where can i get readind materials on combinatorial analysis?

Answer 1

Not quite sure what you mean by "Combinatorial Analysis" - depending on the area of combinatorics you want (and the level), there are a number of sources.

I'll assume you want beginner level stuff...

For a good "all-encompassing" book, try
"A course in combinatorics" by van Lint and Wilson.

For extremal stuff, try
"Extremal Combinatorics" by Jukna

For more algorithmic stuff, try
"Combinatorics: Topics, Techniques, Algorithms" by Cameron

For enumerative stuff, try
"Generating Functionology" by Wilf

For Optimization stuff, try
"Integer and Combinatorial Optimization" by Nemhauser and Wolsey

For Graph Theory, try
"Graph Theory" by Diestel

For algebraic stuff, you are asking the wrong person :)

For more advanced topics, try the books by Stanley and Bollobas. For more advanced optimization stuff, try Papadimitriou/Stieglitz

Everyone has their favorite books, but I think these are all pretty good ones (I had all of them in a class at some point).