Is the axiom that one should be able identify a fleet one element from a set would change set theory and it's consequences in Mathematics ?

one can pick up a rational from set of reals. One can pick e from transcendental numbers between 2 and 3. What about a arbitrary proper subset of set of transcendental numbers

10 November 2018 4,575 0 View

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

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

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 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

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 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

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 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

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

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

21 February 2021 5,601 3 View