Useful links

• The Centre for Experimental and Constructive Mathematics at SFU (more than just my former office)

• My former classmate Aven Bross compiled a number of helpful resources for budding arithmetic geometers.

• Keith Conrad's expository papers cover a wide breadth of topics in pure mathematics in excellent detail.

• The L-functions and modular forms database contains a wealth of information of interest to number theorists.

• MathOverflow is an ideal forum for research questions in mathematics, while its sister site Stack Exchange fulfils the same role for mathematics students of all levels. I find explaining concepts on here can help to consolidate the knowledge.

Professional Associations

UK

• London Mathematical Society - In 2015 I had the pleasure of attending a day's talks in honour of Augustus de Morgan.

• The Institute of Mathematics and its Applications

Canada

• The Canadian Mathematical Society

USA

• The American Mathematical Society

• Association for Women in Mathematics (all are encouraged to join, irrespective of gender identity)