When closure of a path connected set is path connected again?

In general closure of a path connected set is not path connected. For example, the graph of sin(1/x) on (0,1] . However, if we require the original set to be open, does >that make the...

09 October 2019 8,505 5 View

Why are scientists trying to merge gravity and quantum physics even though gravity is just the curvature of space-time?

unification theory, string theory

02 March 2018 4,454 32 View

Can we define based covering rough graphs?

Rough graphs can be defined.By analogy can we define based covering rough graphs?

01 February 2018 6,092 0 View

Can we define Cayley graphs for rough or based covering rough or super rough groups?

Based covering rough seds, Cayley graphs

01 February 2018 2,446 1 View

What is the regular magic square matrix?

for exmple 16 3 2 13 5 10 11 18 9 6 7 12 4 15 14 1 is a magic square madrix 4x4 widh endries 1, 2,3,.... 16.

10 November 2017 7,298 8 View

Is anybody interested to topology of max plus algebras?

10 November 2016 5,932 1 View

What is the relation between nano topology and rough sets?

09 October 2016 4,800 5 View

How is the generalized inverse of block product of matrices in max plus algebra?

Max plus algebra; generalized inverse; block product of matrices

06 July 2016 6,746 1 View

How are Toeplitz systems in tropical algebras?

Tropical algebras, Toeplitz systems

03 April 2016 8,405 6 View

How is the idea of tropical geometry and varieties with max-plus algebra?

Tropical geomtry, tropical varieties, max-plus algebras

02 March 2016 237 4 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Your thoughts on the spherical densiometer to estimate relative species canopy cover?

Hi biologists and biogeomorphologists, I want to characterize vegetation plots on a transect that follows a successionnal gradient from a river bed to a mature forest. Ecologically, I am...

26 February 2021 5,720 2 View

What kind of institutional environment do entrepreneurs need to achieve happiness?

Entrepreneurs are stressful, and happiness is a scarce resource. Happiness is crucial to business development.In addition to the work characteristics, individual characteristics have an effect on...

25 February 2021 876 2 View

Any interests in participating to an experiment in space?

Hello, The UN Office of Outer Space Affairs has a program called access to space for all that enables institutions to have hands on expertise related to access to space. There are three elements...

22 February 2021 7,980 3 View

How much costs direct reduction of nitrogen on farmland in terms of lower crop yield?

Dear research fellows, I wonder if someone knows how much direct reduction of nitrogen on farmland costs in terms of lower crop yield expressed as EUR/kg nitrogen (or similar)? I understand that...

15 February 2021 1,323 3 View

It is easier to knockdown a gene than overexpress a gene when generate a stable cell line?

I am just so confused that some people tell me knockdown is easier than overexpression when generating a stable cell line. I think it depends on the gene. Cells won't be happy whether we try to...

15 February 2021 1,370 2 View

For acid treated montmorillonite clays what will be the result of surface area?

The organo montmorillonite nanoclays modified with octadecylamine were used for the experiment. After acid treatment, the surface area will be increase. However, in my experiment, the surface area...

10 February 2021 1,581 3 View

Which is the appropriate statistic test to examine the relation between students' affective state and academic performance?

Which test should I use to compare students' mood effects on academic performance? I want to compare mood measured on a likert scale (from point 1= very sad to point= 5 very happy) to three...

04 February 2021 1,907 5 View

Hello friends, happy evening !! I am just wondering if you would know where I can find the (ALTS) altruism scale by S.N.Rai and S Singh to download ?

ALTS is an altruism scale developed by S.N Rai and S.Singh.

02 February 2021 7,243 2 View

No title

Connecting With the New Digital Customer Immersive technologies

02 February 2021 614 9 View