X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=PLAN;h=c8a1a60b3724ecbc71ea1d0a8aafd0536e192d64;hb=c5b57b993ede5af08f88c3dd033021e73ede7e3c;hp=961ace386a63b44b5d4f4950a41b0ee1e5f6bf2e;hpb=2aa9121ad54fa2fbf9980f8480b50114d9c41f6e;p=saga.git diff --git a/PLAN b/PLAN index 961ace3..c8a1a60 100644 --- a/PLAN +++ b/PLAN @@ -10,55 +10,63 @@ o Models and machines o Radix-sorting - . Bit tricks - . Ranking sets - . Bitwise B-trees - . Q-Heaps + o Bit tricks + o Q-Heaps * Advanced MST Algorithms o Minor-closed classes o Fredman-Tarjan algorithm - . ?? Chazelle ?? - . ?? Pettie ?? - . MST verification - . Randomized algorithms + o MST verification + o Linear-time verification + o A randomized algorithm + o Special cases and related problems -* Ranking combinatorial objects +* Approaching Optimality - . Ranking of permutations: history - . Linear-time algorithm - . k-permutations - . Permutations with no fixed point - . ?? other objects ?? + o Soft heaps + o Robust contractions + o Decision trees + o An optimal algorithm * Dynamic MST algorithms - . (Semi-)dynamic algorithms - . Sleator-Tarjan trees - . ET-trees - . Fully dynamic connectivity - . Semi-dynamic MST - . Fully dynamic MST + o (Semi-)dynamic algorithms + o ET-trees + o Fully dynamic connectivity + o Dynamic MST + o Almost minimum trees + +* Ranking Combinatorial Objects + + o Ranking and unranking + o Ranking of permutations + o Ranking of k-permutations + o Restricted permutations + o Hatcheck lady and other derangements TODO: -- cite Eisner's tutorial \cite{eisner:tutorial} -- \cite{pettie:onlineverify} online lower bound -- mention Steiner trees -- mention matroids -- sorted weights -- mention disconnected graphs -- Euclidean MST -- Some algorithms (most notably Fredman-Tarjan) do not need flattening -- mention in-place radix-sorting? +Applications: + +- degree-restricted cases and arborescences +- bounded expansion classes? + +Ranking: + +- the general perspective: is it only a technical trick? - ranking of permutations on general sets, relationship with integer sorting -- reference to mixed Boruvka-Jarnik +- JN: explain approx scheme +- JN: 4.5.1: neslo by preci isolovat nejaky vlstnosti restriction matrices + tak aby byl speedup? Staci napr predpokladat 4.5.2 (jako to postulovat) + co je to vlastne za matice co splnuji 4.5.2 +- JN: bounded-degree restriction graphs; would it imply general speedup? + +Typography: + +* formatting of multi-line \algin, \algout -Notation: +Global: -- \O(...) as a set? -- G has to be connected, so m=O(n) -- impedance mismatch in terminology: contraction of G along e vs. contraction of e. -- use \delta(X) notation -- unify use of n(G) vs. n +- each chapter should make clear in which model we work +- intro: \log is binary