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Need resources for suffix notation and kronecker delta watch

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    Currently struggling to understand this topic in my lecture notes, any resources on the topic would be helpful. I am familiar with the properties of the delta and epsilon, such as being able to split two epsilons into the difference of products of deltas and how the permutations of dummy variables on the epsilon effect the sign. I am just not confident at converting from vector form to suffix notation and vice versa. For example what is  a \times (b \times c) in suffix notation and what is \epsilon_i_j_k a_j b_i c_k ?
 
 
 

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