Abstract: This paper considers the definition of the graph Fourier transform (GFT) and of the spectral decomposition of graph signals. Current literature does not address the lack of unicity of the ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Kevin has been writing and creating personal finance and travel content for over six years. He is the founder of the award-winning blog, Family Money Adventure, and host of the Family Money Adventure ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee, and has a ...

Credit Direct offers personal loans through a proprietary underwriting process. The company matches customers with loan offers internally and also has a network of 15 to 20 other lenders. It ...

Direct Energy is an electricity and natural gas provider that services homes and businesses in select states and territories. The company offers online bill pay options and smart home bundles. Direct ...

Amanda has written in the personal finance space for several years and previously worked as a risk analyst at a local community bank. She researches economics, emerging financial trends and the future ...

Abstract: Given m copies of the same problem, does it take m times the amount of resources to solve these m problems? This is the direct sum problem, a fundamental question that has been studied in ...

For over 20 years, Sum 41 has been gracing the stages and airwaves with hit after hit. Their smash-hit album, All Killer No Filler, released in 2001, selling over 2 million copies and earning Diamond ...