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We give a new proof of the fundamental theorem of algebra. It is entirely elementary, focused on using long division to its fullest extent. Further, the method quickly recovers a more general version of the theorem recently obtained by…

Commutative Algebra · Mathematics 2025-02-20 Katelyn S. Clark , Pace P. Nielsen

A generalization of the law of total covariance is presented and proved.

Probability · Mathematics 2022-05-31 Charles W. Champ , Andrew V. Sills

We generalize Romanoff's theorem. Also, we obtain a result on sums related to Euler's totient function.

Number Theory · Mathematics 2024-03-05 Artyom Radomskii

We give a proof for the fundamental theorem of algebra,using the Fredholm index phenomena

Functional Analysis · Mathematics 2008-02-12 Ali Taghavi

We prove an infinitary version of the Brauer-Schur theorem.

Combinatorics · Mathematics 2023-07-28 Shahram Mohsenipour

We generalize [3, Lemma 2.2] and [4, Proposition 2.3] and deduce a positive result on Hilbert's fourteenth problem. Further, we give a relatively transparent and elementary proof of [3, Theorem 1.1].

Commutative Algebra · Mathematics 2007-05-23 Pramod K. Sharma

In this note, we present a simple directed graph proof of Sharkovsky's theorem.

Dynamical Systems · Mathematics 2007-05-23 Bau-Sen Du

Most of the assertions in the theory of well ordered sets are quite simple. However, one of its central statements, Zermelo's theorem, stands out of this rule, for its well-known proofs are rather complicated. The aim of the current paper…

General Topology · Mathematics 2011-12-02 V. V. Filippov , E. Yu. Mychka

This article provides a simple proof of the quadratic formula, which also produces an efficient and natural method for solving general quadratic equations. The derivation is computationally light and conceptually natural, and has the…

History and Overview · Mathematics 2019-12-17 Po-Shen Loh

We present a self-contained combinatorial approach to Fujita's conjectures in the toric case. Our main new result is a generalization of Fujita's very ampleness conjecture for toric varieties with arbitrary singularities. In an appendix, we…

Algebraic Geometry · Mathematics 2007-06-23 Sam Payne

We present an elementary proof of Fermat's Last Theorem. No ancillary results are used, not even the most basic ones. The proof directly leads to a contradiction of the Fermat equation in the set of integers.

General Mathematics · Mathematics 2020-07-22 Miguel Antonio Marano Calzolari

A theorem due to Ohkawa states that the collection of Bousfield equivalence classes of spectra is a set. We extend this result to arbitrary combinatorial model categories.

Algebraic Topology · Mathematics 2014-05-28 Carles Casacuberta , Javier J. Gutiérrez , Jirí Rosický

We prove a generalization of one of Lie's Theorems in the context of Lie-like algebras$^{2-nd}$.

Rings and Algebras · Mathematics 2008-02-28 Keqin Liu

We show that Fueter's theorem holds for a more general class of quaternionic functions than those constructed by the Fueter's method.

Analysis of PDEs · Mathematics 2007-05-23 Daniel Alayon-Solarz

In this paper, we give a more physical proof of Liouville's theorem for a class generalized harmonic functions by the method of parabolic equation.

Analysis of PDEs · Mathematics 2021-07-13 Weihua Wang , Qihua Ruan

In this paper, we propose a generalization of a congruence due to Carlitz.

Number Theory · Mathematics 2007-05-23 Hao Pan

We give a proof of Iitaka's Conjecture C_{2,1} using only elementary methods from algebraic geometry. The main point is that, given a non-isotrivial and relatively minimal family f : X \to B, where X is a surface and B is a curve, both…

Algebraic Geometry · Mathematics 2007-05-23 Markus Wessler

The recently developed proof of Fermat's Last Theorem is very lengthy and difficult, so much so as to be beyond all but a small body of specialists. While certainly of value in the developments that resulted, that proof could not be, nor…

General Mathematics · Mathematics 2007-05-23 Roger Ellman

It is discussed that Zeeman's theorem can be directly obtained from Liouville's theorem if we assume sufficient differentiability.

Mathematical Physics · Physics 2013-11-12 Do-Hyung Kim

In this paper we review a general proof for the irrationality property of numbers which take a certain form of infinite sums.

Number Theory · Mathematics 2016-12-06 Tomer Shushi