Preface to Special Section : 60 Years of Mathematics and Logic(<Special Section>60 Years of Mathematics and Logic)

the innovation of a statistical model to estimate dependable rainfall (dr) and develop it for determination and classification of drought and wet years of iran

آب حاصل از بارش منبع تأمین نیازهای بی شمار جانداران به ویژه انسان است و هرگونه کاهش در کم و کیف آن مستقیماً حیات موجودات زنده را تحت تأثیر منفی قرار می دهد. نوسان سال به سال بارش از ویژگی های اساسی و بسیار مهم بارش های سالانه ایران محسوب می شود که آثار زیان بار آن در تمام عرصه های اقتصادی، اجتماعی و حتی سیاسی- امنیتی به نحوی منعکس می شود. چون میزان آب ناشی از بارش یکی از مولفه های اصلی برنامه ...

Preface to Special Issue on Mathematics of Social Systems

This special issue is an outgrowth of a minisyposium titled “Mathematics of Social Systems” held at the 9th AIMS Conference on Dynamical Systems, Di↵erential Equations and Applications, held in Orlando, FL in July 2012. Presenters from that session were invited to submit papers that were reviewed using the usual procedures of the DCDS journals, along with additional authors from the field. Math...

Mathematics Anxiety: What Have We Learned in 60 Years?

The construct of mathematics anxiety has been an important topic of study at least since the concept of "number anxiety" was introduced by Dreger and Aiken (1957), and has received increasing attention in recent years. This paper focuses on what research has revealed about mathematics anxiety in the last 60 years, and what still remains to be learned. We discuss what mathematics anxiety is; how...

Fifty Years of American Mathematics.

The National Academy of Sciences: Abstracts of Papers Presented at the Chapel Hill Meeting .................................... 475 Special Articles: The Secretion of Iodine by Thyroid Glands Cultivated in the Lindbergh Pump: DR. LILLIAN E. BAKER. Photographic Nature of Tanning of the Human Skin as Shown by Studies of Male Hormone Therapy: DR. JAMES B. HAMILTON and DR. GILBERT HUBERT. Action of...

Preface to "The Mathematics of Concrete"