Inverse Function Integral Theorem
A theorem I wrote describing how improper integrals of some functions can be expressed as proper integrals of inverses of these functions, with constraints to the integrand function.
Ivan V. Morozov
Bilangan Imajiner : Sejarah dan Filosofinya
Sejarah matematika tidak bisa dilepaskan dari penemuan dan pengembangan bilangan imajiner. Saat ini bilangan imajiner masih digunakan secara luas dalam berbagai bidang, baik untuk keperluan teoritis maupun praktis. Tetapi sedikit orang yang mengetahui kisah dibalik pengembangan bilangan ini yang telah dipenuhi dengan petualangan dan teka-teki. Juga tidak banyak orang yang mengetahui persentuhan penting bilangan imajiner (atau bilangan kompleks) dengan Landasan Matematika, yang memiliki kaitan penting dengan teori filsafat, ilmu logika dan uraian latar belakang sejarahnya.
Hilman Permana Alisabana
Seminario_trans_fourier
Based on a guest lecture at Instituto Superior Técnico (University of Lisbon), I use calculus and abstract algebra to derive the Fourier Tranform using the Fourier Series.
Sara Martins Bonito
On Proving Leonhard Euler's Evaluation of the Riemann Zeta Function of 2
A proof of the value for Riemann's zeta function of two using integration of a summation, and product and series expansions of the sine function.
Ivan V. Morozov
Duvida Float
Sobre a fórmula do laplaciano
Luiz Votto
Group Isomorphism
Group Isomorphisms
Srishti Patel
On the Identity of the Coefficient of Static Friction Between an Object and an Inclined Surface
A derivation for finding the coefficient of static friction between an object and an inclined surface the object rests on using the minimum angle of the inclined plane at which the object starts to accelerate.
Ivan V. Morozov
Uma tentativa de prova do último Teorema de Fermat
An attempt to proof Fermat's last teorem (in Portuguese only for now)
Rafael Monico
Mathematical Rings
Mathematical Rings
YOGESH MALIK