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La letrada de los socialistas señala que la exalcaldesa de Valencia "estaba en la Gurtel", algo falso, y la magistrada Teresa Palacios le recrimina su actitud: "Ese comentario sobra de una persona que está fallecida"

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​ ​ T C H A R T I N G_T H E_N E X T_S T E P_F O R W A R D IMPERIAL CONFEDERATION CHOLGANNA , OUTER RIM TERRITORIES ​ When Sularen helped form the Imperial Confederation, he dreamt... Read more

**Authors:** Pin-Hsian Lee, Te-Cheng Liu, Meng-Tsung Tsai We give a short, self-contained, and easily verifiable proof that determining the outerthickness of a general graph is NP-hard. This resolves a long-standing open problem on the computational complexity of outerthickness. Moreover, our hardness result applies to a more general covering problem $P_F$, defined as follows. Fix a proper graph class $F$ whose membership is decidable. Given an undirected simple graph $G$ and an integer $k$, the task is to cover the edge set $E(G)$ by at most $k$ subsets $E_1,\ldots,E_k$ such that each subgraph $(V(G),E_i)$ belongs to $F$. Note that if $F$ is monotone (in particular, when $F$ is the class of all outerplanar graphs), any such cover can be converted into an edge partition by deleting overlaps; hence, in this case, covering and partitioning are equivalent. Our result shows that for every proper graph class $F$ whose membership is decidable and that satisfies all of the following conditions: (a) $F$ is closed under topological minors, (b) $F$ is closed under $1$-sums, and (c) $F$ contains a cycle of length $3$, the problem $P_F$ is NP-hard for every fixed integer $k\ge 3$. In particular: For $F$ equal to the class of all outerplanar graphs, our result settles the long-standing open problem on the complexity of determining outerthickness. For $F$ equal to the class of all planar graphs, our result complements Mansfield's NP-hardness result for the thickness, which applies only to the case $k=2$. It is also worth noting that each of the three conditions above is necessary. If $F$ is the class of all eulerian graphs, then cond. (a) fails. If $F$ is the class of all pseudoforests, then cond. (b) fails. If $F$ is the class of all forests, then cond. (c) fails. For each of these three classes $F$, the problem $P_F$ is solvable in polynomial time for every fixed integer $k\ge 3$, showing that none of the three conditions can be dropped.

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Green Bay East football coach Niko Sila, who is currently on administrative leave, is expected to provide an update about his future -- including whether he'll resign or choose to face termination.

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