms for Non-Uniform Buy-at-Bulk Network Design Problems. Guy Kortsarz ... The algorithm iteratively finds a partial solution connecting ...
Approximation Algorithms for Non-Uniform Buy-at-Bulk Network Design Problems. Guy Kortsarz ... The algorithm iteratively finds a partial solution connecting ...
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Comparing Min-Cost and Min-Power Connectivity Problems PowerPoint PPT Presentation
Comparing Min-Cost and Min-Power Connectivity Problems - Comparing Min-Cost and Min-Power Connectivity Problems. Guy Kortsarz ... Comparing Power And Cost Spanning Tree Case. The case k = 1 is the ... Comparing the ...
Comparing Min-Cost and Min-Power Connectivity Problems. Guy Kortsarz ... Comparing Power And Cost Spanning Tree Case. The case k = 1 is the ... Comparing the ...
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Polylogarithmic Inapproximability of Radio Broadcast PowerPoint PPT Presentation
Polylogarithmic Inapproximability of Radio Broadcast - Radio Broadcast. Undirected graph, v V wants to broadcast ... The radio broadcast problem. Given: a graph G,v. Find: a minimum number of rounds schedule. ...
Radio Broadcast. Undirected graph, v V wants to broadcast ... The radio broadcast problem. Given: a graph G,v. Find: a minimum number of rounds schedule. ...
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RARE APPROXIMATION RATIOS PowerPoint PPT Presentation
RARE APPROXIMATION RATIOS - Coping with the difficulty: approximation. Minimization or maximization. ... The integral H2 log k (k is # groups) (log k)2 gap ...
Coping with the difficulty: approximation. Minimization or maximization. ... The integral H2 log k (k is # groups) (log k)2 gap ...
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Network Design and Bidimensionality PowerPoint PPT Presentation
Network Design and Bidimensionality - Mohammad T. Hajiaghayi University of Maryland * * * * * Outline Buy-at-bulk Network Design Prize-collecting Network Design Bidimensionality Theory Steiner Trees ...
Mohammad T. Hajiaghayi University of Maryland * * * * * Outline Buy-at-bulk Network Design Prize-collecting Network Design Bidimensionality Theory Steiner Trees ...
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Network Design with Degree Constraints PowerPoint PPT Presentation
Network Design with Degree Constraints - Network Design with Degree Constraints ... spanning at least k vertices Prize-collecting Steiner network design ... tree spanning at least k ...
Network Design with Degree Constraints ... spanning at least k vertices Prize-collecting Steiner network design ... tree spanning at least k ...
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Approximating the Domatic Number PowerPoint PPT Presentation
Approximating the Domatic Number - ... of Computing, pages 134-143, 2000. Domatic Partition and Domatic Number ... coloring, Av,c is a Boolean that is true if there is no vertex of color c in N (v) ...
... of Computing, pages 134-143, 2000. Domatic Partition and Domatic Number ... coloring, Av,c is a Boolean that is true if there is no vertex of color c in N (v) ...
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????????? ???? ?????? Densest k-Subgraph PowerPoint PPT Presentation
????????? ???? ?????? Densest k-Subgraph - OF ELECTRICAL ENGINEERING-SYSTEMS. ??????? ?????? ?'? ???? ????? ??????? ... ????? ?? ????? ???????? ????? (heap): ????? ?????? O(n log(n) ...
OF ELECTRICAL ENGINEERING-SYSTEMS. ??????? ?????? ?'? ???? ????? ??????? ... ????? ?? ????? ???????? ????? (heap): ????? ?????? O(n log(n) ...
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Matroid Secretary for Regular and Decomposable Matroids PowerPoint PPT Presentation
Matroid Secretary for Regular and Decomposable Matroids - Classical Secretary. Goal: algorithm which gets (in expectation) value at least (1) of OPT. c-competitive: OPT / E[ALG] c. Impossible if values and ordering ...
Classical Secretary. Goal: algorithm which gets (in expectation) value at least (1) of OPT. c-competitive: OPT / E[ALG] c. Impossible if values and ordering ...
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Approximation Algorithms for Non-Uniform Buy-at-Bulk Network Design Problems PowerPoint PPT Presentation
Approximation Algorithms for Non-Uniform Buy-at-Bulk Network Design Problems - any edge e of T is in at most O(log h) of the subtrees ... ys=yt for each pair (s,t), and then find a subset of nodes to solve the SS-BB ...
any edge e of T is in at most O(log h) of the subtrees ... ys=yt for each pair (s,t), and then find a subset of nodes to solve the SS-BB ...
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Approximating Maximum Subgraphs Without Short Cycles PowerPoint PPT Presentation
Approximating Maximum Subgraphs Without Short Cycles - Remove all odd cycles in G by randomly partitioning G and removing edges on each ... Now G is bipartite, need to remove even cycles of size g. ...
Remove all odd cycles in G by randomly partitioning G and removing edges on each ... Now G is bipartite, need to remove even cycles of size g. ...
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Whom to marry, how to cook and where to buy gas: solving dilemmas of daily life, one algorithm at a time  SAMIR KHULLER Dept. of Computer Science University of Maryland PowerPoint PPT Presentation
Whom to marry, how to cook and where to buy gas: solving dilemmas of daily life, one algorithm at a time SAMIR KHULLER Dept. of Computer Science University of Maryland - Whom to marry, how to cook and where to buy gas: solving dilemmas of daily life, ... Whom to Marry? How to Cook? Where to buy gas? A few favorite projects of mine. ...
Whom to marry, how to cook and where to buy gas: solving dilemmas of daily life, ... Whom to Marry? How to Cook? Where to buy gas? A few favorite projects of mine. ...
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Algorithms for Wireless Network Design PowerPoint PPT Presentation
Algorithms for Wireless Network Design - Real-world applications with deep algorithmic underpinnings and consequences ... Find a bipartite sub-graph G'(A' UB', E') where |A'|=a, |B'|=b and E' is an empty set. ...
Real-world applications with deep algorithmic underpinnings and consequences ... Find a bipartite sub-graph G'(A' UB', E') where |A'|=a, |B'|=b and E' is an empty set. ...
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Approximation Algorithms PowerPoint PPT Presentation
Approximation Algorithms - ... algorithms must be polynomial. 2. Formally - minimization. Let A be an approximation algorithm. ... Greedy algorithm. Choose the first center arbitrarily ...
... algorithms must be polynomial. 2. Formally - minimization. Let A be an approximation algorithm. ... Greedy algorithm. Choose the first center arbitrarily ...
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Talks%20on%20parts%20of%204%20papers. PowerPoint PPT Presentation
Talks%20on%20parts%20of%204%20papers. - W[1]-Hard problem. n ratio approximation. This problem is clearly finding a Directed Steiner tree and a reverse directed Steiner tree. The Directed Steiner Tree ...
W[1]-Hard problem. n ratio approximation. This problem is clearly finding a Directed Steiner tree and a reverse directed Steiner tree. The Directed Steiner Tree ...
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Robust Network Design with Exponential Scenarios PowerPoint PPT Presentation
Robust Network Design with Exponential Scenarios - Constant-factor approximation algorithm for Min-cut (Is it NP-Hard? ... 2-stage robust min-cut is APX-hard. ... Robust Multiway-Cut, Robust Steiner Forest, ...
Constant-factor approximation algorithm for Min-cut (Is it NP-Hard? ... 2-stage robust min-cut is APX-hard. ... Robust Multiway-Cut, Robust Steiner Forest, ...
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TransitiveClosure Spanners PowerPoint PPT Presentation
TransitiveClosure Spanners - Transitive-Closure Spanners. Arnab Bhattacharyya. MIT. Joint work with Elena Grigorescu MIT ... A subgraph H of a graph G is a k-spanner. if for all pairs of ...
Transitive-Closure Spanners. Arnab Bhattacharyya. MIT. Joint work with Elena Grigorescu MIT ... A subgraph H of a graph G is a k-spanner. if for all pairs of ...
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Increasing graph connectivity from 1 to 2 PowerPoint PPT Presentation
Increasing graph connectivity from 1 to 2 - Every vertex in B touched by OPT gets degopt(v)/2 coupons ... Every unmatched leaf (vertex in U) does have a coupon needed to 'pay' for the up link ...
Every vertex in B touched by OPT gets degopt(v)/2 coupons ... Every unmatched leaf (vertex in U) does have a coupon needed to 'pay' for the up link ...
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Approximating BuyatBulk and ShallowLight kSteiner Trees PowerPoint PPT Presentation
Approximating BuyatBulk and ShallowLight kSteiner Trees - If all si's (sources) are equal we have the single-source case (SS-BB) ... Instances are similar to BB k-Steiner tree: an undirected graph G(V,E), terminals T V, ...
If all si's (sources) are equal we have the single-source case (SS-BB) ... Instances are similar to BB k-Steiner tree: an undirected graph G(V,E), terminals T V, ...
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Approximation Algorithms for Non-Uniform Buy-at-Bulk Network Design Problems PowerPoint PPT Presentation
Approximation Algorithms for Non-Uniform Buy-at-Bulk Network Design Problems - ... buy-at-bulk (MC-BB) ... Note that MC-BB is NP-hard. We study approximation ... This is very similar to SS-BB except that we have to find a lowest density ...
... buy-at-bulk (MC-BB) ... Note that MC-BB is NP-hard. We study approximation ... This is very similar to SS-BB except that we have to find a lowest density ...
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Scheduling Conflicting Jobs: Problems and Techniques PowerPoint PPT Presentation
Scheduling Conflicting Jobs: Problems and Techniques - Relation of single units jobs to graph coloring ... A proper coloring of G is a function ?: V 2N, such that adjacent vertices are ...
Relation of single units jobs to graph coloring ... A proper coloring of G is a function ?: V 2N, such that adjacent vertices are ...
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On Approximating Four CoveringPacking Problems PowerPoint PPT Presentation
On Approximating Four CoveringPacking Problems - 2 Brown-headed cowbird (Molothrus ater) eggs in a Blue-winged Warbler's nest. Mary Ashley studies the mating system of the Lemon sharks, Negaprion brevirostris ...
2 Brown-headed cowbird (Molothrus ater) eggs in a Blue-winged Warbler's nest. Mary Ashley studies the mating system of the Lemon sharks, Negaprion brevirostris ...
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Approximating complete partitions PowerPoint PPT Presentation
Approximating complete partitions - A disjoint partition of the vertices. of a graph is complete if ... properties an dnotions: Harmonious coloring, Graph contraction to clique, r reductions...
A disjoint partition of the vertices. of a graph is complete if ... properties an dnotions: Harmonious coloring, Graph contraction to clique, r reductions...
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