(a) Show that S is path-connected, by constructing for any two points x, y € Sn an explicit path connecting them.
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Please help with questions b & c
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- (a) Show that Sn is path-connected, by constructing for any two points x, y € Sn an explicit path connecting them. (b) Show that Sn is locally path-connected. (c) Show that RP is path-connected and locally path-connected.How many shortest lattice paths start at (2,2) and end at (15,15)?[ Preview end at (15,15) and pass through (10,7)? Preview end at (15,15) and avoid (10,7)? PreviewDoes either of P = (4, 11, 20) or Q = (-1, 6, 16) lie on the path r(t) = ( 1 + t, 2 + t 2, t 4)?
- Of all lattice paths from (0, 0) to (9, 5) that only move up and to the right, how many: avoid the point (2, 3)? avoid the path between (1, 2) and (2, 2)? It could include either of those points - just not both.Find image of a and preimage of b T(v1, v2, v3) = (4v2 – v1, 4v1 + 5v2) v = (2, -3, -1) , w = (3, 9)Suppose that a > 0 is a positive integer, and n > a. How many lattice paths are there from (0, 0) to (n, n) that do not go above the line y = x + a? hint: Catalan Number
- 2. Suppose n ≥ 1 is an integer. Consider an (n + 1) x (n + 1) grid of integer points; i.e. points of the form (a, b) where 0 ≤ a,b ≤n. A Binomial Path with 2n steps is a path from the point (0, 0) to (n, n) formed by moving either 'right' (i.e. from (a, b) to (a +1, b)) or ‘up' (i.e. from (a, b) to (a, b+1)). (a) Draw all distinct Binomial Paths with 2n steps when n = = 2. (b) Write down a correspondence that relates the Binomial Paths with 2n steps to strings of length 2n consisting of exactly n 1s and n Os. More precisely, let B₁, be the set of Binomial Paths with 2n steps, and let Sn be the set of strings of length 2n consisting of exactly n 1s and n Os. Construct a bijection f: Bn Sn. (You don't have to prove that it is a bijection.)Prove (Menger) if x, y are vertices of a graph G and xy e E(G), then the minimum size of an x,y-cut equals the maximum number of pairwise internally disjoint x,y-pathsDraw the graph for the funclion Y= SRal and then find (Pp) & (Re)