What results do not survive if we replace the axiom of choice by the axiom that each infinite set has a countable subset ?

Dieuodene's celebrated treatise in first volume only restricts to this axiom. In Mathematics one only needs sets derived from N. for example Euclids geomtry one can define a point as an ordered...

09 October 2018 4,980 0 View

Should citation include author name ?

current practice in citation is cite by a number like [12] and in that number we find the name of author publication etc. Academics is still greatly underestimated. i wold like to start a...

01 February 2018 9,886 0 View

Product gauges in plane should be sufficient for fubini theorem , convergence theorems ?

dr lee peng yee and rydolf vyborny book describes gauges in the plane as a rectangle containing each point. a delta fine tagged net partition may not exist . As discussed in Mcleod. we need to...

31 December 2017 2,274 0 View

Can we have ZFC without axiom of separation and replacement for Maths ?

this is axiomatic set theory . these axioms are needed for set theory and not for mathematics. so can we avoid them since the involve use of predicate and property. will experts guide in detail....

09 October 2017 519 0 View

Does henstoc -kurzweil integral banach valued and in two variables includes riemann integral & its daniell extension ?

Suppose we consider Banach sp valued mappings and integration in several variables. 1) in general one can also define refinement integral . i m also aware that it does not make difference to hk...

04 May 2016 1,839 4 View

Is it really necessary to consider measurable banach space mappings?

What is needed is only scalar measurability that is measurability of

09 October 2014 6,326 7 View

use of continued Fractions but why continued fractions are neglected? pi gets recurring continued fraction expression and root two gets a finite....

Number theory and computer science question

31 December 2011 9,534 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View

Does learning mathematics exclusively improve cognitive abilities?

Teaching Mathematics at school to all students is commonly justified by the opinion that it improves their problem-solving skills and "makes them smarter" (whichever measure is implied by this). I...

15 February 2021 7,391 7 View

Can we help fellow mathematicians get free ?

https://terrytao.wordpress.com/2021/02/08/a-statement-from-mathematics-department-faculty-at-stanford-and-mit/ Terry Tao blogged about this unfortunate event. Kindly share among Mathematical...

08 February 2021 1,055 3 View

Theoretical computer virology ? is still alive ?

HI Everyone! I am asking to know by you, expert in cybersecurity and mathematics, if Computer virology (the one of Cohen and Andler) is still an active field of research. That research made in...

08 February 2021 7,613 6 View

Is there any research Mathematical perceptions depending on type of personalities?

My dissertation thesis is Perceptions of mathematical ceonceptions depending on Myers-Briggs Type Indicator personalities. It can includes methods of solving, understanding, imaginations of math...

07 February 2021 9,880 4 View