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Graph coloring is computationally hard. It is NP-complete to decide if a given graph admits a k-coloring for a given k except for the cases k ∈ {0,1,2}. In particular, it is NP-hard to compute the chromatic number. [31] The 3-coloring problem remains NP-complete even on 4-regular planar graphs. [32]
Third grade (also 3rd Grade or Grade 3) is the third year of formal or compulsory education. It is the third year of primary school . Children in third grade are usually 8–9 years old.
The statue of Billy Bremner, who played for Leeds United between 1959 and 1976 and captained them to cup success in 1968 and 1972. Leeds United Football Club were founded in October 1919, taking the place in the Midland League vacated by Leeds City Reserves, and were elected to The Football League for the 1920–21 season. They won the Second Division title four years later to gain promotion ...
Liver function tests (LFTs or LFs), also referred to as a hepatic panel or liver panel, are groups of blood tests that provide information about the state of a patient's liver. [1] These tests include prothrombin time (PT/INR), activated partial thromboplastin time (aPTT), albumin , bilirubin (direct and indirect), and others.
The King's College criteria were described in a seminal publication in 1989 by J.G. O'Grady and colleagues from King's College School of Medicine. [2] 588 patients with acute liver failure who presented to King's College Hospital from 1973 to 1985 were assessed retrospectively to determine if there were particular clinical features or tests that correlated poorly with prognosis.
It is straightforward to test whether a graph may be edge colored with one or two colors, so the first nontrivial case of edge coloring is testing whether a graph has a 3-edge-coloring. As Kowalik (2009) showed, it is possible to test whether a graph has a 3-edge-coloring in time O(1.344 n), while using only polynomial space. Although this time ...
League Cup: 0–7 v Arsenal, Rd.2, Sept 4 1979 & 0–7 v West Ham United, Rd.3, 7 November 1966 League Trophy : 2–4 v Rotherham United , Area 2nd Round, 8 October 2008 Europe : 0–4 v Lierse S.K. , UEFA Cup , Rd.1, 2nd leg, 29 September 1971 & 0–4 v Barcelona , UEFA Champions League , 1st Group Stage, Matchday 1, 13 September 2000
The Model for End-Stage Liver Disease, or MELD, is a scoring system for assessing the severity of chronic liver disease.It was initially developed to predict mortality within three months of surgery in patients who had undergone a transjugular intrahepatic portosystemic shunt (TIPS) procedure, [1] and was subsequently found to be useful in determining prognosis and prioritizing for receipt of ...